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Customer Testimonials

Read what our customers have to say about their experiences with our heating and cooling team and top-rated products.
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Your Feedback Helps Us Maintain the Highest Level of Service

At Gross Heating & Air Conditioning, our customers are family—which is why your opinion matters so much to us. We continually strive to improve our heating, cooling, and air quality services for homes and businesses, and customers who share their feedback help us do exactly that.

Our most recent reviews are below—click here to read more reviews on Google (where we’re rated a near-perfect 4.9!)

HVAC technician installing a new furnace
“From our first call for help and quote, Gross showed their personal concern for our well-being—the first question [they asked] was ‘do you have heat now?’ From that point forward, Gross was quick, punctual, and efficient. Great service. Great work, and great guys to work with. Thank you, Gross Heating. You’ve earned us as a customer hands down.”
Brian T.

“Our family recently had our furnace replaced by Gross Heating & Air Conditioning. The attention to detail was meticulous with a high quality of work… We were very pleased with the entire process and would highly recommend Gross Heating & Air Conditioning.”
Lars H.

“In the beginning of February, Milwaukee was experiencing extremely cold temperatures and our 17-year-old furnace failed. We called Gross Heating and within an hour, they had a repair person at our house… Very professional all the way around. Thank you, Gross Heating!”
Linda C.

“They were terrific. They responded immediately and installed two new furnaces for my duplex… They did a beautiful, professional job.”
Barbara P.

“The Gross crew worked diligently to meet our heating and cooling needs and did so in a professional and timely manner. No easy feat when working on a nearly 100-year-old three-story duplex with hot water heat. We could not be more satisfied with excellent work done by Gross Heating & Air Conditioning.”
Charles L.

“Mike and Erik were friendly and informative with our AC, radon, and humidifier/dehumidifier installation. I would highly recommend their services.”
Mary B.

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.

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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.

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Gross Heating & Air Conditioning
3260 N. 126th Street
Brookfield, WI 53005
Phone: 262-783-6000
24-Hour Emergency Service Available
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