HVAC companies in Janesville, WI 53546
6 HVAC companies, with local market data for this ZIP.
General contractors 33HVAC 6Other construction trades 6Concrete and masonry 6Roofing and exteriors 6Electricians 5Garage doors 4Flooring and tile 3Fences and decks 2Excavation and demolition 1Painting 1Remodeling 1
Area profitability, HVAC56 / 100Moderate market, crowded field
Typical home value$324,000+5.6% in the past year
New homes permitted, 2025388Rock County
Homeowners74.5%12,248 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
A & A Heating & Air ConditioningHVAC contractor · 4731 N Colt Dr, Janesville(608) 754-9220 · aahtgac.com
Clean BurnHVAC contractor · 4109 Capital Cir, Janesville(800) 331-0183 · cleanburn.com
DSI RecyclingHVAC contractor · 1521 Beloit Ave, Janesville(800) 824-4115 · dsirecycling.com · 2 drivers, 1 truck
Hovland's Heating & Air ConditioningHVAC contractor · 4727 N Colt Dr, Janesville(608) 758-1981 · hovlandsheating.com · 3 drivers, 1 truck
Rock Valley Services, Inc.HVAC contractor · 928 Todd Dr Ste 2, Janesville(608) 247-4949 · rockvalleyservices.com
Lanair Products LLCHVAC contractor · 4109 Capital Cir, Janesville(608) 752-1601
HVAC in ZIP 53546 at a glance
Local building angle: Rock County permitted 388 new homes in 2025, including 16 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.