John

John
Service Technician
65 Reviews
“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!”
“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.”
“Me and my wife would like to say a big thank you to John G for his help. Good luck with trying to dunk your boss in the dunk tank. Lol. Hopefully we can see that on Facebook.”
“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”
“John is a great technician solve the problem with my a/c, and made sure that everything was running properly. He's very thorough, I can't thank him enough”
“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.”
“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.”
“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.”
“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.”
“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.”
“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.”
“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!”
“Arrived when expected. Efficient and timely service. Cordial and patient with my questions and concerns.”
“John G was great! Explained everything he did very well and made suggestions, but wasn’t pushy. I will definitely use Harriman again.”
“John G explained what’s going on my furnace and I’m happy with his work.”
“John G did an excellent job, was very professional, timely and informative. I will recomend Harriman to my friends and specifically John.”
“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.”
“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.”
“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!”
“JOHN IS VERY KNOWLEDGEABLE AND DOES HIS BEST TO PROVIDE GOOD CUSTOMER SERVICE.”
“John was very knowledgeable and explained what needed to be done to get the furnace back up and running. Great job!”
“John was informed, knowledgeable thorough and effective. Impressive. And greatly appreciated.”
“John was out this morning to service our furnace. He was courteous, professional and pleasant! Couldn’t ask for more!”
“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!”
“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!”
“John was great and provided some very helpful advise with furnace filter and humidifier.”
“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.”
“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!”
“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!”
“John G was timely, courteous, and fixed my problem in short order.”
“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.”
“Great guy great personality It’s very knowledgeable Answer all my questions All service industries should have a guy like John G”
“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.”
“John G did a great job, he wasn’t in a rush and awnsered my questions”
“John G. Was on time, professional and extremely knowledgeable. I would request John G. for any further
Repairs or maintenance.”
“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.”
“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.”
“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.”
“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!”
“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.”
“Great job! Kept the area clean and had great customer service, thanks.”
“John G did an amazing job. Went above and beyond with a simple AC tune up. I will be recommending him for all my HVAC needs moving forward with Harriman.”
“Mitch & John G were an amazing energetic team. Both service professionals went “over and above” to handle our needs.
I can only hope in the future when I call for service we will be fortunate enough to have one or both to complete our job!
Thanks HARRIMAN!!!”
“John G was very helpful and explained info on heating system operation.”
“John G. (and Josh) were professional, explained the situation, and finished the job in a timely courteous manner. Thank you!”
“I am very happy with the professional service I received today from this duo. Over and above what I have experienced for this same service in the past several years. John had his service record facts all ready for any questions I had and they even upsold me on a surge protector I had no idea was a thing!!! See ya next year guys!”
“I strongly recommend both John and Josh for been spirited individuals with willingness
to help and friendly minded with respect.
Thank You!”
“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 time. – essentially about 24 hours from call the completed repair.”
“John did a great job cleaning furnace, checking filters. He suggested a surge protector for my furnace. Very friendly and I appreciated his suggestions.”
“Did a great job. They went beyond in explaining things and more than answered all my questions”
“John G was very professional and helpful. He did a great job for me. Thank you, John!”
“John G. was very courteous and professional. I would highly recommend him.”
“John was very thorough and gave great customer service.”
“John G was helpful, professional, and informative.”
“Got a yearly check up for my system. Great job as always. Thanks”
“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 warranty and it was recommended that a surge protector be installed. The power in the area does go off frequently and I never thought about putting a surge protector for a furnace but it does make sense. John was not pushy about putting one on, explained the pros and cons and let me make up my mind. He put one on in about 5 minutes and I do feel better about having this on the furnace.
Will call them again in a minute.”
“Excellent tech…very professional and knowledgeable, great overall service. I'd like to have the same tech for future service.”
“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 !”
“John was very professional and explained everything that he did as well as explain additional services.”
“We had a complementary AC maintenance system with Harriman this summer. John quickly came and checked all aspects of the system, giving me recommendations and suggestions along the way. His service was excellent and on point! I ended up installing a power surge suppressor in my compressor just to increase the life of my investment. Thanks for your help John G. ! I appreciate it.”
“I just had robert and jon H for aid on the thermostate in our home. It was a very pleasurable visit and repair. They were so helpful and not in a rush to get the repair done and took all the time needed to help us. They were so professional and helpful and felt so confident when they left that all will be just fine. I just want to say they were super. Thank you, Ilene Pauley”
“I must say that I had a really pleasurable experience with the gentleman that performed maintenance on my air conditioning unit today. John Gnass was the technician. As he checked the system, he explained the entire process. I was very happy and John earned an A+.”