COMPLETE

Heating & Cooling
Service

Professional service for your furnaces, air conditioners, heat pumps, and more.

About Us

For the most value, the most experience, and the most dependable products, home and business owners in your area have been relying on Gross Heating & Air Conditioning since 1925. We service virtually all makes and models of heating and cooling equipment, but we’re proud to recommend Carrier® for years of reliable, energy-efficient comfort. Gross Heating & Air Conditioning has been recognized as a top Carrier Factory Authorized Dealer, meeting the industry’s most rigid training and service standards.

Gross Heating & Air Conditioning service trucks.

What Our Customers Say

“Daniel was very professional, knowledgeable, cordial, and answered any questions I had. He also commented on doing the installation as if it was it own home. He laid down tarps on the floor and the steps as well as completely cleaning up after the job was finished. He represents Gross Heating and Air Conditioning very well. I'd highly recommend him for other installations and would request him again.”
- Martin S.

“Great crew. On time, polite, considerate and professional. I have had Gross service my HVAC systems in two different homes over the course of many years. They have always met my high expectations.”

- Christine J.

Ask Us About Financing for Your New Heating or Cooling System

Man, woman, and child in a field.

How Our Maintenance Agreement Saves You Time and Money

A maintenance agreement from Gross Heating & Air Conditioning gives you peace of mind. It’s a great way to reduce or eliminate unexpected repair bills, ensure top performance, save money, and prolong the life of your equipment. Here’s how you can benefit even more with a maintenance agreement from Gross Heating & Air Conditioning:

  • Equipment lasts longer
  • Regular maintenance prevents costly repairs
  • 15% discount on repair parts
  • Possible 10-30% monthly energy bill savings
  • Use your maintenance contract as a selling point
  • If you move, your maintenance agreement will automatically transfer to the new owners
  • Priority scheduling even during our busy seasons
  • Reminders for a clean and check

Our News

Why Is My Heat Pump Freezing Up? A heat pump covered in ice.

Why Is My Heat Pump Freezing Up?

Our team at Gross Heating & Air Conditioning regularly gets calls about frozen heat pumps. Though common, a heat pump freeze-up usually means your system’s components are not working correctly. Sometimes you can fix it yourself. But oftentimes, you will need to call a heating, ventilation, and air conditioning (HVAC) professional, like us, as the problem may require a part replacement or complex repair.

Read More...
Close up of a family enjoying a meal together.

How to Lower Your Winter Heating Bill

Gross Heating & Air Conditioning wishes more of our Wisconsin customers knew about the simple ways to cut heating costs during the winter.

Read More...
Carrier logo.
Carrier logo.

2023 presidents award. Carrier factory authorized dealer logo. NATE cerfication seal. Distinguished Carrier logo. BBB logo. Air Quality logo.