Customer Testimonials

Read what our customers have to say about their experiences with our heating and cooling team and top-rated products.

Contact Us

This form is monitored during regular business hours, and a member of our team will contact you to confirm your requested appointment. If you have an emergency, please call 262-783-6000.

Maintenance Agreements

Maintenance agreements from Gross Heating & Air Conditioning are designed for your peace of mind. They’re a great way to reduce or eliminate unexpected repair bills, ensure top performance, save money, and prolong the life of your equipment.

$100 Refer-A-Friend Program

Love Gross Heating? Tell your friends and family about us and you’ll get $100 cash back when they have a furnace, AC, or boiler installed. Have a lot of friends and family? That’s great because there’s no limit! Ask for details.

Real Feedback Helps Us Maintain the Highest Level of Service

At Gross Heating & Air Conditioning, our customers are family, so their opinions are really important. We value every call and suggestion, and take any concerns very seriously. We continually strive to improve our heating, cooling, and air quality services for homes and businesses, and are thrilled when customers share positive feedback. Our most recent reviews are below—we hope to see your name here someday, too!

Thank you so much for providing us with temporary heat until we could schedule a date to install our new furnace. My husband and I and our small children greatly appreciate the warmth when we woke up on those oh-so-chilly mornings! Thanks for being a company that still goes above and beyond! Kristy C.


Thanks to our salesman Greg for all his efforts in figuring out the new ductwork in my home. Jeff and Mike did a great job and I thank them as well. Wendi M.


. . . thank you for the quick response. Even during the deer hunting season, you were able to get a furnace installed on a day’s notice. Mark K.


Thanks for installing 4 furnaces and 4 central air units in my rental property and making it all work smoothly. You have a great team of support people and technicians! Bob Z.


Customers Give Us Five-Stars for Service

We’re proud of our 5.0 star rating on Google—click here to read more reviews!

Gross Heating & Air Conditioning

3260 N. 126th Street

Brookfield, WI 53005

Phone: 262-783-6000

24-Hour Emergency Service Available

We Value Your Opinion