HVAC companies in Frederick, MD 21703
7 HVAC companies, with local market data for this ZIP.
General contractors 50Roofing and exteriors 13Remodeling 9HVAC 7Painting 6Electricians 5Carpentry, drywall and windows 4Concrete and masonry 4Flooring and tile 2Excavation and demolition 1Fences and decks 1Other construction trades 1
Area profitability, HVAC62 / 100Strong market, balanced field
Typical home value$410,000−1.3% in the past year
New homes permitted, 20251,168Frederick County
Homeowners66.5%15,235 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Best Stove and Fireplace CenterHVAC contractor · 4959 New Design Rd, Frederick(301) 662-0600 · thompsonbesthvac.com
CrumHVAC contractor · 3202 Basford Rd, Frederick(301) 663-0050 · cruminc.com
Goodman Distribution Inc.HVAC contractor · 4959 New Design Rd, Frederick(301) 631-1777 · goodmanmfg.com
Lennox Stores (PartsPlus)HVAC contractor · 4959 New Design Rd Ste 118, Frederick(240) 397-7345 · lennoxpros.com
Markool Heating & CoolingHVAC contractor · 5110 Jefferson Pike, Frederick(301) 732-4244 · markoolhvac.com
Tuckers Air Conditioning, Heating & PlumbingHVAC contractor · 4650 Wedgewood Blvd #102, Frederick(301) 670-0034 · tuckersac.com
Woodlawn Mechanical ContractorsHVAC contractor · 4880 Winchester Blvd, Frederick(301) 948-9141 · woodlawnmechanical.com · 4 drivers, 1 truck
HVAC in ZIP 21703 at a glance
Local building angle: Frederick County permitted 1,168 new homes in 2025, including 354 apartment units. 35% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.