HVAC companies in Gaithersburg, MD 20878
4 HVAC companies, with local market data for this ZIP.
General contractors 44Remodeling 6HVAC 4Carpentry, drywall and windows 4Flooring and tile 3Roofing and exteriors 3Garage doors 2Concrete and masonry 2Electricians 2Fences and decks 1Excavation and demolition 1Painting 1
Area profitability, HVAC78 / 100Strong market, balanced field
Typical home value$681,000−0.6% in the past year
New homes permitted, 20251,411Montgomery County
Homeowners69.2%24,337 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
A & K Heating & Air ConditioningHVAC contractor · 11 Fenceline Dr, Gaithersburg(240) 252-1764 · akinstallation.com
AirPro Heating & CoolingHVAC contractor · 14701 Maine Cove Ter, North Potomac(240) 498-6588 · airpromd.com
BolandHVAC contractor · 30 W Watkins Mill Rd, Gaithersburg(240) 306-3000 · boland.com
United Air TempHVAC contractor · 845 Quince Orchard Blvd Ste E, Gaithersburg(410) 709-8977 · unitedairtemp.com
HVAC in ZIP 20878 at a glance
Local building angle: Montgomery County permitted 1,411 new homes in 2025, including 559 apartment units. 22% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.