Covid-19 Note: Living in Northeast Wisconsin, one can’t get by without heat, and our technicians are using all the precautions they can to stay healthy so they’re available to serve your heating needs. We continue to remain open and are here to help 24 hours a day. The best way to reach us is calling 920-494-8800, but you also can access us through our website scheduling form for non-emergency issues.

No Answering Services, No Pagers …

Just a direct line to the person who can help you. Our NATE-certified technicians are by the phone 24 hours a day, 7 days a week.
No matter when you need us, we will be there!

Work for Apex Heating and Air Conditioning in Green Bay & the Fox Cities
ApexFurnace and Air Conditioning Repair Services in Green Bay & the Fox Cities

Apex Furnace and Air Conditioning Replacement Services in Green Bay & the Fox Cities

Apex Furnace and Air Conditioning Maintenance Services in Green Bay & the Fox Cities

Start living comfortably today. Call 920-494-8800 to schedule your appointment today!


There are so many factors in a home that affect the type of air conditioning system that should be selected, and the way it should be installed. Our vast knowledge and experience will help you stay cool and efficient all summer long.
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Heating needs vary from home to home. Whether you’re interested in repairing, replacing or servicing your existing natural gas, boiler or electric heating equipment, we’re the HVAC Green Bay, Wis., experts! We have years of experience to keep you and your family warm through the winter months.
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How Much Does it Cost?

One of the most common calls we get at Apex is the “how much” call. It’s understandable; in fact, it’s expected! I know that I …
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