Who We Are


Thiele Heating & Air Conditioning has been serving customers with professional installations and service for all their heating, air conditioning, and refrigeration needs for over 30 years. Our trained technicians provide quality workmanship and service for all makes and models of heating and air conditioning equipment from the top brands in the industry. We work with residential customers as well as local businesses, extending our services beyond the homeowner to many local establishments including bars and restaurants.

Thiele Heating & Air Conditioning is a family-owned and operated business that was established in 1983 by Roger and Peggy Thiele. We have decades of outstanding service to residential homeowners and local businesses throughout Southern Wisconsin and Northern Illinois.

Roger started the company from the ground up over 30 years ago. Today, he consintues to work with his son, Scott Thiele. Roger taught Scott the business as a craft, not just a trade, training him in the mechanics of heating and air conditioning while also stressing the value of service.

Thiele Heating & Air Conditioning is a BBB accredited business, with an above 4-star rating on many social media sites. All of our technicians have substantial experience in the HVAC field. Our staff maintains excellent customer service skills to help meet all your heating and cooling needs.