HVAC companies in Baltimore, MD 21237
11 HVAC companies, with local market data for this ZIP.
General contractors 49Roofing and exteriors 11HVAC 11Remodeling 9Electricians 6Carpentry, drywall and windows 5Flooring and tile 4Excavation and demolition 4Other construction trades 3Concrete and masonry 3Fences and decks 3Painting 1Garage doors 1
Area profitability, HVAC50 / 100Moderate market, crowded field
Typical home value$313,000−0.2% in the past year
New homes permitted, 20251,531Baltimore County
Homeowners62.1%12,291 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Aire-Craft Heating & Cooling Co IncHVAC contractor · 1215 67th St, Baltimore(410) 433-7079 · airecrafthvac.com
Crown Refrigerator SupplyHVAC contractor · 1221 67th St, Rosedale(410) 866-1501 · remichel.com
DynasticsHVAC contractor · 9351 Philadelphia Rd Ste J, Rosedale(410) 247-6750 · dynastics.com · 1 driver, 1 truck
Goodman ManufacturingHVAC contractor · 9103 Yellow Brick Rd, Rosedale(410) 687-4441 · goodmanmfg.com
Green Comfort SystemsHVAC contractor · 8227 Philadelphia Rd, Rosedale(443) 607-5151 · gogreen-hvac.com
Johnstone SupplyHVAC contractor · 9100 Yellow Brick Rd, Rosedale(410) 391-5495 · johnstonesupply.com
T Stat SupplyHVAC contractor · 1901 62nd St Ste 3901, Baltimore(410) 325-7774 · tstatssupply.com
The Tustin GroupHVAC contractor · 9003 Yellow Brick Road, Suite K, Baltimore(800) 437-0655 · thetustingroup.com
East Coast Heating & CoolingHVAC contractor · 8969 Yellow Brick Rd, Rosedale(443) 813-0267
Jay Heating & Air ConditioningHVAC contractor · 7000 Golden Ring Rd, Rosedale(410) 574-6839
Sure Comfort Supply CenterHVAC contractor · 7022 Golden Ring Rd, Rosedale(410) 780-5134
HVAC in ZIP 21237 at a glance
Local building angle: Baltimore County permitted 1,531 new homes in 2025, including 379 apartment units. 18% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.