HVAC companies in Oconomowoc, WI 53066
8 HVAC companies, with local market data for this ZIP.
General contractors 32Roofing and exteriors 12Concrete and masonry 12HVAC 8Electricians 7Remodeling 5Excavation and demolition 5Painting 3Other construction trades 3Flooring and tile 1Garage doors 1Carpentry, drywall and windows 1
Area profitability, HVAC70 / 100Strong market, crowded field
Typical home value$583,000+6.6% in the past year
New homes permitted, 20251,178Waukesha County
Homeowners78.2%15,015 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Aasen Heating and CoolingHVAC contractor · 111 S Main St, Oconomowoc(262) 355-4995 · aasenheating.com
Aire Serv of OconomowocHVAC contractor · 535 E Wisconsin Ave, Oconomowoc(262) 518-7745 · aireserv.com
Aire Service of OconomowocHVAC contractor · 351 S Maple St, Oconomowoc(262) 264-6733 · aireserv.com
Alpha Heating & Cooling LLCHVAC contractor · S15W33816 Wolf Rd Ste G, Oconomowoc(262) 594-5246 · alphahvacwi.com
Garvens Heating & CoolingHVAC contractor · W394N5298 N Reddelien Rd, Oconomowoc(262) 567-4444 · truststartshere.com
Mark's Heating & Cooling, Inc.HVAC contractor · 355 W Wisconsin Ave, Oconomowoc(262) 567-6829 · marksheat.com
Mark's Heating & Cooling, Inc.HVAC contractor · 355 W Wisconsin Ave, Oconomowoc(262) 567-6829 · marksheat.com
Pat's Heating & Air ConditioningHVAC contractor · 1833 Executive Dr, Oconomowoc(262) 567-7499 · patsheating.com
Schulte Heating LLCHVAC contractor · 131 N Main St, Oconomowoc(262) 567-5411 · schulteheating.com
Supply Side Duct & Furnace CleaningHVAC contractor · 364 W South St, Oconomowoc(262) 993-2526 · supplysideductcleaning.com
HVAC in ZIP 53066 at a glance
Local building angle: Waukesha County permitted 1,178 new homes in 2025, including 74 apartment units. 31% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.