Gas Furnace Maintenance in Bloomfield Hills, MI 48304

“Mr. Mayes was so efficient and helpful. He has a cheerful, supportive personality. I think he does a great job.”
- onjel b.

Gas Furnace Maintenance in Farmington Hills, MI 48336

“Great service!”

- Michael M.

Heat Pump Installation in Troy, MI 48098

“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.

Gas Furnace Replacement in Troy, MI 48098

“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.

Gas Furnace Repair in Livonia, MI 48154

“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.

Gas Furnace Maintenance in Plymouth, MI 48170

“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.

Water Heater Maintenance in Livonia, MI 48150

“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.

Gas Furnace Replacement in Redford, MI 48239

“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.

Gas Furnace Replacement in Farmington Hills, MI 48146

“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.”


Gas Furnace Repair in Ypsilanti Township, MI 48197

“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.
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Call us at 734-271-6200!