SMI offers a wide range of services different from most
residential/commercial heating & air conditioning companies.
- Corn/ Wood
- Hydronics/ Infloor
- Air Conditioners
- Exhaust and Ventilation
- Sheet Metal
- Indoor Air Quality
CERTIFICATIONS SMI works hard to make sure our technicians are
fully certified with all equipment we service so you can feel confident SMI will get the job done right.
as Wisconsin Department of Commerce HVAC Qualifier Certification
- Wisconsin Department
of Commerce HVAC Contractors Registration & 5-
Wisconsin Refrigerant Handling Technician Certifications
- Certified to
work on Cincinnati Sub Zero Refrigeration Chambers & ESPEC
SENIOR DISCOUNT SMI offers a *10% Senior
Citizen Discount on all residential service calls.
call us for more details - (262) 878-0634, (262) 514-3330, or (262) 843-2200 (*This discount does not apply to new installations - thank you)