Testimonials – Gas Furnaces Articles

Gas Furnace Maintenance in Farmington Hills, MI 48336

May 25, 2022

“Called and they were able to come out the same day and took of the issues. John G was very knowledgeable and answered all the questions I had and explained in detail all work.”

Continue Reading

Gas Furnace Repair in Farmington Hills, MI 48331-1615

May 17, 2022

“Your service technician was polite, knowledgeable, and completed a multi gas leak problem very efficiently. Many thanks for your prompt service.”

Continue Reading

Gas Furnace Maintenance in Plymouth, MI 48170

April 25, 2022

“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…

Continue Reading

Gas Furnace Repair in Plymouth, MI 48170

April 24, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Southfield, MI 48075

April 13, 2022

“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.…

Continue Reading

Gas Furnace Maintenance in Novi, MI 48377

April 12, 2022

“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!”

Continue Reading

Gas Furnace Maintenance in Waterford, MI 48327

April 11, 2022

“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…

Continue Reading

Gas Furnace Maintenance in Southfield, MI 48076

April 6, 2022

“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!”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48334

March 31, 2022

“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…

Continue Reading

Gas Furnace Maintenance in Ann Arbor, MI 48103

March 30, 2022

“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!”

Continue Reading

Gas Furnace Maintenance in Ann Arbor, MI 48197

March 30, 2022

“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…

Continue Reading

Gas Furnace Maintenance in Milford, MI 48380

March 25, 2022

“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.”

Continue Reading

Gas Furnace Repair in Farmington Hills, MI 48336

March 23, 2022

“Josh was very kind and helpful, whore a mask and I appreciated he put on booties before me even asking!”

Continue Reading

Gas Furnace Repair in Livonia, MI 48152

March 22, 2022

“Very professional job.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

March 22, 2022

“Arrived when expected. Efficient and timely service. Cordial and patient with my questions and concerns.”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

March 21, 2022

“John G was great! Explained everything he did very well and made suggestions, but wasn’t pushy. I will definitely use Harriman again.”

Continue Reading

Gas Furnace Maintenance in Canton, MI 48188

March 21, 2022

“Josh was very helpful and informative. Great guy!”

Continue Reading

Gas Furnace Maintenance in Redford, MI 48239

March 21, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

March 18, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

March 16, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

March 14, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Southfield, MI 48075

March 14, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Novi, MI 48377

March 11, 2022

“quick and well explained”

Continue Reading

Gas Furnace Repair in Madison Heights, MI 48071

March 11, 2022

“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…

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48174

March 11, 2022

“I had a very pleasant experience with the service that was performed by Chance, he was very professional and knowledgeable while conducting the service.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48335

March 10, 2022

“He was helpful and friendly.”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

March 10, 2022

“Very nice man and very knowledgable”

Continue Reading

Gas Furnace Maintenance in Novi, MI 48375

March 9, 2022

“Always a professional technician and great human being.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48336

March 8, 2022

“Mitch was very thorough and professional. He took the time to answer all my questions and explained everything very clearly. Definitely recommend him!!”

Continue Reading

Gas Furnace Repair in Westland, MI 48185

March 8, 2022

“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!!”

Continue Reading

Gas Furnace Maintenance in Novi, MI 48375

March 7, 2022

“John G explained what’s going on my furnace and I’m happy with his work.”

Continue Reading

Gas Furnace Maintenance in Ann Arbor, MI 48108

March 2, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48331

March 1, 2022

“Timely arrival for service. Very informative as to the job to be done. Answered all questions regarding the furnace and humidifier. Pleasant and professional.”

Continue Reading

Gas Furnace Repair in Redford, MI 48239

February 28, 2022

“John G was Awesome.”

Continue Reading

Gas Furnace Repair in Wayne, MI 48184

February 27, 2022

“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!”

Continue Reading

Gas Furnace Repair in Wayne, MI 48184

February 27, 2022

“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.”

Continue Reading

Gas Furnace Repair in Ferndale, MI 48220

February 24, 2022

“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…

Continue Reading

Gas Furnace Replacement in Other, MI 48185

February 23, 2022

“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”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48083

February 18, 2022

“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.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48335

February 16, 2022

“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.…

Continue Reading

Gas Furnace Maintenance in Canton, MI 48187

February 14, 2022

“Josh was extremely helpful and thorough. Highly recommend him!!”

Continue Reading

Heating Repair in Westland, MI 48185

February 5, 2022

“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”

Continue Reading

Gas Furnace Maintenance in Canton, MI 48188

December 29, 2021

“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!”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

December 21, 2021

“JOHN IS VERY KNOWLEDGEABLE AND DOES HIS BEST TO PROVIDE GOOD CUSTOMER SERVICE.”

Continue Reading

Gas Furnace Repair in Novi, MI 48375

December 20, 2021

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

Continue Reading

Gas Furnace Repair in Van Buren Twsp, MI 48111

December 13, 2021

“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”

Continue Reading

Gas Furnace Repair in Northville, MI 48167

December 10, 2021

“Mitch was great. Professional and knowledgable. Fixed the issue without difficulty. Would recommend again!”

Continue Reading

Gas Furnace Repair in Southfield, MI 48076

December 9, 2021

“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…

Continue Reading

Gas Furnace Maintenance in Plymouth, MI 48170

December 9, 2021

“John was informed, knowledgeable thorough and effective. Impressive. And greatly appreciated.”

Continue Reading

Gas Furnace Maintenance in Plymouth, MI 48170

December 3, 2021

“John was out this morning to service our furnace. He was courteous, professional and pleasant! Couldn’t ask for more!”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48334

November 16, 2021

“Very nice young man. Answered all my questions and let me know exactly what he did with my furnace.”

Continue Reading

Gas Furnace Installation in Ann Arbor, MI 48103

November 15, 2021

“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.”

Continue Reading

Gas Furnace Repair in Northville, MI 48168

November 5, 2021

“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…

Continue Reading

Gas Furnace Maintenance in Canton, MI 48187

November 4, 2021

“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.…

Continue Reading

Gas Furnace Maintenance in Redford, MI 48240

November 3, 2021

“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!”

Continue Reading

Gas Furnace Replacement in Plymouth, MI 48170

November 3, 2021

“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!”

Continue Reading

Gas Furnace Repair in Northville, MI 48167

October 29, 2021

“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.…

Continue Reading

Furnace Repair in Redford, MI 48240

October 27, 2021

“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.”

Continue Reading

Gas Furnace Maintenance in Plymouth, MI 48170

October 25, 2021

“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…

Continue Reading

Gas Furnace Installation in Farmington Hills, MI 48334

October 20, 2021

“VERY HELPFUL AND KNOWLEDEGABLE OF HEATING AND AC UNIT INSTALLATION. I THINK THEY DID A VERY NICE JOB OF THE INSTALL AND WOULD RECOMMEND THEM TO OTHERS. HAS ONLY BEEN A DAY SINCE FINAL INSTALL SO I HOPE i’M RIGHT. THANKS ED”

Continue Reading

Gas Furnace Maintenance in Troy, MI 48084

October 20, 2021

“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!”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

October 18, 2021

“John was great and provided some very helpful advise with furnace filter and humidifier.”

Continue Reading

Gas Furnace Repair in Novi, MI 48375

October 17, 2021

“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.”

Continue Reading

Gas Furnace Maintenance in Northville, MI 48167

October 15, 2021

“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!”

Continue Reading

Gas Furnace Repair in Livonia, MI 48152

October 15, 2021

“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…

Continue Reading

Gas Furnace Installation in Livonia, MI 48152

October 11, 2021

“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.”

Continue Reading

Gas Furnace Replacement in Melvindale, MI 48122

October 11, 2021

“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…

Continue Reading

Gas Furnace Maintenance in Novi, MI 48390

October 10, 2021

“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!”

Continue Reading

Gas Furnace Replacement in Detroit, MI 48210-2007

October 7, 2021

“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!”

Continue Reading

Gas Furnace Repair in Wolverine Lake, MI 48390

September 30, 2021

“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…

Continue Reading

Gas Furnace Repair in Belleville, MI 48111

September 23, 2021

“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!”

Continue Reading

Gas Furnace Installation in Canton, MI 48187

September 20, 2021

“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.”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

September 3, 2021

“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…

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48334

August 20, 2021

“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…

Continue Reading

Air Conditioning and Furnace Maintenance in Westland, MI 48186

August 19, 2021

“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…

Continue Reading

Gas Furnace Repair in Ann Arbor, MI 48108

July 23, 2021

“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…

Continue Reading

Gas Furnace Maintenance in Southfield, MI 48075

May 21, 2021

“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.

Continue Reading

Gas Furnace Maintenance in Hamtramck, MI 48212

May 12, 2021

“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.”

Continue Reading

Gas Furnace Repair in Canton, MI 48188

May 10, 2021

“Mitch was very professional and friendly. He explained to me the parts I needed and installed them without delay.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48150

May 7, 2021

“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.”

Continue Reading

Gas Furnace Maintenance in South Lyon, MI 48178

April 30, 2021

“Great job! Kept the area clean and had great customer service, thanks.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48154

April 14, 2021

“John G was very helpful and explained info on heating system operation.”

Continue Reading

Gas Furnace Repair in Southfield, MI 48076

April 3, 2021

“Mitch was very professional and thorough. He gave us all options for repair and advice for maintenance.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48154

April 3, 2021

“Jessie & Zack were at our home on 3/15/21 for furnace maintenance. They were very professional and know their products. We have used this company since 2015 and we would not go anywhere else !!!!”

Continue Reading

Gas Furnace Maintenance in Northville, MI 48167

April 2, 2021

“Scheduling an appointment was easy. Yearly maintenance was completed fast and professionally.”

Continue Reading

Gas Furnace Repair in Detroit, MI 48235

April 1, 2021

“Rodney is professional. Always on time. Awesome tech”

Continue Reading

Gas Furnace Repair in Livonia, MI 48152

April 1, 2021

“John was extremely professional, competent, knowledgeable, conversational and fun. He immediately diagnosed and fixed the problem, checked out the entire furnace, showed me what to do for homeowner’s maintenance, and replaced the large filter. It was a pleasure to work with him (actually to watch him work). I must commend Harriman on the rapid response…

Continue Reading

Gas Furnace Maintenance in Westland, MI 48186

March 31, 2021

“Mitch was on time, professional, courteous. I was caught in a conference call and rather hurriedly ushered him into the house and just pointed to the direction the basement was in. Without question he hopped to it. I needed my furnace cleaned and inspected for a city certification (so I can sell my house). Once…

Continue Reading

Gas Furnace Maintenance in Plymouth, MI 48170

March 31, 2021

“John did a great job cleaning furnace, checking filters. He suggested a surge protector for my furnace. Very friendly and I appreciated his suggestions.”

Continue Reading

Gas Furnace Maintenance in Canton, MI 481871682

March 30, 2021

“Did a great job. They went beyond in explaining things and more than answered all my questions”

Continue Reading

Gas Furnace Replacement in Northville, MI 48168

March 29, 2021

“We had numerous folks from Harriman out to our house over 3 days, as what started with a humidifier repair eventually ended up with complete furnace replacement. They were super diligent in checking out all of our equipment and keeping our family safe, and once it was deemed that carbon monoxide was present as well…

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48185

March 26, 2021

“Daman provided excellent service keeping my furnace cleaned and up to date. He went though my thermostat and answered every question I had about the furnace, and other service that Harriman does. He was direct and professional with all his answers. He didn’t try to push a bunch of products on me and was very…

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48336

March 25, 2021

“John G. was very courteous and professional. I would highly recommend him.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48336

March 25, 2021

“Very good!”

Continue Reading

Gas Furnace Repair in Detroit, MI 48224

March 24, 2021

“Rodney was friendly, professional, and knowledgeable. I have a good impression of Harriman because he has good customer service skills.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48336

March 23, 2021

“Mitch was very helpful and explained what he was doing and why. I appreciated his attention to keeping me informed.”

Continue Reading

Gas Furnace Maintenance in West Bloomfield, MI 48323

March 23, 2021

“very knowledgeable person did the work promptly and did more than the job called for”

Continue Reading

Gas Furnace Maintenance in White Lake, MI 48383

March 19, 2021

“John was very thorough and gave great customer service.”

Continue Reading

Furnace & Air Conditioning Maintenance in Milford, MI 48381

March 18, 2021

“Mitch from Harriman Heating arrived on time and before starting any work, inquired about any issues, problems or concerns over the past year. Afterwards performed inspection/cleaning and offered suggestions & prices for improving our units. Thank you Harriman and Mitch for assuring our furnace and air conditioning are functioning properly.”

Continue Reading

Gas Furnace Maintenance in Royal Oak, MI 48073

March 18, 2021

“Mitch did an exceptional job. He was very nice and professional.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48346

March 18, 2021

“John G was professional, courteous, and conscientious in performing a furnace cleaning for us. Took the time to point things out and explain them. Very satisfied.”

Continue Reading

Gas Furnace Repair in Southfield, MI 48075

March 16, 2021

“Damon did a great job. Very efficient.”

Continue Reading

Gas Furnace Maintenance in Canton, MI 48188

March 15, 2021

“John G was helpful, professional, and informative.”

Continue Reading

Gas Furnace Maintenance in Lincoln Park, MI 48146

March 12, 2021

“John G came to perform annual maintenance on our furnace. He was prompt and on time for the call. John was very polite & informative to our question. He gave us tips on future maintenance. Would recommend John G.”

Continue Reading

Gas Furnace Maintenance in Northville, MI 48167

March 11, 2021

“Got a yearly check up for my system. Great job as always. Thanks”

Continue Reading

Gas Furnace Repair in Hazel Park, MI 48030

March 8, 2021

“Even though Damon was miles away, he got here in good time, diagnosed the problem quickly, had the part & replaced it fast, I have heat again, no small feat with this VERY old furnace! Everybody so professional, polite & caring. 👍👍”

Continue Reading

Gas Furnace Maintenance in Belleville, MI 48111

March 4, 2021

“Very good service, explained what needed to be done and why.  Showed me the inside of the furnace and that even with my furnace being 10 years it was in very good shape and there should not be any problems anytime soon.  Did explain that due to the age of the furnace the parts were no longer under…

Continue Reading

Gas Furnace Repair in Hazel Park, MI 48030

March 3, 2021

“On time, VERY professional, polite, friendly; reviewed everything thoroughly, fixed the problem quickly, VERY low charge, highly recommend Damon & Harriman! 👍”

Continue Reading

Gas Furnace Installation in Warren, MI 48088

March 2, 2021

“It was a great experience from beginning to end. The salesman and installers were so friendly and informative, and respectful of us and our home. We would also like to mention that they made sure we had heat that same day…… what a relief!”

Continue Reading

Gas Furnace Repair in West Bloomfield, MI 48323

February 24, 2021

“If I could give this company six stars, I would. Rodney and two other fellas came out to do my work, all three were courteous, knowledgeable, and extremely friendly. What more could one ask.”

Continue Reading

Gas Furnace Maintenance in Walled Lake, MI 48390

February 22, 2021

“Mitch was courteous and went the extra mile. He took precautions to keep my house clean and keep my family safe during the pandemic. He patiently answered all my questions and made some great recommendations.”

Continue Reading

Gas Furnace Repair in Novi, MI 48178

February 17, 2021

“John G came to my condo to fix my furnace that was not running properly. John fixed the problem and was very polite and informative at the same time. He gave me tips on future maintenance, helped me understand what he was doing, what caused my problem and how to prevent similar problems in the…

Continue Reading

Gas Furnace Repair in Westland, MI 48185

February 16, 2021

“John G was professional, informative, and fixed our humming vibrating noise promptly. Not only was his service outstanding, he was very helpful on maintenance tips. My husband and I would recommend John G with Harriman Heating & Air Conditioning for your repairs.”

Continue Reading

Gas Furnace Maintenance in West Bloomfield, MI 48322

February 15, 2021
Continue Reading

Gas Furnace Maintenance in Northville, MI 48167

February 7, 2021

“Mitch arrived on time and answered all my questions in an informative and thoughtful way. He spent quality time checking the furnace and giving me good advise on the humidifier and filter. I appreciated his knowledge and thoroughness, and the experience was definitely a good one.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

February 4, 2021

“Very satisfied with the service provided by Rodney. Pleasant, efficient, and practiced all Covid requirements.”

Continue Reading

Gas Furnace Maintenance in New Boston, MI 48164

February 3, 2021

“Today 3-Feb.-2021 Mitch a Harriman Technician completed a preventive maintenance service on our heating system. Thanks you Mitch!”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48154

February 3, 2021

“Mitch did a terrific job with the cleaning and explaining other findings in detail. I was very pleased with the service.”

Continue Reading

Gas Furnace Replacement in Redford, MI 48239

January 28, 2021

“Jesse and Jeff replaced my return air today. Did excellent work and were professional. Thanks for the good work.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48334

January 26, 2021

“Damon was very professional and informative. He got my furnace running like new and shared info about keeping it safe. Honest, prompt and competent best describe Damon.”

Continue Reading

Gas Furnace Maintenance in Southfield, MI 48076

January 25, 2021

“Courteous & efficient”

Continue Reading

Gas Furnace Replacement in Farmington Hills, MI 48335

January 24, 2021

“The team replacing my old broken furnace were professional and friendly. They kept going out of their way to make sure I was completely informed and happy with their work. I plan on continuing giving this company my business whenever I need it.”

Continue Reading

Gas Furnace Maintenance in Canton, MI 48188

January 15, 2021

“Rodney came out to do a cleaning today. He also changed my filter and my humidifier pad. He was professional & courteous and kept us informed about what he was doing. A very nice experience.”

Continue Reading

Gas Furnace Repair in Novi, MI 48375

January 11, 2021

“John is a great person and technician, he was courteous, he got on time and make a very thorough analysis of the problem and made the recommendations to fix and keep the furnace working. I would like to recommend that john get the proper compensation for his work , he is amazing !”

Continue Reading

Furnace Inspection in Sterling Heights, MI 48314

January 7, 2021

“Rodney came out to do an inspection/estimate on some leaking furnace pipes. He identified the problem right away and thoroughly explained how it could be fixed, answering any questions & concerns. He also showed me how to adjust the humidifier, replace the humdifier filter and clear out the filter pump/filter tubes. Super helpful for a…

Continue Reading

Gas Furnace Maintenance in Westland, MI 48186

January 6, 2021

“Very professional and polite young men. John and Mitch did a very good job.”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

January 3, 2021

“Rob came to the house to perform a furnace inspection and routine maintenance. He was professional and personable!!! He was very considerate regarding Covid safety and kept his mask on the entire time. First time using Harriman and will definitely use again and definitely refer to family and friends.”

Continue Reading

Gas Furnace Installation in Ferndale, MI 48220

December 28, 2020

“Feel free to edit as needed. This review is for all interactions with Harriman personnel from initial service call to final installation. John – Very impressed with how thorough this young man's inspection was and how quickly he was able to diagnose the issue. He was very polite and explained the situation thoroughly. I was…

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

December 15, 2020

“Service Tech – John G. Very helpful. Keeps work area clean. Excellent personality. Respectful of customer property and customer well being. John knew his job, was efficient and explained the service performed.”

Continue Reading

Gas Furnace Maintenance in Northville, MI 48167

December 14, 2020

“John G was professional and courteous. We hope to see him again for our next yearly maintenance.”

Continue Reading

Gas Furnace Maintenance in Ann Arbor, MI 48103-9679

December 13, 2020

“Hello, Jason S. was my service person today for a routine annual furnace service call.  He was courteous efficient and answered a couple of questions I needed to know.  Thank you for hiring such wonderful respectful persons. Karen Kerns6655 Jackson rd., #697Ann Arbor, MI  48103″

Continue Reading

Gas Furnace Maintenance in South Lyon, MI 48178

December 8, 2020

“Technician John G did an excellent job for us today (8 DEC 2020). He was professional, prompt, and knowledgeable. We will ask for him next time.”

Continue Reading

Gas Furnace Maintenance in Ypsilanti, MI 48197

December 8, 2020

“Jason was professional and provided me with useful information about my furnace.”

Continue Reading

Gas Furnace Repair in Ypsilanti, MI 48198

December 4, 2020

“John G was very timely in arriving, and very pleasant throughout. He was thorough in assessing the problems we were having and did an excellent job of explaining everything to us. He is arranging for us to get our very old thermostat replaced. We look forward to further great service from Harriman's!”

Continue Reading

Gas Furnace Maintenance in Northville, MI 48168

December 3, 2020

“Damon M. was the tech that services our furnace. He was very professional, courteous and highly qualified and helpful. He answered all my questions. Didn't feel rushed at all. A very nice visit. Thank you, I. Pauley”

Continue Reading

Gas Furnace Maintenance in Romulus, MI 48174

December 2, 2020

“Very thankful for Jason's prompt and complete service. He was knowledgeable, courteous, and thorough. I appreciated his look to the future of maintenance on furnace and AC.”

Continue Reading

Gas Furnace Repair in Livonia, MI 48152

November 26, 2020

“John G. did a great job fixing our furnace. Very happy with the work. Thank you!”

Continue Reading

Gas Furnace Maintenance in Madison Heights, MI 48071

November 25, 2020

“Technician, John G….very thorough…went over few items he felt would definitely improve my furnace productivity. Will likely consider doing at least 2 of recommendations he made, hopefully by spring.”

Continue Reading

Gas Furnace Repair in Farmington Hills, MI 48336

November 24, 2020

“Great service. John G. Knew exactly what to do. Explained the issue clearly and his explanation made sense. Fourth company to check the furnace and first to actually solve the problem and solved it quickly. Thanks John.”

Continue Reading

Gas Furnace Maintenance in Canton, MI 48187

November 23, 2020

“Jason S. was professional and knowledgeable.”

Continue Reading

Gas Furnace Installation in Novi, MI 48375

November 21, 2020

“Jay and Mike did a great job on our gas furnace installation this past week. They followed safety protocols and the installation looks and is working great. Harriman is our go-to service provide for heating and air-conditioning needs!”

Continue Reading

Gas Furnace Replacement in Ypsilanti, MI 48198

November 19, 2020

“Justin was efficient, knowledgeable, pleasant, and able to deliver bad news with a good attitude. Unfortunately we started out as a simple service call, and then it escalated into a new furnace. That said, Justin patiently explained the issue, and showed us exactly what the issue was, and why we needed to replace the furnace.…

Continue Reading

Gas Furnace Maintenance in Redford Township, MI 48239

November 18, 2020

“Once again received excellent, professional service from Justin during fall furnace maintenance.”

Continue Reading

Gas Furnace Maintenance in Northville, MI 48168-2017

November 18, 2020

“fine”

Continue Reading

Gas Furnace Maintenance in Dearborn, MI 48128

November 17, 2020

“Not only did Jason do the service exceptionally, but he also explained everything and made sure I didn't have any questions.”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

November 17, 2020

“I was very impressed with John’s professionalism and knowledge of his work. I called for service because my thermostat stopped working and he came promptly the next day. Not only did he take care of my thermostat problem, but he checked out my furnace too.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

November 17, 2020

“Daman was great!”

Continue Reading

Gas Furnace Maintenance in Ann Arbor, MI 48105

November 13, 2020

“John G. was our tech. He also did my A/C tune up last summer. He's fantastic. Very personable great knowledge base and does what's necessary for the task at hand. He made sure to also point out other items that we should take care of to ensure our system runs as it should. Very happy…

Continue Reading

Gas Furnace Maintenance in Grosse Ile, MI 48138

November 13, 2020

“Jason was very friendly, not pushy. I did buy a maintainance package as my furnace is getting old. He did more with checking everything than any other repairman has done. I was impressed.”

Continue Reading

Gas Furnace Maintenance in Canton, MI 48187

November 12, 2020

“The technician who responded to our call was excellent. His name is Damon M. I first noticed how careful he was to take proper health precautions, wearing a mask, and putting shoe coverings on before entering the house. He was friendly, personable, professional and carefully considered all possible concerns. Thank you for getting our heat…

Continue Reading

Gas Furnace Repair in Farmington Hills, MI 48334

November 12, 2020

“John G. is a stud! This man rolls up with just a rough idea of what we were dealing with (based on my best non-professional description) and was able to diagnose the problem with my furnace quickly AND ACCURATELY. Beyond that he provided a level of transparency, knowledge, and clarity that left me with a…

Continue Reading

Gas Furnace Repair in Southfield, MI 48076

November 12, 2020

“John G. Excellent service, friendly and professional. Complete diagnostic. Handled issue quickly.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48154

November 11, 2020

“I would definitely recommend your company to my family and friends in the future. My technician, Damon, was not only very personable but most importantly very knowledgeable. I had no doubt that when he left, my furnace had been thoroughly checked and it should be operating well for the upcoming winter months. I would definitely…

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48336

November 10, 2020

“The technician, Damon, was prompt, courteous, pleasant and professional. He recommended the installation of a Surge Protective Device and explained the rationale for the installation. I bought it on his recommendation. He is an asset to your organization.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48331

November 9, 2020

“Damon M. came out to service our furnace for our annual maintenance. Friendly attitude. Provided good overview of services.”

Continue Reading

Gas Furnace Maintenance in Northville, MI 48167

November 9, 2020

“Arrived on time, was courteous, answered my questions and, provided some new information.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48154

November 7, 2020

“Harriman Heating performed the annual furnace maintenance and cleaning. John was the technician. The cleaning and inspection was extremely thorough and involved a second technician supervisor. They concluded that my furnace would probably need to be replaced soon, but was not in immediate danger of failure. This will help me plan to replace my unit…

Continue Reading

Gas Furnace Installation in Westland, MI 48186

November 6, 2020

“Installers were polite, thorough, and took the time to answer any and all questions I had to make sure I was comfortable with the new system.”

Continue Reading

Gas Furnace Repair in Plymouth, MI 48188

November 6, 2020

“excellent work”

Continue Reading

Gas Furnace Repair in Belleville, MI 48111

November 5, 2020

“Brent did a great job repairing our furnace a few weeks ago. He discussed the benefits of having an Air Scrubber so we had one installed by Jon today. The installation went well. The only concern I have with Harriman is the way the take your charge card payment, I don’t feel it is very…

Continue Reading

Gas Furnace Maintenance in Taylor, MI 48180-8102

November 4, 2020

“Robert was very professional and efficient. He answered all our questions and installed the surge protector in a timely manner.”

Continue Reading

Gas Furnace Maintenance in New Hudson, MI 48165

November 4, 2020

“John (Gnass)? Did an excellent job today with maintenance on our new furnace from you which was installed last year. He was friendly, efficient and recommended a surge protector which he did install. I also appreciated the call from the office notifying me when he was on his way.”

Continue Reading

Gas Furnace Repair in Lincoln Park, MI 48146

November 4, 2020

“The appointment was done in a prompt amount of time. The service was done fast and clean. I enjoyed having Robert over my home fixing my furnace.”

Continue Reading

Gas Furnace Maintenance in Milford, MI 48380

October 30, 2020

“Today I had my annual yearly maintenance check up on my gas furnace by Robert. He was very professional and an enjoyable young man. He is an asset to your company, and I give him a high five! Thank you for getting to me sooner than my scheduled appointment which was to be next week.…

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

October 29, 2020

“Could not have asked for anyone as nice or can do the work as well.Harvey Karp and I am very satisfied.”

Continue Reading

Gas Furnace Maintenance in New Hudson, MI 48165

October 29, 2020

“My experience with Harriman was wonderful from the initial phone call to end of the maintenance service. The technician Robert was wonderful. He was polite and helpful. I will definitely use them again and will recommend them to my family and friends.”

Continue Reading

Gas Furnace Maintenance in Ypsilanti, MI 48197

October 29, 2020

“Robert did a very good and thorough job today on my furnace, cleaning and checking.”

Continue Reading

Gas Furnace Maintenance in Birmingham, MI 48009

October 27, 2020

“Jon and Al were very professional and answered all my concerns. I would recommend them to friends and family.”

Continue Reading

Gas Furnace Maintenance in Troy, MI 48098

October 23, 2020

“Was pleased that my wife's call for service was immediately scheduled for the next day. Initially was disappointed when the requested service call was canceled the morning of the scheduled day (but understand why: misunderstanding). Very pleased the visit was rescheduled for the day originally promised after I called. Jon was very knowledgable, diligently examined…

Continue Reading

Gas Furnace Maintenance in South Lyon, MI 48178

October 15, 2020

“I had Jon Harriman and Jason our to clean our furnace. They noticed we had erosion on our water heater and we were able to get out in front of a catastrophic event by scheduling a replacement. They were very nice and helpful.”

Continue Reading

Gas Furnace Maintenance in Ypsilanti, MI 48197

October 13, 2020

“We had our annual furnace inspection/cleaning done today by Brent. The knowledge and professionalism shown by him is the reason we have continued to use Harriman for our HVAC needs. He gave me a few tips on the most efficient way to run our systems and some other features that we can add on in…

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48154

October 13, 2020

“Robert was kind and patient with me explaining our situation. Which, as it turns out, was nothing. He's right, our air filter needs replacement (done on Holloween). See you next spring for a check up on the Air Conditioner.”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

October 11, 2020

“Very professional and explained service. Jason S and John H”

Continue Reading

Gas Furnace Maintenance in Livonia, MI 48152

October 9, 2020

“Robert was very polite and seemed to do a great job. Answered all our questions.”

Continue Reading

Gas Furnace Repair in Novi, MI 48375

October 8, 2020

“Pleasant crew, got the furnace fixed.”

Continue Reading

Gas Furnace Repair in Livonia, MI 48152

October 8, 2020

“Rob and Jon H were very helpful during their service call. They were very professional and followed all protocols during the pandemic. They thoroughly explained the problem and completed the request in a timely fashion.”

Continue Reading

Gas Furnace Repair in Livonia, MI 48154

October 6, 2020

“Our technicians Jon Harriman and Jason S. were great. They provided the service and information that we needed. They were friendly and polite. Thank you!”

Continue Reading

Gas Furnace Maintenance in Royal Oak, MI 48073

October 2, 2020

“Justin seemed to know the furnace business well, was polite, patient, and thorough. I plan to have Harriman’s do a small upgrade to my furnace later this fall.”

Continue Reading

Gas Furnace Maintenance in Farmington Hills, MI 48335

September 28, 2020

“Jon, and Chuck were on time, professional with their introduction. Entered our home, and stayed within the guidelines for Social Distance safety. After the furnace cleaning, they provided clear explanation of today's service, available warranties, and advice for future maintenance/service. We are very pleased with today's visit, and will call upon Harriman in the future.”

Continue Reading

Gas Furnace Maintenance in Westland, MI 48186

September 28, 2020

“Robert arrived at my home promptly after being notified by the office. He asked a few general questions about my heating/cooling experiences in my home and then proceeded to inspect my furnace per the terms of my maintenance plan. He was very personable and easy to talk with. Once the job was complete he advised…

Continue Reading

Gas Furnace Maintenance in South Lyon, MI 48178

September 23, 2020

“Justin was very professional and explained in detail what needed to be done to ensure a long life from my newer furnace that was in-properly installed by another dealer”

Continue Reading

Gas Furnace Maintenance in Plymouth, MI 48170

September 22, 2020

“Jon Harriman was very polite and professional! He was right on time and very knowledgeable on his work! Thank you for the help Jon!!”

Continue Reading

Gas Furnace Maintenance in Novi, MI 48375

September 18, 2020

“Thorough review of my current unit, pointed out the issues as he addressed them. Good experience.”

Continue Reading

Gas Furnace Maintenance in Canton, MI 48188

September 17, 2020

“Jon Harriman was courteous and helpful in trying to figure out our humidity issue with a new furnace and AC unit.”

Continue Reading

Gas Furnace Replacement in Farmington Hills, MI 48335

September 3, 2020

“I could not be happier with the service I receive from Harriman. This is the third time I have used this company and I am never disappointed. This time my old furnace was not able to be repaired but John H. and Robert, with masks and foot coverings, helped me choose a product that suited…

Continue Reading

Gas Furnace Maintenance in Westland, MI 48185

June 25, 2020

“We love Harriman! They have been great to us over the years. John is always professional and efficient.”

Continue Reading

Gas Furnace Repair in Farmington Hills, MI 48336

March 5, 2020

“Steve was great! He is very personable and engaging. He cleaned up and took any debris created by the repair with him. He did need to return the next day because he needed another part. We had to go out of town but Steve and the dispatcher managed to fit us into the schedule so…

Continue Reading

These guys were great!

December 15, 2019

These guys were great. Heat died in the middle of the night. Froze all night til I could call around in the morning. Called many places that wanted to schedule me out a few days. These guys (James) . Came right out and had me fixed up by mid day. These guys Will always be…

Continue Reading

EXCELLENT

November 2, 2019

EXCELLENT experience once again with Harriman’s from point of sale with Jeff, to installation with Shane and Josh. Professional, great installation and workmanship, and very pleased with our Amana furnace choice and accessories. The new Air Cleaner also makes the air in the home feel lighter, cleaner and fresher, as well as healthier. Very happy…

Continue Reading