HVAC companies in Largo, MD 20774
8 HVAC companies, with local market data for this ZIP.
General contractors 37HVAC 8Remodeling 5Excavation and demolition 5Concrete and masonry 3Roofing and exteriors 3Other construction trades 3Painting 3Electricians 3Garage doors 1
Area profitability, HVAC66 / 100Strong market, balanced field
Typical home value$458,000−1.2% in the past year
New homes permitted, 20252,090Prince George's County
Homeowners75.6%20,815 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Aire Serv of Prince Georges CountyHVAC contractor · 9701 Apollo Dr Ste 00-16, Largo(240) 326-2987 · aireserv.com
Belair Engineering and Service Company, Inc.HVAC contractor · 15881 Commerce Ct, Upper Marlboro(301) 249-0300 · belairengineering.com
Boland SupplyHVAC contractor · 9475 Lottsford Rd Ste 160, Largo(240) 306-3100 · boland.com
C & M Home Heating OilHVAC contractor · 8426 Westphalia Rd, Upper Marlboro(301) 336-0065 · candmheatingoil.com
JD AirHVAC contractor · 9701 Apollo Dr Ste 100, Largo(202) 780-6247 · jd-air.net
T&T HVAC and Electrical, LLCHVAC contractor · 9701 Apollo Dr, Upper Marlboro(301) 233-8509 · tthvac.com
The Severn GroupHVAC contractor · 375 Prince Georges Blvd, Upper Marlboro(443) 837-0828 · theseverngroup.com · 6 drivers, 6 trucks
Wright Mechanical ServicesHVAC contractor · 617 Commerce Dr, Upper Marlboro(301) 969-2029 · hvacserviceuppermarlboro.com
HVAC in ZIP 20774 at a glance
Local building angle: Prince George's County permitted 2,090 new homes in 2025, including 228 apartment units. 38% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.