

Heating & Cooling Services in Frederick, MD
Thompson BEST HVAC & Fireplace Center provides professional residential heating and air conditioning services in Frederick, Maryland, and the surrounding tristate communities. With more than 45 years of experience, our team helps homeowners stay comfortable year-round with expert HVAC repair, AC repair, furnace service, heating and cooling system installation, replacement, maintenance, and troubleshooting. We service furnaces, central air conditioners, heat pumps, ductless mini-split systems, and other residential comfort equipment. As a proud Lennox Premier Dealer, we offer quality Lennox heating and cooling systems, along with Daikin equipment, including energy-efficient ductless mini-splits.
Need emergency HVAC service? Thompson BEST HVAC provides a 24/7 live answering service for emergency heating and air conditioning repair. Although our Frederick showroom closes at 4:00 PM, homeowners can call 301-662-0600 or our toll free number 866-987-4822 anytime, day or night, for emergency HVAC assistance. Contact Thompson BEST HVAC & Fireplace Center for dependable local service, experienced technicians, and professional home comfort solutions throughout Frederick, Maryland, and nearby communities.
Thompson BEST provides complete Heating and Cooling services, including:
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Air conditioning repair and service
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AC installation and replacement
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Furnace repair and service
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Furnace installation and replacement
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Heat pump service
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Boiler service
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HVAC maintenance
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Heating and cooling system replacement
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Mini Splits
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Thompson BEST HVAC helps homeowners in Frederick, Maryland, explore energy-efficient heating and cooling systems, including qualifying ENERGY STAR® certified products.
Common Heating & Cooling Problems:
AC blowing warm air? We can diagnose the problem and determine whether your system needs repair or replacement.
Furnace not heating? Our technicians can identify the cause and get your heating system operating properly.
HVAC system making unusual noises? Strange sounds can indicate a mechanical or electrical problem that should be checked.
System constantly running? An HVAC system that runs continuously may have an equipment, airflow or thermostat issue.
Repair or replace your HVAC system? We can evaluate the condition and age of your equipment and help you determine the most practical option.
Heating & Cooling Repair, Installation & Maintenance
Whether your system needs a simple repair, routine maintenance or complete replacement, Thompson BEST provides professional service for homeowners throughout the Frederick area. Proper maintenance can also help identify potential problems before they become expensive repairs.

For Peace of Mind join our Priority Club.
Priority Club Members always receive the BEST service! Gold Club members are guaranteed same-day service if you call before noon. See our Gold, Silver and Bronze memberships, each have discounts on service contracts and a special discount for military families.

Why Choose Thompson BEST for Residential HVAC?
45+ years, locally owned/operated, experienced technicians, sheet-metal shop, major equipment brands, superb customer service and an attention to detail.
Residential HVAC Service Areas:
Frederick MD, Hagerstown MD, New Market MD, Thurmont MD, Middletown MD, Ijamsville MD, Walkersville MD, Clarksburg MD, Urbana MD, Boonsboro MD, Monrovia MD, Damasus MD, Brunswick MD, Charlestown WV, Shepherdstown WV, Lovettsville VA




