Baumann & DeGroot Heating and Cooling began over 25 years ago in 1994. Jeff Baumann and Larry DeGroot established the business with the goal of creating an HVAC company that would do more than just offer run-of-the-mill heating and cooling services to West Michigan customers.

Their hard work paid off, and in time, they established a keen reputation for providing the best, most affordable heating and cooling products and services in the Holland and Grand Haven area. A passion for excellent customer service and quality products and workmanship has consistently been at the center of everything that has made Baumann & DeGroot what it is now.

Today, those same principles are still critical, but the look of the company has changed. Larry retired in 2010. The company is still being steered by Jeff along with Josh Johnson, Chad Baumann, & Alex Baumann.

Josh Johnson Chad and Alex Baumann

The home of Baumann & DeGroot is here in West Michigan. It’s where our skilled and friendly employees live and have their families. We’re invested in this community because this community invested in us. Thank you for letting Baumann & DeGroot serve you and your heating and cooling needs for all these years. We look forward to 25 more years of the same quality services and customer relations!


To provide our neighbors in West Michigan with honest pricing, friendly service, quality products, and reliable support; to be an employer that cares for our employees and their families; and to give back to our local community.


To be known and trusted in West Michigan as a friendly and reliable heating and cooling company, to be the first recommendation our customers want to share with their family and friends, and to be a positive and supportive workplace for our team.


People First

Everything we do comes back to the people and families we are serving. From our customers’ homes to our employees and their families, we’re all about taking care of our local community.

Quality Work

You can expect excellence when you work with Baumann & DeGroot. We hold our entire team to the highest standards of quality, and we will arrive when we say we will, and we will do the job right. And if we do make a mistake (we are human), we’ll come back and fix it.

Ethical Practices

We believe in putting our customers’ needs first, no matter what. That’s why we offer fully transparent and affordable pricing every time. We’ll always recommend what’s best, never selling our customers something they don’t need or using pushy sales tactics.

Community Support

We take pride in our West Michigan community, where we live, work, and play. The people here are not only our valued customers but our families and our friends. As such, we have made a commitment to give back through our Heating & Cooling with a Cause Program. 


Hi Jeff, Just a quick note to say thank you for the gift card to Applebees!  We were impressed with the young man who did the installation-very professional and customer oriented!  Also the young man who helped me today when I came into your office to pay and bring info for your office gal for the rebates.  We would surely recommend your services to any of our family and friends in need of new furnaces, air etc.  Take care and May God Bless!

- G.

Want to let you know how appreciative Sue and I are of the excellent work you and your company did on the installation of our new heating and air conditioning system.  From the quote process to the final installation your company delivered a quality of service that met and exceeded our expectations.

Your quote was forwarded to us the next day as you promised, and you promptly answered the few questions we had.  Your installation team of Laron and Hunter were excellent from the start (spreading tarps so as not to soil our carpet) to the final cleanup.  The inspector from the township even commented on the quality of the installation.  The system is working flawlessly and we have already received the rebate from Michigan Gas that your company processed for us.

What a delight to work with a company that delivers old time customer service and quality work.  We have already told some of our neighbors how pleased we are and will not hesitate to recommend your company to others.

Thank you for a job well done!

- Erik and Sue Nygren

I just wanted to let you know how much I appreciate your crew hustling to get things done on Friday. My daughter was actually a bit disappointed that they weren’t still working when she arrived home from school at 4! And, my 2 year old son told my husband that his favorite part of Friday was “watching the nice guys fix the furnace. They have cool tools and a big ladder!”

We did obtain one other estimate, as I think I told you when you came by to do this estimate. You beat it by $8000! That made our decision even easier. However, I wanted to let you know that it was the respect your workers have for you as a boss and a business man that will keep us consistent clients. Thank you!

- Liz C.

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 the winter and once in the summer months (hot water heater) for an average yearly cost of between $3400 and $5000 in propane, depending on the fluctuation of propane prices. NOW, with the Geo-Thermal set up I purchased through you, I put the minimum 300 gal. of propane in my tank (wishful thinking) on December 3rd last year. I am still running on the same tank!!!!! My electric bill went up about $40 a month in the winter (assuming that’s due to my water pump running a more than normal), but we just received our first actual electric bill for June (since kicking on the AC which also works great) and it went DOWN $100 a month compared to last year when we ran the AC unit outside. All said and done when I crunch the numbers, this system will have paid itself off in less than a year and a half. I am impressed with how it performs and how well you took care of me.

- A Happy Customer

This is a quick note to thank you! I called your company because my thermostat wasn’t holding. Someone called me back & walked me through the steps & fixed the problem over the phone. You could have so easily sent someone out & charged me, but you didn’t. I am so impressed & have told everyone. I am new in town & will be using your service for sure. Thank you!

- Nanette C.

Thank you for a job well done! We are very pleased with the work that has been done. Doug, Dave & Jeff were all great guys to work with. Thank you also for all your kind co-operation.

- Ken & Renee A.

Wonderful service on our call about our water heater going out – same day installation of a new one!

- Pat S.

I wanted to thank you for everything! From same day service after I called, to a heater to get us through the night, to a brand new furnace the next day, you guys are a huge blessing! We will not hesitate to refer you to anyone & everyone. Thanks again!

- Meyering Family