HVAC companies in Janesville, WI 53545
3 HVAC companies, with local market data for this ZIP.
General contractors 30Roofing and exteriors 12Other construction trades 6Concrete and masonry 5Electricians 4HVAC 3Flooring and tile 2Carpentry, drywall and windows 2Excavation and demolition 2Painting 2Remodeling 1Garage doors 1Fences and decks 1
Area profitability, HVAC56 / 100Moderate market, balanced field
Typical home value$286,000+5.1% in the past year
New homes permitted, 2025388Rock County
Homeowners64.7%10,768 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Al Beyers Indoor Comfort SystemsHVAC contractor · 1715 Newport Ave, Janesville(608) 752-6610 · albeyers.com
Don-Martin Heating, Cooling & Geothermal Inc.HVAC contractor · 4101 Commercial Dr, Janesville(608) 758-9882 · don-martinhvac.com
Lloyd's Plumbing & Heating CorpHVAC contractor · 2352 W US Highway 14, Janesville(608) 756-2626 · lloydsph.com
HVAC in ZIP 53545 at a glance
Local building angle: Rock County permitted 388 new homes in 2025, including 16 apartment units. 7% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.