HVAC companies in Rockville, MD 20850
11 HVAC companies, with local market data for this ZIP.
General contractors 76Roofing and exteriors 18HVAC 11Remodeling 8Other construction trades 7Electricians 6Concrete and masonry 6Painting 5Flooring and tile 3Garage doors 3Fences and decks 2Carpentry, drywall and windows 1
Area profitability, HVAC70 / 100Strong market, crowded field
Typical home value$671,000−1.1% in the past year
New homes permitted, 20251,411Montgomery County
Homeowners50.3%21,131 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Ac's Mechanical ServicesHVAC contractor · 15 W Montgomery Ave, Rockville(301) 536-2255 · acsmechanicalservice.com
Air SupplyHVAC contractor · 14672 Southlawn Ln M, Rockville(240) 982-5023 · airsupplymd.com
Davis Ford Heating & Air ConditioningHVAC contractor · 110 N Washington St Ste 410, Rockville(833) 455-5127 · davis-ford.com
Donmar Heating, Cooling & PlumbingHVAC contractor · 1106 Taft St, Rockville(301) 250-1899 · donmarcompany.com
F.H. Furr Plumbing, Heating, Air Conditioning & ElectricalHVAC contractor · 685 Lofstrand Ln, Rockville(703) 497-0180 · fhfurr.com
HkhhvacHVAC contractor · 1 Research Ct Ste 450, Rockville(240) 872-6739 · hkhhvac.com
KBM Mechanical ServicesHVAC contractor · 451 Hungerford Dr, 143, Rockville(240) 778-9063 · kbmmechanicalservices.com
Purifox RockvilleHVAC contractor · Rockville, Laurel(571) 244-6485 · purifoxllc.com
Quality Air Services, LLCHVAC contractor · 655 N Horners Lane, Rockville(301) 893-7778 · qualityairservices.com · 19 drivers, 1 truck
Richard's Heating & Air Conditioning Co., Inc.HVAC contractor · 1105 Taft St, Rockville(301) 417-2455 · richardsac.com
Robinson's Air Conditioning & HeatingHVAC contractor · 671 Southlawn Ln, Rockville(301) 871-8902 · hvaccontractorrockville.com
HVAC in ZIP 20850 at a glance
Local building angle: Montgomery County permitted 1,411 new homes in 2025, including 559 apartment units. 44% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.