Gas Furnace Maintenance in Canton, MI 48188

“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.

Gas Furnace Maintenance in Livonia, MI 48152



Gas Furnace Repair in Novi, MI 48375

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

- Cheryl M.

Gas Furnace Repair in Van Buren Twsp, MI 48111

“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.

Gas Furnace Repair in Northville, MI 48167

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

- Aaron H.

Gas Furnace Repair in Southfield, MI 48076

“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.

Gas Furnace Maintenance in Plymouth, MI 48170

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

- Jim E.

Gas Furnace Maintenance in Plymouth, MI 48170

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

- Tom C.

Gas Furnace Maintenance in Farmington Hills, MI 48334

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

- Jennifer M.

Gas Furnace Installation in Ann Arbor, MI 48103

“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.
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Call us at 734-271-6200!