Whether you need emergency service, seasonal maintenance, or a full system installation, you can count on the Streitz team to get the job done right—the first time.

Meet the Team Behind Streitz Heating & Cooling

Since 1950, Streitz Heating & Cooling has been the go-to HVAC contractor for Dundas, Northfield, and surrounding Minnesota communities. We provide expert heating, cooling, and indoor air quality solutions—including 24/7 emergency HVAC service when you need help fast. Our licensed and experienced technicians service all major brands and deliver everything from furnace and AC installation to duct cleaning and seasonal maintenance. We’re committed to affordable, reliable comfort solutions designed for Minnesota’s changing seasons, backed by prompt service day or night.

Here’s what sets our team apart:

  • Licensed and certified HVAC technicians with years of hands-on experience
  • Friendly, respectful professionals who arrive on time and ready to work
  • Up-to-date training on the latest heating, cooling, and air quality technology
  • A customer-first mindset—we listen, we explain, and we never cut corners
  • Long-term team members who take pride in serving their community

The Streitz Difference

When it comes to your home comfort, you deserve a team you can count on. Here’s why homeowners across southern Minnesota choose Streitz 72 Degrees for all their heating and cooling needs.

Trusted Local Experience

Proudly serving Dundas, Northfield, and the surrounding communities since 1950, we’ve built a reputation for reliable, honest HVAC service.

Full-Service HVAC Experts

From AC and furnace repair to indoor air quality and duct cleaning, we’re your one-stop shop for year-round comfort.

Licensed & Certified Technicians

Our experienced team is fully licensed, insured, and trained to service all major HVAC brands with precision and care.

Fair Pricing with No Surprises

We offer competitive rates, honest estimates, and quality work—so you always know you’re getting the best value for your home.

Local HVAC Pros

Meet the People Who Make Comfort Happen


Behind every great service call is a team of dedicated professionals. At Streitz Heating & Cooling, our team brings years of experience, top-notch training, and a genuine commitment to doing right by our customers. Get to know the friendly faces working hard to keep your home comfortable year-round.

From HVAC repair and installation to indoor air quality solutions, our licensed technicians are proud to serve Dundas, Northfield, Faribault, and surrounding Minnesota communities with honest, dependable service. Whether it’s a furnace tune-up in the winter or a complete AC replacement in the summer, our team is here to deliver efficient, expert solutions tailored to your home’s comfort needs.

Vice President & Owner

Andy Streitz 

President & Owner

Vice President & Owner

Nick Streitz 

Vice President & Owner

Services Areas

Proudly Serving Dundas, MN and Surrounding Communities

Streitz Heating & Cooling is based in Dundas, MN, and we’re proud to provide reliable heating, cooling, and indoor air quality services to homeowners across the region. From small towns to growing suburbs, our team delivers expert HVAC solutions with the care and attention only a local company can provide.

At Streitz Heating & Cooling, we proudly provide fast, reliable HVAC services to homeowners and businesses throughout southern Minnesota. Whether you need furnace repair in the middle of winter or an AC tune-up before summer hits, our licensed technicians are here to help. We specialize in installing, maintaining, and repairing high-efficiency heating and cooling systems, including air conditioners, furnaces, heat pumps, and indoor air quality products. With decades of experience and a commitment to customer satisfaction, we’re the trusted choice for HVAC services in Dundas and beyond.