HVAC companies in Dundalk, MD 21222
5 HVAC companies, with local market data for this ZIP.
General contractors 57Roofing and exteriors 12Other construction trades 9Remodeling 8Concrete and masonry 6HVAC 5Electricians 4Painting 2Carpentry, drywall and windows 2Fences and decks 2Flooring and tile 2Excavation and demolition 1Garage doors 1
Area profitability, HVAC46 / 100Moderate market, balanced field
Typical home value$222,000−1.7% in the past year
New homes permitted, 20251,531Baltimore County
Homeowners64.9%22,385 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
ABC Cooling and HeatingHVAC contractor · 4030 North Point Blvd, Dundalk(443) 803-9070 · bmoreheatingandcooling.com
Pinnacle Heating and Air ConditioningHVAC contractor · 3800 North Point Blvd, Dundalk(410) 288-2020 · pinnacle-hvac.com
Reliability Home ServicesHVAC contractor · 4030 N Point Blvd Ste A, Dundalk(443) 399-8663 · reliabilityhome.com · 2 drivers, 1 truck
Reliability Home ServicesHVAC contractor · 2819 N Point Blvd, A, Dundalk(443) 399-8663 · reliabilityhome.com · 2 drivers, 1 truck
Ssi ServicesHVAC contractor · 8008 Pinewood Rd, Dundalk(410) 288-3731 · stoneservices.net
Bmore Heating and CoolingHVAC contractor · 4030 N Point Blvd Ste E, Dundalk(410) 285-8888
HVAC in ZIP 21222 at a glance
Local building angle: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 5% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.