Your Homegrown Frederick, MD HVAC Contractor

"Everybody Raves For Daves"

Need Help With Your HVAC System?

We offer a full range of HVAC installation and repair services including air conditioners, boilers, furnaces, water heaters, air duct cleaning, and even ductless air conditioners.

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:
The Best Frederick HVAC Company


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.

The Team at Dave's Cooling and Heating of Frederick MD

You Can Count On Us For All Your Heating and Cooling Needs!

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 Frederick’s best HVAC 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. We also offer air duct cleaning!

Did you search for "HVAC Repair Near Me"?

If you are looking for the best HVAC repair in Frederick, then Dave’s Cooling and Heating is the company for you! At Dave’s, we take great pride that every single member of our team is trained and certified. That’s why you can rely on us for all your Frederick HVAC services – whether it be an emergency fix or new installation! We make sure your home stays running smoothly by providing reliable solutions backed up with exceptional service!

Some of Our Work

Mitsubishi Electric Ductless Mini Split

We are a Mitsubishi Diamond Contractor meaning we are the best company to help you pick and install your new Mitsubishi system in the Frederick, MD area!
Need HVAC Tips?
Heat Pump Maintenance Tips

Heat pumps have been becoming popular among homeowners as people switch to electric HVAC systems.  They’re two-way systems, which means they keep your home cool

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