HVAC companies in Fallston, MD 21047
4 HVAC companies, with local market data for this ZIP.
General contractors 19HVAC 4Roofing and exteriors 3Concrete and masonry 3Carpentry, drywall and windows 2Electricians 2Fences and decks 1Remodeling 1Garage doors 1Flooring and tile 1Painting 1Excavation and demolition 1
Area profitability, HVAC67 / 100Strong market, crowded field
Typical home value$563,000+1.8% in the past year
New homes permitted, 2025715Harford County
Homeowners98.0%4,852 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
American Heating and Air Conditioning IncHVAC contractor · 1741 Laurel Brook Rd, Fallston(410) 877-2679 · americanheatandair.com
Comfort AirHVAC contractor · 2713 Bel Air Rd, Fallston(443) 416-2088 · comfortairhome.com
DuctzHVAC contractor · 2501 Derby Dr, Fallston(410) 692-9775 · ductz-upperbay.com
DUCTZ of the Upper Bay RegionHVAC contractor · 2501 Derby Dr, Fallston(410) 692-9775 · ductz-upperbay.com
WaterVale Geo Heating and CoolingHVAC contractor · 2116 Watervale Rd, Fallston(410) 879-0292 · watervalegeothermal.com
HVAC in ZIP 21047 at a glance
Local building angle: Harford County permitted 715 new homes in 2025, including 137 apartment units. 23% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.