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All-Phase HVAC LLC

1804 Shaler Dr
Waupun, WI 53963
★★★★★ 5.0 stars
58 Reviews

Providing Your Comfort Zone for All Seasons


Mon: 12:00am - 11:30pm
Tue: 12:00am - 11:30pm
Wed: 12:00am - 11:30pm
Thu: 12:00am - 11:30pm
Fri: 12:00am - 11:30pm
Sat: 12:00am - 11:30pm
Sun: 12:00am - 11:30pm
We're always open--give us a call!

Customer Care Dealer

About Us


We have a combined experience of 25 years in the HVAC field. At All-Phase Heating, Cooling and Geothermal, we focus on peace of mind. Our family-owned business makes your comfort our top priority.

Whether you need a repair to your current system or an upgrade to a brand new system, All-Phase has you covered! We proudly serve Fond du Lac, Dodge, Columbia, and Green Lake counties. Give us a call!

License Number: 1532200

Our Services

  • Air Conditioners
  • Boilers
  • Ductless Air Conditioning
  • Ductless Mini Split
  • Furnaces
  • Geothermal
  • Heat Pumps
  • Indoor Air Quality