Commercial HVAC Contractors in Wisconsin
Browse Wisconsin's top-rated commercial HVAC companies. Whether you manage a single office building or a portfolio of industrial facilities, My HVAC Tech connects you with licensed, insured contractors who specialize in commercial systems.
Browse by City in Wisconsin
Featured Contractors in Wisconsin
View allMisurelli Sorensen Heating & Air Conditioning New Berlin
Milwaukee, WI
Misurelli Sorensen New Berlin: 30+ yrs of commercial HVAC across Milwaukee & SE Wisconsin. 5/5 stars, 498 reviews. RTUs,...
Major Mechanical
Milwaukee, WI
Major Mechanical — New Berlin, WI commercial HVAC serving Milwaukee metro. 5/5 rated, 24/7 emergency, RTUs, chillers, bo...
Gross Heating & Air Conditioning
Milwaukee, WI
Brookfield, WI commercial HVAC since 1925. Carrier Factory Authorized Dealer. 4.9★/387 reviews. RTUs, VRF, boilers, 25-m...
Adamczyk Heating & Cooling
Milwaukee, WI
Milwaukee commercial HVAC since 1982. RTUs, VRF, boilers & more for offices, retail, industrial & restaurants. 4.7★ Goog...
Stonehaus Mechanical
Milwaukee, WI
Stonehaus Mechanical — Milwaukee commercial HVAC, 80+ yrs combined exp, 24/7 emergency service, 12-month warranty, RTUs,...
Commercial HVAC Services in Wisconsin
Repair
Installation
Maintenance
Emergency
Frequently Asked Questions — Commercial HVAC in Wisconsin
How do I find a licensed commercial HVAC contractor in Wisconsin?
Wisconsin requires commercial HVAC contractors to hold a state contractor's license. Use My HVAC Tech to filter for verified contractors — we confirm license numbers directly with the WI licensing board. Always verify that the contractor carries general liability insurance and workers' compensation before signing a contract.
What should I expect to pay for commercial HVAC service in Wisconsin?
Commercial HVAC costs in Wisconsin vary significantly based on system type, building size, and service complexity. Routine maintenance contracts typically run $150–$400 per unit per year. Emergency service calls average $300–$800 for diagnosis and basic repairs. System replacements for rooftop units range from $8,000–$35,000 depending on tonnage.
Do commercial HVAC contractors in Wisconsin offer 24/7 emergency service?
Many commercial HVAC contractors in Wisconsin offer 24/7 emergency response, particularly those serving healthcare, food service, and data center clients. Use the "Emergency Service" filter on My HVAC Tech to find contractors with confirmed after-hours availability.
What commercial HVAC certifications should I look for in Wisconsin?
Look for NATE (North American Technician Excellence) certified technicians, which validates hands-on HVAC competency. For refrigerant handling, EPA Section 608 certification is federally required. In Wisconsin, commercial work typically requires a state contractor license. Manufacturer certifications from Carrier, Trane, or Lennox indicate authorized service capability.