HVAC companies in Severn, MD 21144
5 HVAC companies, with local market data for this ZIP.
General contractors 29Roofing and exteriors 8HVAC 5Concrete and masonry 5Excavation and demolition 4Electricians 3Garage doors 2Other construction trades 1Remodeling 1Fences and decks 1Carpentry, drywall and windows 1
Area profitability, HVAC70 / 100Strong market, balanced field
Typical home value$515,000+1.3% in the past year
New homes permitted, 20251,844Anne Arundel County
Homeowners80.3%12,942 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Affordable Heating & CoolingHVAC contractor · 1011 Morgan Station Dr, Severn(410) 465-6120 · affordableheatcool.com
Beltway HVACHVAC contractor · 8141 Telegraph Rd Ste I, Severn(443) 323-2547 · beltwayhvac.com
Old Dominion SupplyHVAC contractor · 7765 Old Telegraph Rd, Severn(410) 969-7200 · olddominionsupply.com
Rocky HVACHVAC contractor · 7939 Citadel Dr, Severn(410) 216-0077 · rockyhvac.com
All About Air Heating and Air-conditioning LLCHVAC contractor · 8324 Dubbs Dr, Severn(443) 694-1601
HVAC in ZIP 21144 at a glance
Local building angle: Anne Arundel County permitted 1,844 new homes in 2025, including 971 apartment units. 32% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.