Heating or Cooling Problem? We Can Help
When your furnace, heat pump, geothermal system or air conditioner stops working, you want someone who knows the equipment and shows up when they say they will. D. Miller Mechanical repairs all major heating and cooling systems for homes across Northeast Ohio.
We find the real cause of the problem, explain your options in plain language, and fix it right the first time.
Get A Quote!We find the real cause of the problem, explain your options in plain language, and fix it right the first time.
Our HVAC Repair Services
We repair every type of system we install:
- Geothermal Repair: Diagnosis and repair of ground-source heat pumps, including loop, pump, airflow and refrigerant problems. Geothermal systems need technicians who know them, and they are one of our specialties.
- Heat Pump Repair: Repairs for air-source heat pumps that are short-cycling, blowing cold air, icing up or running nonstop.
- Furnace Repair: Gas and electric furnace repair, from ignition and blower problems to thermostats and airflow issues.
- Air Conditioning Repair: A/C repair for systems that won't cool, leak water, make strange noises or keep tripping the breaker.
Where We Provide HVAC Repair in Ohio
We repair heating and cooling systems for homeowners throughout Northeast Ohio, including:
- Stark County
- Columbiana County
- Carroll County
- Mahoning County
- Portage County
- Tuscarawas County
- Lake Mohawk
Keeping Our Customers Comfortable & Happy
See what our customers have to say about us...
Over the years we've had the privilege to serve customers from Stark, Columbiana, Carroll, Mahoning, Portage, Tuscarawas and the surrounding Ohio counties. We appreciate all the friends we've made and the referrals we've received from our happy clients.
Check out our Google reviews, and leave us your own if you've enjoyed working with us.
Check out our Google reviews, and leave us your own if you've enjoyed working with us.
D. Miller Mechanical, LLC
25299 Sandy Spring Rd, Minerva
- He was out of town so he could not come to my home when my A/C went out, but he was kind enough to call me back promptly and also took the time to walk my husband through a couple things … More that may have been the problem. So kind of him to take the time to help us even though it did not financially benefit him, he referred us to someone else that may be able to help us sooner as well.
- I found D. Miller through Chat GPT when I searched local, reputable HVAC companies. All of the reviews had me sold on contacting Dwight to repair my A/C issues. He was very communicative … More and took care of my issue quickly and without raking me over the coals. I would recommend him and his team to anyone looking for a professional HVAC company. Thank you all so much for getting my air back up and running.
- We have been lucky enough to have D. Miller Mechanical do two separate installs for us. On both, they have been very knowledgeable, professional, courteous, and receptive through the whole … More process. I highly recommend if you’re in the market to give them a call and find out yourselves!
- Honest family run business,with a Christian witness to the community helping others offering a fair price and quality equipment.... blessings to you and keep up the great work....
Why Choose D. Miller Mechanical for HVAC Repair?
We've been keeping Northeast Ohio homes comfortable since 1992. As a family-owned company, we treat every repair like it's for a neighbor: an honest diagnosis, fair pricing, and no pressure to replace equipment that can still be repaired.
Because we install the same kinds of systems we repair, we know them inside and out, and that means faster, longer-lasting fixes.
Because we install the same kinds of systems we repair, we know them inside and out, and that means faster, longer-lasting fixes.
- In business since 1992
- Family-owned and operated
- 5-Star Google Business Rating
- Designed & installed by the same team
- Excellent Warranties
