John

John

John

Service Technician

4 Reviews

Air Conditioner Maintenance in Novi, MI 48377

“John was very professional and explained everything that he did as well as explain additional services.”

- Ilene J.

Air Conditioner Maintenance in Canton, MI 48187

“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.”

- Enrique C.

Power Loss/Thermostat Replacement in Northville, MI 48168

“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”

- ilenep p.

Air Conditioner Maintenance in Westland, MI 48185

“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+.”

- David P.

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Call us at 734-271-6200!