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ABOUT US

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Our family owned business makes your comfort our top priority. 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. That's why we offer the Coleman and American Standard line of furnaces and air conditioners. They come with a 15-year parts and 10-year labor warranty, so you can relax knowing you'll be comfortable all year long for years to come!

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 and let our family take care of yours!

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We Offer

Financing

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Accountant
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HEATING

We provide high-quality heating system repair, maintenance and installation that will stand the test of time. 

GEOTHERMAL

Free and renewable energy providing the most efficient and cost-effective heating and cooling available

SERVICES

COOLING

Our certified technicians will keep you cool all summer long. Talk to us about AC repair or replacement!

BOILERS

Modern, high-efficiency boilers can not only help trim your energy costs but increase your overall comfort.

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