Frederick Air Conditioning and Heating is the premier Heating, Ventilation and Air Conditioning (HVAC) service provider in the Frederick County region of Maryland. For the last 20 years, our team of contractors have worked with residential and commercial clients and provided the best air quality systems at an affordable price. We are one of the premier HVAC Frederick MD companies and provide a complete range of services to our clients, including AC repair Frederick MD, furnace repair, air conditioning maintenance, thermal comfort, heat pump repair, boiler repair, furnace installation, emergency assistance and much more. One phone call to Frederick Air Conditioning and Heating is all you need to get air conditioning repair, heating repair, maintenance, and installation services at your doorstep.