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We are so happy to have learned about local contractor, Markgraf Mechanical, Inc. a couple of years ago when we had an emergency. Gary was prompt with his response, checked our heating, air conditioning and water heater and repaired what was necessary. He has been our 'guy' ever since. Gary & Tammy are so nice to work with; listen to us and advise what's needed.

Markgraf Mechanical, Inc. offers heating, ventilation and air conditioning service. This family-owned business will work hard to provide the highest quality products and workmanship for your home or business.
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Prior to starting Markgraf Mechanical, Inc., Gary graduated from Northeast Metro Technical College in 1991 in Heating & Air Conditioning Equipment Sales & Service. He worked for a few other companies prior to starting Markgraf Mechanical, Inc. in September of 2002. Gary also has his Universal EPA Certification, Power Limited Electrical License, Master Ventilation License and Warm Air License.
Reviews (9)
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John M.
Dec 17, 2021
Markgraf Mechanical installed and has maintained my high efficiency natural gas boiler. This was installed in 2004 and is still saving me money! It does in floor heating for my kitchen and lower level family room, also an 8' cast iron radiant heat for the basement, and my hot water! He also has installed an A/C unit which is now over 20 years old. They stand behind their work! I highly recommend their services!
Nancy Peltier
Dec 04, 2021
I highly recommend Markgraf Mechanical Inc. for all HVAC and mechanical work. I have relied on Gary & crew for many years from emergency repairs, to a full replacement of a 20+ year old furnace, central air along with some duct work. They are dependable, honest, trustworthy and have affordable pricing. Services: HVAC duct & vent installation, Heating system maintenance, HVAC duct & vent cleaning, HVAC duct & vent repair, Heating system installation, Heating system repair, A/C system repair, Install AC, A/C system maintenance, Install thermostat
Julie London
Jul 13, 2021
Wow, if I could give them a negative rating. I would. The owners son came out and didn't have a clue about what he was doing. He had to call Daddy at least 3 times while I was present. When the kid finally left, he said his Dad would call me. Daddy never called and I just got a bill stating my AC was restricted and needed to be replaced. Their bid was 7K.

I called Markgraf because the previous owners used them. The unit was froze up because the vents were closed and my fan was turned on to run continuously. I was the problem, not my A/C My AC is R22 and yes, it needs to be replaced but I just couldn't afford that this year. On top of it all, they recommended a low budget replacement. 2nd opinion was a top of the line unit for 4K, installed. They had the nerve to send me a bill for $85 dollars. I will certainly pay it, but I most certainly will not recommend them.
Bonnie H.
Mar 10, 2021
We've had them replace our furnace and later our hot water heater and we loved them. We recommended them to our family even. They are a great family buusiness.
Kelley Nemec
Jan 13, 2021
Great service and price. Highly recommend and will use again!
Matthew Daniels
Nov 27, 2020
Scott came out and helped me move an ac unit for a deck project I am working on. They had the best price out of 6 companies I received quotes on and did an awesome job. Definitely recommend.
Kate Lindorff
Jan 25, 2020
Best choice! It was great to work with them. They have a great team They were prompt, polite and professional. Covered everything we talked about. It was a pleasure! Best choice!
Janet Oswald
Dec 29, 2018
They replaced our furnace last year. They were professional and stabd behind their work. I highly recommend them.
Alesha Angel
Apr 15, 2018
When the furnace went out, we called them. The lady assured us we would heat from them soon, to set up a date to come fix it. They never called back. Very rude, poor customer service.