At Baumann & DeGroot, we combine expert HVAC knowledge, dependable service, and top of the line products to ensure you are comfortable in your home, year around.

Invested in our community.

For more than 20 years, Baumann & DeGroot has been a part of the greater Holland community. We are proud to live and work here in beautiful West Michigan, and are committed to making our home a better place. We do this by running our family business with integrity, treating our customers as if they were one of our own, and investing in causes that benefit our local area.

Heating & Cooling with a Cause

Current Cause: Shop Local

From now until June 1st Baumann & DeGroot will match any gift card/certificate purchased from a local company.  Up to $25.  Let’s jump start this recovery and get our community back to work.

What your neighbors are saying...

More Testimonials Leave A Review
I live up in Muskegon and purchased that heat pump system from you (installed November last year). Long story short, I heat/cool 4500 square feet of house. Prior to purchasing the geothermal from you, I filled my 500 gal. propane tank every month in...
- A Happy Customer

Proudly featuring these brands:

Napoleon Heatilator Amana Lochinvar Carrier Navien American Hearth