HVAC companies in Liberty Hill, TX 78642
6 HVAC companies, with local market data for this ZIP.
General contractors 40Roofing and exteriors 12Remodeling 6HVAC 6Excavation and demolition 4Electricians 4Garage doors 3Concrete and masonry 3Flooring and tile 1Carpentry, drywall and windows 1Painting 1Other construction trades 1
Area profitability, HVAC73 / 100Strong market, crowded field
Typical home value$486,000−5.8% in the past year
New homes permitted, 20254,956Williamson County
Homeowners82.9%7,980 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
American Air MechanicalHVAC contractor · 103 Independence Dr, Liberty Hill(512) 515-1169 · americanairmechanicalservices.com
American Home and Commercial ServicesHVAC contractor · 12780 TX-29 Building B Ste 200, Liberty Hill(512) 515-6247 · americanhomeandcommercial.com
American Home and Commercial ServicesHVAC contractor · 12780 W Highway 29 Building B Ste 200 Ste 200, Liberty Hill(512) 515-6247 · americanhomeandcommercial.com
Covenant Air Conditioning and HeatingHVAC contractor · 1451 Ranch Road 1869, Liberty Hill(512) 515-6946 · airnheat.com
Liberty Air LLCHVAC contractor · 14600 W SH 29, Liberty Hill(512) 548-6886 · libertyairllc.com
Schneider MechanicalHVAC contractor · 6250 N US Hwy 183, Liberty Hill(512) 695-4323 · schneidermechanical.com
Schneider MechanicalHVAC contractor · 6250 N Highway 183 Unit C, Liberty Hill(512) 695-4323 · schneidermechanical.com
Texas Legacy Services, LLCHVAC contractor · 2450 Ranch to Market Rd 1869, Liberty Hill(512) 200-1740 · bertramchamber.com
HVAC in ZIP 78642 at a glance
Local building angle: Williamson County permitted 4,956 new homes in 2025, including 996 apartment units. 79% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.