Give us a call at (262) 782-1200 to schedule your service or request a free estimate!


Gregg Heating & Air Conditioning was established in 1974 by Greg Hausinger. Kyle Geisberger, the current owner, began working at Gregg Heating in 2001, eventually taking over for Greg in 2017 when he retired. Gregg Heating’s motto is “Do the job right the first time, and stand behind what you do”. We live by that motto, providing excellence in all areas of service to our clients. We provide heating, air conditioning, and all your indoor comfort needs to Waukesha, Milwaukee, and surrounding areas.

Our mission is to provide excellence in all areas of service to our clients!

We are qualified.

  • Our company prides itself on our commitment to our clients.
  • Most of our new business comes from satisfied clients and their referrals to friends and neighbors.
  • We solve all home comfort problems, including air infiltration, humidity, zoned temperature control, and water heating.
Gregg Heating and Air Conditioning building

We are certified.

  • Members of the Better Business Bureau.
  • We are licensed, bonded, and insured.
  • All installation and service technicians are factory-trained.
  • All service technicians are NATE certified.

We are dependable.

  • We offer a full range of EPA Energy Star approved products.
  • We attend continuing education classes, to keep up to date.
  • Our employees are clean cut, courteous, and uniformed.
  • We are on call 24 hours a day for our existing clients.
Gregg Heating and Cooling vans