Archives: Reviews

“Josh and Chelcee were on time, pleasant and professional. Very informative. We talked about Water Tank and Humidifier, as well as, my furnace. A lot of good information. Would highly recommend.”

– Antoinette C.

“Mitch my tech. did a wonderful job. I think he went a little extra because I can definitely feel the difference right away.That was 4/4/24 a routine service call. Thank you again Mitch !!! I'd also like to thank Jay R. & his co-tech. sorry not good with names. They installed my new Air Conditioning system.4/9/24 They were very professional, direct, friendly, and knew what they were doing. So Thank you Harriman Heating and Air Conditioning Inc.”

– Clarissa M.

“John Gnass was timely and very knowledgeable about what he was doing. He was very helpful and friendly!”

– Melissa C.

“Our furnace was serviced today by John G. Great technician, very courteous and professional. He took the time to do a thorough job, answered any questions we had, and even gave us some tips. He wore shoe covers too which I appreciated. Thank you for an excellent service!”

– Christina D.

“Highly recommend Harriman! Ron took the time to explain the repairs. The employees kept in touch with me, updating me on what they were doing. Fair price on repair. Overall experience was awesome. Great company and employees. Good, honest people.”

– Patricia H.

“Was surprised and pleased with how quickly the Harriman team got someone out to my house to repair an older air conditioner on the hottest day of the year! I called at around 3:45 pm and they said that they would have a service person out the next morning. At 8:47 am this morning I received a call saying a service person was on his way. Chance was my tech and I have to say he not only did a fantastic job getting my air up and running, but spent time explaining to me what he was doing and answering my many questions. By a little after 9 am the air was working and the team of Harriman with Chance had a super happy customer. Thank you!!!”

– Tim S.

“Thanks so much to the entire team that helped with replacing my water heater. Found standing water in the basement on Monday morning and Mitch was able to be there in the afternoon to diagnose the issue and stop future leaking by draining the tank. Above and beyond to find a way to get the tank draining for me. The next day John G. & Lavian M. were able to replace the hot water heater. The first one had a dent and they called to find a comparable replacement and get it in that same afternoon. So happy to have a dry basement and hot water again. Everyone was very professional and had excellent customer service.”

– Andrea B.

“Mitch was very professional and took care of the problem with helpful suggestions to avoid this in the future. I will be scheduling an annual checkup for my furnace/AC system moving forward. Thanks Mitch!”

– Phil T.

“No A/C on a 90-degree day. You found a way to get me serviced on short notice. Thank you! Tech was on time, quickly diagnosed the issues, had the necessary parts in his truck and the job was complete. Love it when a plan comes together!”

– Tom T.

“He did a great job and paid close attention to detail. My AC was humming when he arrived and uniform-sounding when he left. I believe this is because he tightened things that may have been loose. He also noticed that a sleeve was bad so we replaced that also. Feel good about the work he did.”

– Michael B.

“Josh and Jon were just here to do annual AC Maintenance. They were timely and professional and clearly explained everything. They tested the entire system and carefully cleaned the coils, which were quite messy due to a nearby cottonwood tree.”

– Larry B.

“Jay and Mike were wonderful. They came to my house in a snowstorm. They worked in the basement that had flooded and the workers from the sewer cleaning company were here at the same time. They said that it was no problem. They were very hard working. Watching them go up and down the stairs was exhausting. They were both amenable and respectful. I would recommend your company and these workers to anyone.”

– Marcia t.

“Josh and Jon were a great team. They were polite, friendly and professional. Josh was very good at explaining things to Jon and me.
The part that needed fixing plus the age of the furnace (1990) were discussed. Josh explained the choices for a new furnace to me. I decided that replacement was what I wanted. Both men were engaging and made me feel safe and respected.”

– Marcia T.

“Josh was fast, courteous and professional. He had no problem explaining the issue in detail and providing a solution that got our heat back on in the middle of winter. A+ all around!”

– Tony D.

“We have the Gold Maintenace with Harriman. Adam was out to clean and check our furnace. He was very professional and went over everything about our furnace. I highly recommend Harriman Heating & Air Conditioning.”

– Jody R.

“Robert Troy came to my rescue and turned the heat up (from 120 degrees to 140 degrees) on my newly installed hot water tank. I am now a happy camper. Robert was on time, very personable, and worked efficiently. Thank you, Robert!”

– Judith V.

“Chance and Avery came to do a yearly maintenance visit on my furnace, and they showed me some potentially dangerous metal wear in my heat exchange. After doing further testing, the carbon monoxide levels near the furnace were above the safe limit indicating a leak, which can be life-threatening. My furnace was already well past its life expectancy, so I decided to get the process going for a new furnace. Chance called his supervisor, Jon H., who came over the same day. Jon walked me through everything that was needed for a new system, got me set up for financing, and set up installation of a temporary replacement furnace until my new unit was ready so I would have heat without the risk of carbon monoxide poisoning. The temp unit was installed just over an hour later. This all happened on a Friday afternoon in the snow, and it was awesome that all of this got done so quickly to make sure I was safe and warm! I have been using Harriman for years, and I have always been really happy with how great the technicians are, both for their friendly attitude, and their great service. I was happy to buy my new equipment through them! I even decided to replace my AC at the same time, since I knew that unit was on it's last legs. So, here is a big THANK YOU to Jon, Chance, and Avery, for all of their help, along with Jesse and Jeff for coming over late on Friday to install my temp unit. You guys are fantastic!!”

– Sandra Z.

“Jon came out to go over with us purchasing a new furnace. we had some problem with the old one. Jon was very thorough on all details. What would work for us. He was very good on details that we requested and answered them. If we did not understand would take the time explaining till we got it. Was very patient since my husband is very hard of hearing. That made a big difference through the appointment. Great Job Jon.”


“Rob Came out twice to us, Both times extremely kind. Unfortunately our motherboard had to be replaced but we were given a more than fair quote. After this was replaced things still were a little iffy with our system and Rob came back out free of charge and got our furnace working better than it has since we bought the home.”

– Edward S.

“Josh and Avery completed the furnace check up following the 22 point inspection process. They were thorough, courteous and careful as they moved into the house.”

– Thomas B.

“Chance was so professional and went into detail regarding my furnace. I have used Harriman on several visits and have had nothing but great service.

Because my furnace is 45 years old, it was time to get a quote to replace it. Jon was so detailed and patient on presenting a quote for replacing the furnace and AC.

Keep up the great work!”

– Linda F.

“Both Chance and Jon Harriman were professional and took the time to explain what needed to be done as my furnace is pretty much at its life end and it will be replaced including a heat pump. They answered all my questions and made certain that I fully understood what needed to be done. Never any pressure from both. Additionally, Jon spent sometime taking measurements for new Trane model as the furnace is in a tight spot. Overall, very pleased with the start of the process. Highly recommend.”

– Douglas M.

“Robert was pleasant as well as efficient. He was able to fix our leak with a short time and he checked out the furnace to be sure that all the joints were working correctly and that there were no further leaks. Great service!!!!”


“Both Mitch and John were excellent. Great customer service. Both were very pleasant and very knowledgeable. Explained the problem so that I could understand. John even sent pictures of the furnace to my son so that he would understand the importance of getting the furnace and water heater replaced right away for my safety. I was happy I could get the product financed since I was not expecting a total replacement. However, I was not surprised since I do know that my furnace is very old. I used Harriman before for my air conditioner repair and was very impressed with the great customer service.”

– Lela T.

“Chance was very polite & was able to fix the humidifier supply line leak quickly. I will use Harriman again for any future furnace or a/c service needs.”

– Joseph L.

“Chance came out the day before Christmas eve, as my older Trane furnace had stopped turning on the gas for heat. I had found a "manual reset flame rollout switch" in the schematic and reset it prior to his arrival and the furnace fired up (thank goodness, the temp outside was 8 degrees!). Chance was kind enough to go through the checkout and make sure all systems were functioning properly. He was very courteous and efficient. Harriman looks to have very good techs and was very prompt in getting our service call in before the higher rates for an after hours call. Thank you.”

– David B.

“Josh came out as I had a room that was not getting much heat. He checked the ductwork going to the colder room and found it was low airflow.
Josh did some calculations and found the furnace was sized to small for my home by the other company who did the installation. Josh listened to my concerns and offered some suggestions for the colder room as I cannot afford a new furnace. Happy to have found Harriman with such great people!”

– Cindy W.

“I had noisy air ducts that kept me up at night. Rob came out and taped all the connection points and also ensured the air ducts were tightly mounted to the ceiling framing. (They were loose due age of house..). Things are MUCH better and I'm able to sleep through the night. Thanks Rob and team! You did awesome work!”

– l w.

“Prompt service on a cold day is appreciated. John G diagnosed a minor problem, fixed it and my house was warm by 1pm. Recommend this company to everyone”

– Anne S.

“Josh performed our annual gas furnace cleaning. Josh was friendly and took his time to explain the work he was doing along with his recommendations for any future maintenance and updates. The job was done well and I am very satisfied with Josh's work.”

– Frank M.

“I've had the pleasure of Josh maintaining my furnace yearly for a few years now, and he ALWAYS is so courteous and professional. He truly is an asset to your company. He always gives me tips and answers all of my questions in terms I can understand. He always goes that extra step. Highly recommend him and his expertise!!”

– Janet P.

“Today, November 14, 2022, Robert Troy came out to inspect my air ducts and was able to greatly increase the airflow in the effective rooms. Robert was very knowledgeable and friendly and provided great customer service! Thank you! I highly recommend Harriman and will use their service again.”

– Zelda R.

“We first used Harriman when our previous furnace stopped functioning in cold weather in 2020. All the companies I contacted said they had no one to send for at least 24 to 48 hours. Harriman promised to send a technician within hours and they kept their word. We then used them for maintenance and eventually decided it was time to replace the old furnace. There are not enough words to describe the detailed level of service and installation of our new furnace from the point of purchase with Jon to completion of the installation. Jesse and Jeff were an amazing team of installers. They were very courteous and professional taking time to describe the process and answer all our questions. James was incredible solving a problem with the heat pump that was installed years ago by another company but would not function in the heating mode. James solved the problem and got it working. The office staff were always very friendly and responsive making sure we were kept informed of all schedules. It has truly been a great experience working with everyone at Harriman.”

– Dianne B.

“From the first service call on my old furnace to the installation of a new one, everyone was friendly, prompt, informative and genuinely grateful for my business. Great customer service.”

– Karen L.

“Today Mitch was out to clean my furnace which is new as it was installed in Aug 2021. Mitch got right to work and explained everything he would be doing and reviewing. I have worked with a number of HVAC companies Mitch was very comprehensive and made the appointment stress free. FYI I had Harriman out last year when the company that installed the furnace could not help me set the heat correctly. John came out and found my thermostat was never set to high efficiency by the other company after they installed it. The furnace worked well last winter after the setting was changed. I am sorry I did not have Harriman install my new Trane equipment but Happy I have found this company now.”

– Cindy W.

“Today, Josh did annual tune up on our furnace. He's very courteous and professional, used shoe covers which I appreciated. He explained in detail what he did and gave thoughtful suggestions for improvements. We are very happy with his work and also with the company. Would recommend!”

– Hris D.

“My furnace went from going strong to not putting out any heat one day right before nighttime. Called the office and had an appointment first thing the next day. Josh arrived and was professional, courteous, and easily helped me with the problem we were having. He explained exactly what was happening and exactly why it was happening and how he was going to fix it. We had heat again in no time.

I would highly recommend Josh and Harriman to anyone.”

– Doug P.

“Josh came in a timely fashion. Friendly, helpful. Diagnosed the likely problem. Willing to repair on the spot and gave alternatives; our choice. I would use this person/company again!”

– Liane J.

“First of all it was a Saturday, and I couldn't believe how quickly Josh arrived. Very nice, pleasant and helpful young man. It turned out that it wasn't a big deal, and he found the problem quickly. I had a bird inside my inducer motor. Once the dead bird was cleaned out, everything was fixed! Crazy incident, but Josh indicated it was not unusual. Josh couldn't be more pleasant and courteous! He is a total asset to your company, Kuddo's to him and his work ethic!!

J. Piper”

– Janet P.

“I have to hand it to Jesse & Jeff… they know their stuff and do outstanding work!! Our home HVAC challenge was huge… replacing 2 A/C units and 2 furnaces with a single A/C and a single furnace… not to mention the duct work challenge of a lifetime! They took the time to help us understand everything and explain any options where we had a choice. In the end we now have a top of the line HVAC setup and couldn't be happier. Their work was top notch and we enjoyed having them in our home… even our dog Smokey loved them! We would recommend Harriman for any heating or A/C challenge. Jesse and Jeff were the ones doing most of the work, but they had an entire team back in the shop helping with expertise and duct work sheet metal.”

– Chuck & Carol T.

“I was extremely pleased with the maintenance work performed by Mitch. He was most professional, courteous, and polite. He arrived on schedule and promptly attended the service. In addition, he took the time to explain and review his work with me before departing—a true gentleman.”

– Joseph D.

“Robert was very pleasant, efficient and informative. He shared a lot of tips on keeping our furnace and AC in top condition. We will continue to use Harriman.”

– Karen B.

“Josh was super professional and easy to chat with. He was quick, clean, and made it super easy. I always appreciate Harriman and their techs ability to explain things and do it kindly.”

– Jason B.

“Josh was friendly and knowledgeable. He explained what was checked and tested. It was a pleasure to do business with him. You are fortunate to have him on the team.”

– Edward J.

“Mitch did a thorough inspection and cleaning of my air conditioner. He explained what he was doing and why, as well as what he found. He even put up with my 6-month old kitten trying to help. I've been using Harriman for 8 years and they have taken excellent care of my furnace and air conditioner.”

– Nancy M.

“Jessie and Jeff were very professional and great at their job. They did a wonderful job explaining everything they were doing and even though they were working in and around our house, we felt comfortable the whole time they were there. I would highly recommend them for anyone who needs heating or air conditioning work done on their home!”

– Rachel and Rob P.

“Exceptional service from the initial call for service, to additional questions and the service visit. Josh was patient with my questions, didn’t push sales and efficiently fixed the malfunctioning part on my central air unit. Thank you”

– Renee P.

“Very nice quality job, very professional technicians. Appreciate that they made the experience with us an easy one. All three people involved, thank you.”

– Bill & Cheryl M.

“Josh came out to do a routine air conditioning service/tune-up. This was the first time for our Lennox AC, bought in 2017, and there was a fair amount of cottonwood, etc. in the grill. Josh explained a lot of issues that people can have with their AC, and suggested that we buy a custom-made cover, to keep the grill cleaner in the future. He was a pleasure to work with, and very good at explaining HVAC topics to someone not in the industry.”

– Peter L.

“John was punctual, courteous, and got right to work. I felt bad as it started to rain, but he continued and did a very thorough job. Answered any questions I had and gave me a few tips. Truly an asset to your company. He helped me to put new batteries in my thermostat so I didn’t have to worry about them later. Hats off to John G.”

– John G.

“Came promptly, got right to work. John was polite, wore footies, a mask. He was knowledgeable, industrious and shared what was going on to my satisfaction. He was personable, friendly and made me comfortable. He was, in other words, a winner.”

– Margaret (Peggy) P.

“Mitch was very informative and thorough. He was able to service us the same day (despite the rain) and leave us with a working system quickly and efficiently.”

– Julie H.

“Chance came to do the maintenance on my AC unit. He was extremely knowledgeable, professional, and courteous. He cleaned my unit inside and out and helped me understand how the system works. He explained each and every step that he performed. I am very thankful and appreciative of the work and the customer service he has provided. Thank You Chance!”

– Talat N.

“I must tell you that Jon, the owner and technicians Jay and Mike are all superb and offer top notch customer service. All 3 went above and beyond to meet our needs. They removed all the old equipment and installed a new Trane furnace and AC which required a lot of custom work in order to bring everything up to code. We will definitely be customers for life and are so pleased with their professionalism and top notch customer service. Thank you Harriman Heating and cooling! We appreciate your help!”

– Susan L.

“Thank you for servicing our air conditioning so quickly. John G., our technician was excellent. Not only did he service our air conditioner with great skill, he explained every step of the way in detail what was needed and the options we had. He worked efficiently without delay and we are extremely pleased with the outcome. He is hard working, polite, knowledgeable, and goes over the top to help his customers. He is a super representative for your company and because of him we will recommend Harriman’s Heating in the future.”

– Thomas K.

“John G. Was very professional and explained in detail the issue and my repair alternatives with no pressure. He walked me through the repair once it was fixed. I highly recommend Harriman for your heating/cooling needs.”

– Brenda C.

“Robert was very professional and explained why my very old boiler needed replacement. Installed it within a week and left my furnace room cleaner than it was before.”

– Patricia S.

“The work on our air conditioner was very successful and done expertly in a fairly short period of time. I will certainly use Harriman services again if necessary and will be sure to recommend the company to others.”

– Barbara A.

“Harriman was fantastic to work with and did a great job! We found out we had to replace our boiler to sell our house. With less than three weeks left until close, Harriman was able to quickly get us scheduled quickly and did an excellent job besides. The inspector afterwards complimented the great installation work they did. They were professional and went above & beyond to ensure we could close on time. Fair pricing and great communication from everyone involved. We are very appreciative and would use them again in the future at our new home!”

– Michael D.

“Josh and Chance showed up on time and provided a thorough service of our furnace and air conditioner. Josh was especially helpful in explaining what he would be doing as well as recommending what next steps might be needed to keep our furnace and air conditioner in good working order. When we need maintenance next year, I would not hesitate to request Harriman Heating.”

– Carolyn G.

“Mitch was very informative about services that could be purchashed. Mitch was very knowledgeable concerning what needed to be done. I feel his work was above the BEST. He was courteous and very concscios of my house. I would recommend Mitch at any time.”

– shirley s.

“Mitch was very professional, courteous and helpful. He explained to me what the issue was and repaired it very efficiently. He also showed me how to replace my furnace filter and gave me insight into areas that should be considered for future maintenance. I’m very appreciative of the service received.”

– Celia E.

“Omigosh! Mitch was AH-Maze-Ing!

He was very friendly and handed me his card outside the front door to verify that he was from Harriman.

He thoroughly checked my furnace and changed my filter and then took a look at my other filter (that minimizes dust in my home) and advised me when to change that. He then showed me and helped to clean some of the pipes that were picking up bacteria and showed me what to do to in order to help keep it clean. He also explained some other maintenance features and in my opinion gave me a great refresher course in my furnace since it was installed about a year ago. I then stepped away and let him do his other standard maintenance work on the furnace. As I don’t know all the specifics – he seemed to do a great job.

He then recommended me getting a new water heater (admittedly, mine is pretty old) and told me what to look for as it ages to make an informed decision about when to pull the plug on getting a new one and recommended the maintenance program to show me how to get discounts and speedy service if needed. Seriously – He was excellent. Ever since I signed up with Harriman, I’ve been nothing but pleased. Kudos to you and your team and making such great hires! I am certainly a pleased customer! :-)”


“John G. came on time and was extremely professional and knowledgeable as he took the time to explain all the details as well as respond to my inquiries.

John remained pleasant and thorough throughout the maintenance exercise.
Keep up the good work!”

– J. O.

“Josh is amazing! We had our furnace cleaned and filter changed. Josh’s work is exceptional, he is very informative regarding future services, and always has a great demeanor. Josh was our tech last visit as well and I love that Harriman sends out the same tech when available as it truly makes the service feel personalized. Even my dog loves him. I would highly recommend Harriman because of their amazing techs like Josh!”

– Rose D.

“Josh was friendly and knowledgeable. He explained how my furnace works as he was proceeding with the cleaning, offering me some tips along the way. I am a completley satisfied customer!”

– Terry B.

“Chance, arrived promptly, he wore his mask and shoe covers, which I greatly appreciated, he walked me through every step of the Maintenace service, and addressed my concerns, even taking the time to call and get advice, he cleaned up, advised me of a service.
He was courteous, thorough. I wish all technicians were like him.

Amanda T”

– amanda t.

“Josh was professional, friendly, and very clear in everything he communicated. He answered all my questions with ease. I am very satisfied with his work!”

– Heather T.

“Hey, I just wanted to thank Harriman Heating for the great support over the years. You all are truly best and I recommend you every chance I get. Today Josh did an excellent job on the annual maintenance (very clean and prompt), he also recommended some products to make our lives a little easier. Thanks Josh!”

– randy s.

“I want to say that the experience with Harriman Heating has been nothing less than outstanding. Rob and Mike were over on Monday and first let me know the procedures that were to be done. Before they started they laid tarp on the steps and through the basement. Once they got started, they went about their business. They took their time and finished about 5:00. Rob explained to me that they would be back on Wednesday to complete the job. I received a call from Emily on Tuesday asking if I could move the appointment up by one day. I advised here it would be no problem. Rob showed up and went about the business of finishing the job in a very professional manner. He had to make a few adjustments on some material that was not right. While he was doing that he took the time to answer some questions from a neighbor inquiring about possibly doing a job for her. After Rob finished he made sure everything was working and walked me through what was done and explained the filter systems and when they should be changed. He also explained that since the temperature was below 60 that it made need refrigerant later in the summer and if so, to just call the office. All in all Harriman Heating has an outstanding employee in Rob Troy. I will be calling Harriman Heating for any other mechanical or plumbing work that needs to be done.”

– Al K.

“Technician was polite, knowledgeable and answered my questions well. He took the notification I’d received about a part recall and set that up for review with the right people back at Harriman.”

– Kathy L.

“Josh was very pleasant and explained everything to me. Knowledgeable about his job. Was on time and completed the job in a timely manner. Thank you Josh.”

– Christine V.

“Chance was very nice & very knowledgeable in the maintenance & products regarding my furnace; when I asked him questions he was very responsive & willing to answer my questions patiently & efficiently. I thought Chance was excellent & an asset to Harriman Heating & Coing. I will request him again for my next service.”

– Helen D.

“Josh was very cool and professional. He explained everything he did and found and made good suggestions on what will help extend the life of my furnace.”

– Matt T.

“Service tech showed up on time, very friendly and knowledgeable. This was an annual cleaning of my gas furnace. Tech cleaned unit and made recommendation to add a power surge protector. I highly recommend Chance. Thank you Harriman.”

– Kelly D.

“Enjoyed the experience! Josh was very professional and very helpful in identifying the problem. He even went the extra mile to recommend improvements for reducing carbon emissions. Kudos to Josh he’s awesome.”

– Darren M.

“I had contacted Harriman at 2pm on Thursday and John Gnass(technician) showed up on Friday around 10:45AM. The company was courteous and professional and the technician was extremely patient and knowledge. John Gnass did not just diagnose the issue with the Furnace but they thoroughly explained the system. They diagnosed, obtained the part, and repaired within 1.5 hours. I would absolutely recommend the company, especially the technician.”

– Reychl M.

“I was having issues with my Ecobee thermostat and Robert was able to find the issue–it was in the Furnace itself (issue of proper gas flow to Furnace was incorrect). He found the issue and fixed it and now the Ecobee thermostat is behaving properly. Excellent service!!”

– Ken J.

“Josh performed maintenance on our furnace today. He took the time to explain what he was doing, and was willing to answer questions – his answers were thorough. We highly recommend Harriman Heating, and Josh specifically.”

– Charles E.

“John G did an excellent job, was very professional, timely and informative. I will recomend Harriman to my friends and specifically John.”

– Gregory D.

“Mitch was outstanding! A real professional who clearly knew his stuff. Not only did he find and repair the problem quickly, but he made recommendations that will probably end up saving me from another huge repair bill in the future. What a life saver!”

– Carina M.

“Mitch is professional, and sharp. He took time to educate my wife and I on what he was planning on doing as well as what he did.”

– Scott M.

“I had the pleasure of working with Mitch twice recently — once at my house for a water heater gas valve, and the second time at a friend’s house while I was watching their place while they were out of town, and their Trane XC95M was sporadically quitting. Like all the Harriman techs I’ve worked with so far, Mitch was very thorough and professional in his diagnosis and repairs. Very pleasant and very knowledgable. He is laser-focused on his work and is efficient. He was able to get both repairs done quickly. Would definitely recommend!”

– Kevin L.

“Mitch was AWESOME!! Very friendly and very knowledgeable. He tried to troubleshoot my problem before recommending a replacement, which I sincerely appreciated. He was in and out quickly with the problem completely resolved. Excellent service”

– Dawn C.

“Mitch was very professional and when he worked on the humidifier he checked the control with another unit and saw it was ok and that the motor was probably burned out. He went through everything he did on the furnace and covered areas where it could be improved.”

– John L.

“These guys were very knowledgeable, curious and helpful. John H and John G were professional and went above and beyond. So happy I called them.
They are doing more work for me, and I’m looking forward to another great job.”

– Sherri W.

“To start, the scheduling went smooth. Emily called the day before to confirm and first thing the morning of to verify the timeframe. Mitch showed up shortly after to start the routine furnace maintenance process. He allowed me to look over his shoulder, took his time doing a thorough job, and answered all my questions. Mitch was very professional and courteous throughout the entire process. I was fully satisfied with Harriman Heating today and would highly recommend them.”

– Brian R.

“John G was awesome. Diagnosed this issue and replaced a blown condensate pump and told me the steps to keep it running correctly in the future. He was very polite and completed the replacement very quickly.”

– Harriet K.

“On February 3rd 2022, Robert Troy helped me and fixed my H Vac , he was quick, honest , he did a good job. I trust him”

– Wasen A.

“John G did a great job. It was the annual cleaning for my 2 furnaces. He showed me what had collected in the humidifiers. It was a lot. But informed me it was working great. He was very polite and knowledgeable. I would recommend Harriman Heating to everyone!”

– Christine M.

“John was very knowledgeable and explained what needed to be done to get the furnace back up and running. Great job!”

– Cheryl M.

“A great guy with a ton of knowledge and great personality. Came in with a mask and cooties and ready to work. He’s a great asset to your company. Thank youh so much. Rick”

– Rick T.

“The original technician who performed my routine maintenance had diagnosed a need for repair. My heat was going to be out for the night. After a call Harriman scheduled Mitch to come out the same day. Mitch was courteous and inquisitive. He heard a sound and upon investigation discovered that there was a just a bit of debris and there was no problem with the furnace! But Mitch did not stop there, he was curious about whether a nearby radon fan could be impacting airflow. Upon further investigation it was revealed that the air flow for my high efficiency furnace was being blocked outside. The other technician missed all of this. Thanks to Mitch I won’t have to spend my Christmas money on an unneeded furnace repair. Merry Christmas “

– Crystal C.

“Everyone was courteous, professional, worked hard to explain what was going on and our best options. Follow through was speedy & efficient, and the owner even sent a personal thank you note. Incredible service, would use Harriman’s again anytime.”

– Robin A.

“When my furnace was down, and I was freezin, Harriman was able to come same day! Josh came and was very prompt and polite. He explained what he did and what was wrong with my furnace. He also reviewed details of the companies maintenance contract and when to have my furnace serviced and maintained. He was very pleasant to work with and I was very happy I called Harriman. Will definitely call them again and ask for Josh!”

– Cheri S.

“It was time for yearly checkup, Josh was very polite and had on his mask and booties the whole time. Josh explained everything to me in detail and he also answered the questions that were asked of him. I was surprised that he could install a carbon monitor which gives me a peace of mind. I enjoyed his visit very nice Young man.”

– Kim W.

“First time using this company. Will use them again. John was on time, conscientious about keeping my house clean, and explained to me what he was doing and why he was doing it. Top Notch!”

– David B.

“Jesse & Jeff replaced my air filter system in my furnace. They were here at the appointed time and were both professional and friendly. The replacement was handled quickly and they showed me how to replace the filters myself when the time comes. Great experience!”


“Called around when my furnace unexpectedly went out and I was unable to fix myself. Couldn’t get any other companies to come out until a week later, Harriman was able to get me in the same day. Mitch came by and diagnosed the problem and provided me with great information to make a good decision. He came back the next day and replaced the speed controller on my ECM furnace and it solved the issue! Extremely happy with his professionalism and kindness, and grateful to have heat returned to my home. He also noticed a small leak near my water heater and inspected that for me as well to make sure that everything was okay. Will definitely use Harriman again.”

– Cavin C.

“This company is very prompt and professional. Also, they sent out a very nice, friendly and knowlagable Tech. He answered all my questions and got my heat back on quickly. I am going to tell my Family members about them in case they need any help at their homes.”

– Lanita R.

“Josh called as expected to advise when he would arrive and was professional and courteous throughout. He was very thorough in his explanation of various items related to my furnace maintenance, my filter, the air flow, etc. I felt comfortable I was getting information that was beneficial to my system as a whole. It was a good experience.”





“Last week, John G. gave us our Fall Heating Tune-up. Very thorough, very pleasant and Extremely Informative. All of our interactions with Harriman Associates have been good, but John G. was the best, so far. Thanks!”

– Richard N.

“John G came to my house this weekend because my furnace would not come on. He was very professional and courteous and made the necessary fixes quickly.”

– Lynda R.

“Very polite and knowledgeable. He explained everything that he was doing and was able to answer all my questions. Also, solved the mystery of where birds were entering my home. Thank you!”

– Rose Z.

“Damon came out to inspect our existing furnace and air conditioner and do what ever repairs were necessary. His inspection showed that our aged furnace and air conditioner would best be replaced and made arrangements for John to come out and give us and estimate on new ones. Damon was through in his explanations and courteous at all times.”

– Julie D.

“Mitch came out and checked what was going on with our air conditioner. He is excellent, very professional, explained everything, we need more service people like him. Thank you Mitch.”

– Jamie M.

“On Wednesday, Oct. 6 and Thursday Oct. 7 Jeff and Jesse came and installed a new furnace, air cleaner, humifier, and air conditioner. They were prompt, friendly, and courteous. We are very pleased with their work.”

– Julianne D.

“If you need service or a full equipment replacement like I got, look no further. You will not be disappointed.
My experience with Harriman Heating & Air Conditioning was by far the best I have ever had with professionals that I’ve had in my home to do work.
Jesse and Jeffrey were faced with a very challenging job and they handled it with professionalism, expertise and impressive knowledge and skills. The job was so challenging that they needed to be at my house for 4 days. Never did I feel concerned that the job would not get done to my satisfaction. They were creative and found a way to get it done, while all the time, ensuring that I was going to be happy with the choices of placement due to a very small space to work in.
Jesse and Jeffrey were so friendly and they were great sports in dealing with my puppy that was nonstop trying to steal anything they sat down for even one second (puppies LOL).
I genuinely recommend giving Harriman a try. I found the experience to be refreshing, since it is so difficult to find good professional service anymore. They were respectful, friendly, thoughtful and most importantly SKILLED.
Thank you Jesse and Jeffrey….You two are the best!!!”

– Barbara G.

“John Gnass proved to be thorough and competent. He remained pleasant, helpful, professional. I appreciate his attention to detail and his patient explanations of findings and recommendations. Harriman is a better company with representation like John on their team!
I am grateful for the furnace cleaning and being treated with so much respect!”

– Sue H.

“John G. was very professional, courteous, knowledgeable, and especially efficient! He brought my very old furnace back to life! I was very impressed with his work! I’m very satisfied with the work he did! Thank you so much!”

– Randy U.

“Today I had Technical Hot And Cold come over to get my 2014 Lennox furnace working. It took four days to get an appt. The burners wouldn’t stay lit so I had no heat. The technician did very little other than spend about 20 to 25 minutes in his van talking to somebody, then he came in and told me I needed a new heat exchanger because his carbon monoxide detector indicated that my furnace was producing more than 2000 ppm and it should only be producing 1 ppm! My son talked to him and the tech said he couldn’t tell if the heat exchanger was cracked or not because it was too complicated to see inside it. He said he could tell it was cracked because the flames shot out toward him when he turned the furnace on. He said the burners would all go off because it tripped the sensor that protected the furnace from burning the place down. My son asked if he had checked for blockages in the vents and he said no that you couldn’t get inside them to check. He did not go on the roof and take the cap off the vent pipe. In the text said it would cost over $2000 just for the labor to put in a new heat exchanger. And it would have to be ordered so I would have no heat until the end of next week. Thank goodness my son had me call Harriman!! Damon came out within 2 hours and immediately diagnosed the problem and fixed it for $200!!! He cleaned the outtake pipes with bleach and took the burners out and blew them clean. He even replaced a wire that looked suspicious. Then he showed me his CO meter registering 1 ppm. He offered to talk to my son and was absolutely wonderful and patient thru the whole process. I told him I will always ask for him in the future. What a treasure it is to find an honest company and a truly professional technician!!!!”

– Sharon N.

“John G is a wonderful repairman with a great personality and I will call Harriman’s in the future when I need ant more repairs.”

– Susan A.

“Very impressed with Mitch. He walked us through what was wrong with the furnace and the repairs needed. If I were running a company, I would want all of my employees to be just like Mitch. OUTSTANDING!”

– Bill N.

“Jon was friendly and informative in giving us the estimate and helping with the financing application. Jesse and Zack were polite and friendly, and did a great job with installation and clean-up. I’m looking forward to seeing how our new furnace works this winter.”

– Victoria D.

“Great guy great personality It’s very knowledgeable Answer all my questions All service industries should have a guy like John G”

– Tom T.


– Gerry O.

“You were recommended to us by Trane Company after another company tried to scam us into purchasing a new furnace. Mitch came out and took a look, was very pleasant and knowledgeable, and let us know that a new furnace was not needed at all, in fact, there was nothing wrong with ours. He spent a lot of time with us to make sure there was nothing going on with our furnace and explained everything in great detail. We are very appreciative that someone came out to take a look so quickly, and Harriman has become our new Heating & Air Conditioning company to call if needed. If something is needed, we would want Mitch to be the one who is sent out. We truly had a great experience and we are thankful we found a company that we can trust! Thank you all, especially Mitch.”

– Gil T.

“The technicians arrived in a timely manner. John G and Junior where very professional and knowledgeable. They answered all my questions and shared a few tips and information that will be useful in the future. They where diligent in their work. They cleaned up and left the furnace and air conditioner, cleaner and working much better than how they found the units. I was impressed with how focused and considerate they where. It is not uncommon to get good service but to be fortunate to get the efficient and dedicated service that John and Junior demonstrated was exceptional. Thank you guys and I will be using you in the future. I will be passing on recommendations to others. Thank you for your hard work and knowledge.”

– Debbie M.

“Mitch arrived promptly at my home during my scheduled appointment time window. He was very nice and performed the required maintenance to my furnace and air conditioner. When complete, he fully confirmed the service and recommendations to keep my equipment running at its best. I always appreciate the friendly and thoughtful service by the entire team at Harriman. Job well done.”

– Melanie M.

“This was my first time using Harriman. I was very impressed by the high level of service provided by John G. He was very thorough, knowledgeable, and friendly. I will use this company again and request John G to service my AC and furnace.”

– Wanda H.

“I was treated properly and professionally from start to finish regarding my repair. The receptionist/scheduler/dispatcher handled my call wonderfully. Mitch arrived at my residence promptly and prepared. He assessed our situation and quickly knew what needed to be done. He then explained the repair and offered every possible way to improve the quality, protection and life span of our unit. His execution of the job was flawless and we are already enjoying full functioning A/C. We were very pleased and will use/recommend Harriman going forward. Thank you.”

– Brandon S.

“They showed up on time and did an awesome job! They also explained to me what they were doing along the process. What was also very impressive was when I called they came out the same day and had my air conditioner installed in 2 days during the busiest month of the year!

I will definitely use them again in the future for all my heating and cooling needs!

Thanks for being such a great company!”

– Colin C.

“Josh was wonderful! He explained everything and was very courteous.
I highly recommend Harriman. A few years ago they replaced our furnace and did a great job as well!
Thank You Harriman!”

– Lisa T.

“Highly recommend Harriman, and Josh Sh. specifically. Our air conditioning stopped working last night. Fortunately, Josh from Harriman, was able to come out the next day. Josh immediately knew what the problem was – the blower motor run capacitor shorted out. There weren’t any replacement capacitors available, so Josh was going to install a generic one. He kept calling around though, and found the part. He communicated throughout the process. Our air conditioning is working fine now.”

– Charles E.

“I just purchased my condo and the a/c unit is in the storage room outside of the condo. My ac was not cooling my condo and Mitch came to do a service call. When he arrived he was extremely professional and courteous. The first thing he noticed is that the unit had a switch in the storage room that was in the off position and that was what the problem was. Once it was running he noticed and bought me outside to show me the condenser was turing itself off after a few minutes. He tested some other things and then noticed a sign on the unit door panel that the door must be on for correct meter readings and condencer operation. So he put the door back on and the problem was solved. He could have talked me into purchasing a number of things but was honest and fair. It only cost me the service fee. I would use and definitely recommend Harrimans and Mitch again. Thank you again Mitch!!”

– Sheryl C.

“Can not begin to express the great and professional, helpful, and prompt service I received from Josh when he came to do my annual Air Conditioning service last week!! Honestly he was such a pleasure, took time to completely answer any questions I had, explained them in terms I understood, and illustrated if I needed it. He gave me tips, and he is truly an asset for Harriman! He not only did the maintenance on the air conditioner (which was purchased from Harriman in 2019, but answered all questions I had about a previous installment of a new hot water heater!! I feel totally confident now on what to do. Kuddo’s and praises to him, he went over and above !! Thank you so much Josh, continue doing what you do, and your positive attitude!

from Milford”

– Janet P.

“I highly recommend this company! Definitely will call them for any future issues. Damon knew exactly what the issue was with my A/C and had me back up and running in no time. A Great Big Thank You!!!!!”

– Linda F.

“Wow! We are so impressed with the hard work and professionalism demonstrated by James & Jeff while replacing our air conditioning system. It poured rain all day long and these guys worked diligently in our attic and then in the rain to complete the replacement within the day. Today is the day after, and now we have a home that is cooled and dehumidified properly. Many thanks to this team at Harriman Heating for a job extremely well done!”

– Joseph D.

“I have been so pleased with all the employees I have encountered in my years with Harriman. Rodney and Mitch installed a new hot water tank in my mobile home this week and they were so prompt, efficient, thoughtful, and answered any questions I had. A great asset to Harriman’s team. Along with their Kuddo’s I wish to express how pleasant and professional both Karen, the receptionist, and Dawn, I believe an assistant field tech, were! Couldn’t be more helpful and gracious–Hat’s off to the both of them also!!

Thank you all,
Janet P.
Milford, MI”

– Janet P.

“Josh was very friendly and courteous from the time I opened my door to let him in. He took his time, educated me about my AC system, and gave me some tips to keep my home cooler and maintain my AC. I also appreciated that he made sure to cover his shoes and wear his mask whenever he was inside my home.”

– Karen G.

“Arrived and entered my home with a good attitude. He asked questions, looked at the AC unit, and quickly diagnosed the problem. Explained to me what type of repair he was going to do and how much it would cost. Highly recommend Joshua and Harriman Heating and Air Conditioning.”

– Gerald H.

“I can’t give Damon enough stars for his professionalism, help and his above and beyond information on helping with my gas hot water heater problem. I’ve been dealing with Harriman for a good five years and have always been thoroughly pleased with everyone I’ve dealt with right down to the customer service telephone representative. He certainly is a credit to your company and wanted you to know. Thank you and please continue to with the great help and service that you provide.

Janet P. – Milford, MI”

– Janet P.

“Harriman adjusted schedule to meet my needs. Josh arrived at time promised and was very courteous and professional. Explained situation with my A/C – did not pressure for any additional services and took the time to explain issues with my A/C”

– Mark H.

“Our serviceman, Damon M., was great! He arrived at our appointment on time, was friendly, courteous, and explained the maintenance procedure so that it was very understandable. Overall the experience with Damon and Harriman was very good.”

– Carolyn B.

“The technician arrived within the scheduled time frame. He was very courteous and wore shoe coverings when he was in the house. He checked all the indoor equipment then cleaned the outdoor units. He explained everything he was doing. Everything was in great operating order… probably because I have Harriman come every year to check things out!”

– June K.

“Damon was very courteous and knowledgeable. He took the time to address all of my concerns and answer all questions. I appreciated that he used shoe covers to enter my home. He was easy to talk to and made me feel comfortable. Great service over all from Damon and the company. I appreciate it and would recommend them!”

– H D.

“Josh came the other day to inspect and service my air conditioner. He is very knowledgeable, professional and glad to share his insights. I appreciate his service very much, and requested him for the next time.”

– Ron G.

“Tech “Josh” was an excellent tech. He was very professional, pleasant, and courteous. He explained everything as to what he was going to do before getting started. He also showed me pictures before work and pictures after work was completed. I would rate his service as Above Excellent.

– Lillie S.

“We have been so impressed with the professional service and kindness from everyone we have had contact with at Harriman Heating! From the customer service on the phone to the guys that came out to help in our home. We will be recommending Harriman to everyone!”

– Brittany R.

“Very polite. Showed dirt on inside of unit and cleaned. Showed where to pour bleach on the condensation line. Showed options for maintenance agreement, surge protector, and electronic air purifier. All declined due to cost, however, we are considering for future investments (please don’t contact us, we’ll contact you.) His assessment is that the overall R22 was a little low. But explained that could be due to the first run of the season as well as a mild day. Another option to consider increasing when we can afford it. Good Job Josh! Any misunderstanding is my own. Josh as pleasant and competent.”

– Chris T.

“Mitch was here promptly on time. He explained all my questions. Mitch spent an hour maintaining my air conditioner to peak performance. He made a couple of recommendations that I will consider. Mitch took an interest in his job and my air conditioner. I appreciate his service.”

– Mitchell V.

“John was very friendly as usual.(He has been here before). He was quick to get to the issue and get it taken care of. Thank you Harriman.”

– Chuck W.

“Very personable. Did the maintenance on my furnace and water heater in a reasonable amount of time. Made suggestions for improvements on the furnace. Hope he is the one that comes back in the fall to check the furnace again.”

– Barbara G.

“Harriman Heating was exceptional in our A/C installation. We had prior companies look at our A/C in the past for servicing and Harriman provided us excellent service for our installation as well as helping improve airflow in our home. Jay and Mike were wonderful on the installation and went above and beyond to make sure the installation went well and was done properly. We will definitely be using Harriman Heating for our heating and cooling needs in the future and highly recommend this company.”

– Kristan V.

“we found rodneys work ethics to be exceptional. we would also like to have him service our residence and rental property on plymouth rd for future repairs or service. he took extra time to explain and adjust our thermostat for evening and morning temps sunday thru saturday.”

– Pauline C.

“John & Mitch were very professional and cordial. The service performed was very thorough and done in a timely manner. I appreciated their service and they were also dog friendly. I would have them in our home again gladly. Exemplary service!”

– MJ m.

“John was very knowledgeable and professional. I felt safe with his adherence to Covid-19. He was thorough in his assessment of our current situation and recommended a surge protector be applied to avoid future outages as we had experienced last year. We have a lot of outages in our area. His comprehensive advice was appropriate and appreciated. I had a good experience in working with John G. and would welcome his service in the future.”

– Mary J.