Commercial HVAC · Southeast Wisconsin
Commercial HVAC that keeps your doors open
From rooftop units to mechanical rooms, Sutton Mechanical helps Sussex-area businesses avoid costly downtime with experienced service and honest recommendations.
Commercial HVAC services
New Equipment Installation
Brand new rooftop units, furnaces, and AC systems sized and installed right for your building.
Rooftop Unit Service
Diagnostics, repair, and seasonal service for packaged RTUs on commercial roofs.
Preventive Maintenance Agreements
Scheduled inspections, cleaning, and testing to reduce breakdowns and extend equipment life.
Diagnostics & Repair
24+ years of troubleshooting means faster, accurate fixes and less downtime for your business.
Ventilation & Make-Up Air
Service for exhaust, make-up air, and ventilation systems that keep spaces comfortable and safe.
Commercial Heating
Unit heaters, furnaces, and heating equipment kept ready for Wisconsin winters.
Commercial Cooling
Keep employees and customers comfortable through summer with reliable AC service.
Businesses we serve
Why a maintenance plan pays off
Equipment that's cleaned, checked, and tested on schedule breaks down less, runs more efficiently, and gives you time to plan for repairs instead of reacting to emergencies.
Talk to us about your building.
Talk directly with the owner. Straight answers, honest recommendations.