Family owned GEOTHERMAL Heat Pump & Furnace Repair & installation
We install and service heat pumps, geothermal, and traditional heating and air conditioning systems in Northeast Ohio. We're family owned and operated and have been in business for 14 years with excellent reviews. DMiller Mechanical will meet all of your HVAC needs.
Our Services
If you want to stay warm in the winter and cool in the summer and save some money on your utility bills you're at the right place! We loving making home comfortable and comfort systems more efficient.
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Air Conditioning Installation
Get a quality air conditioning system and enjoy a cool house for many years. We'll size your AC unit correctly and install it professionally.
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Furnace Installation
Need a new furnace? We can recommend the perfect one for you and install it quickly and professionally.
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Geothermal Installation
Use the ground around your house to heat and cool it year-round! Geothermal is a super-efficient way to keep your home comfy.
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Heat Pump Installation
Heat Pumps can pull heat from the air to keep you warm in the winter and double as an air conditioner in the summer while saving you money.
See DetailsHeat Pump Repair
When your Heat Pump System needs expert repairs or maintenance, call us for expert repair and maintenance! With years of experience, we've got you covered. Request a quote today!
See DetailsGeothermal Repair
Geothermal systems are generally pretty low-maintenance but sometimes they need repairs. That is when you need a professional! Give us a call and we will get your system running smoothly.
See DetailsKeeping Our Customers Comfortable & Happy
Check out our Google and Home Advisor reviews and leave us your own if you've enjoyed working with us.
D. Miller Mechanical, LLC
25299 Sandy Spring Road, Minerva
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D Miller Mechanical came and cleaned my coil, optimized my blower, and installed larger return air ducts to make my system more efficient.
They also recommended installing an entire house … More humidifier system. This was a game changer! I highly recommend them if you would like to work with a company that is punctual, honest, and knows their stuff! -
These guys are great! They removed my old beast of an oil furnace and replaced it with a high-efficiency natural gas unit. During the sales process, Dwight was very helpful in recommending … More options to save money. I would definitely hire them again!
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Dwight and his team have bailed us out more than once. First, he was the most responsive in an emergency call, and did amazing work for us. Then he later replaced the whole heating and … More cooling system, plus installed a wireless smart thermostat, and did amazing work. He communicates well, overdelivers, is prompt, does great quality work, really cares about the ultimate outcomes, and is just a pleasure to work with. We will keep using him for all our needs.
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Dwight is professional and very knowledgeable about furnace systems. He is honest about what you actually need and will do high quality work. He replaced my geothermal furnace and did a … More great clean job on the install. I would highly recommend using him for all of your heat/air conditioner furnace needs. Thanks for a great job!
A Trustworthy HVAC Company Built by a Family
A great reputation
Proverbs 22:1 says "A good name is more desirable than great riches". That's so true and it's how we run our business here in Northeast Ohio.
In business since 1992
We've been working hard and keeping customers comfortable since before most people had internet. A lot has changed in the world since then and our family has grown up a lot but we still run our business the same way.
Quality equipment - Expert installers
We don't play the price game because that means selling inferior equipment. We work with equipment we know will last because we've seen it last. Brands like Bosch, Carrier, and Bryant.
Frequently asked questions
Here are some questions we get asked pretty often so let's go ahead and answer them. If you still have questions please contact us.
Contact usWe install and service in Stark, Columbiana, Carrol, Mahoning, Portage, Tuscarawas, and all surrounding counties in Ohio.
Absolutely! Heats pumps systems are much more efficient than they used to be and are extremely efficient even in cold weather. You will still need a backup heat source for an air exchange heat pump system but most of the time you won’t need to use it.
A geothermal system harnesses the heat trapped underground to heat your house. By laying a series of pipes several feet below the surface of your yard, we can use the difference between the ground temperature and air temperature to keep your house warm in the winter and cool and you comfortable while saving you money!
Yes! Most new equipment we install qualifies for federal tax credits up to $3,200 per year. There are credits available for new heat pump systems, air conditioners, furnaces, boilers, geothermal systems, and even new hot water heaters. See details here: https://www.energystar.gov/about/federal_tax_credits/non_business_energy_property_tax_credits