HVAC companies in Hagerstown, MD 21742
2 HVAC companies, with local market data for this ZIP.
General contractors 32Remodeling 6Excavation and demolition 4Roofing and exteriors 4Concrete and masonry 4Painting 3Carpentry, drywall and windows 3HVAC 2Electricians 2
Area profitability, HVAC65 / 100Moderate market, balanced field
Typical home value$344,000+0.5% in the past year
New homes permitted, 2025354Washington County
Homeowners69.0%13,315 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Affordable Aire and RefrigerationHVAC contractor · 13131 Blue Ridge Rd, Hagerstown(240) 310-5744 · aarmechanical.com
Total Comfort Heating & Air Conditioning Inc.HVAC contractor · 12009 Margaret Dr, Hagerstown(301) 745-3700 · tchvac.net
HVAC in ZIP 21742 at a glance
Local building angle: Washington County permitted 354 new homes in 2025, including 172 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.