Your Homegrown Frederick, MD Air Conditioning Contractor

"Everybody Raves For Daves"

Need Help With Your HVAC System?

"Everybody Raves For Daves"

Need Help With Your HVAC System?

We offer a full range of HVAC Contractor Services including Heating Repair, AC installation, AC Repair, Air Duct Cleaning, Furnace Repair, Boiler Repair, Ductless Systems and more to go along with our award-winning customer satisfaction guarantee.

Air Conditioning Services

Here at Dave’s Cooling & Heating, we understand how important it is to stay cool when the summer temperatures begin to climb. We have service technicians on call around the clock to make sure you have the support you need. Dave’s Cooling & Heating offers a wide range of Frederick Maryland Air Conditioner Repair cooling solutions to our customers. These range from new energy efficient AC installations all the way to quick and convenient AC repairs. Including ductless mini split installations! Above all, our technicians are highly trained, professionally licensed and certified, and are able to quickly diagnose and repair your cooling problems. Because of our expertise, you can also count on us for water heater replacement.

Heating Services

In Maryland, our winter months can be truly hard to handle. With temperatures plummeting to the single digits and snow almost always around the corner, it is of vital importance that your heating system is functional and ready to work. At Dave’s Cooling & Heating, we provide access to some of the best Mitsubishi and Lennox systems available. If you are looking to replace your old heating system, we are the team you can trust to get the job done quickly and effectively. Our furnace installation services are just a small part of the solutions that our heating services can provide. We also offer extensive Frederick County Maryland heating system maintenance and heating system repair services.

Emergency HVAC Services

Your heating system and cooling system can break unexpectedly, anytime of day. That's why we offer emergency HVAC service - so we are there when you need us!

The Dave's Difference:
An HVAC Contractor You Can Trust


Our technicians receive consistent, factory authorised training to keep up with the latest technology and best practices. We have over 100 years of experience between our staff of around 20 - so you can rest easy knowing you're in great hands.


We pride ourselves in doing the best work possible to ensure that your HVAC equipment runs better and lasts much longer. And so it does not cause you more problems and more money down the line.


Unlike the big box companies, we provide you with all the information with complete transparency. Our goal is to provide you with all the options and solutions that fit your unique circumstances, so you can feel confident that you are making the best decision for you!


We are here when you need us and will be here. We do what we say we will do and we are always on time. We've built a reputation on being consistent, reliable and on time with our HVAC services.

You Can Count On Us

Dave’s Cooling & Heating was established in 2006 as a family owned HVAC contractor. Our goal from the beginning was to provide our customers with services that they could count on from people that they could trust. As a result, we know how important it is to provide our local community with professional services at affordable prices. With 14 employees on staff and more than 100 years of industry experience on our side, Dave’s Cooling & Heating is ready to help you out today with all of your Frederick County Maryland air conditioner repair needs. We are an authorized contractor for First Energy/Potomac Edison, BGE, and PEPCO utility rebates. 

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