Your Comfort Is Just A Call Away

De Pere Heating & Cooling Experts

Don't Let "Small" Problems Turn
Into Big Ones. One Hour Can Help.

Some of Our Specialties

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Special Offers Backed by Our
100% Satisfaction Guarantee

$79 Furnace Safety Inspection One Hour Heating & Air Conditioning® of Greenbay Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply.
$49 Home Comfort Consult One Hour Heating & Air Conditioning® of Greenbay Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply.

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Green Bay HVAC Repair, Installation & Maintenance

Experienced Heating & AC Technicians in De Pere & Greenbay

When homeowners need reliable, fast, and durable HVAC services, they call the Green Bay HVAC technicians at One Hour Heating & Air Conditioning® of Greenbay. Our independently owned business has provided countless customers with solid craftsmanship paired with excellent customer service, making us one of the leading providers of heating and AC repair in the region! Because we 100% guarantee our results, parts, and labor for up to two years after each service (as part of the UWIN Guarantee), our customers can trust that their HVAC system will work well for a long time to come. Still shopping around? Call us for a free estimate so we can give you a fair and honest price for the work you need in Green Bay, De Pere or beyond.

Long-Lasting Air Conditioning & Heating Service at Honest Prices

What drives our company (and what's made our business successful) is our simple commitment to good customer service. A strict Code of Ethics guides everything we do: that's why we avoid hidden fees, why our work meets only the highest industry standards, and why all our Green Bay HVAC technicians are background-checked and drug-tested. We respect your time and your home, which is why we arrive on time and leave your home as clean as it was when we arrived. In short, we're decent people who do good work—and that's worked out well for our customers and us.

Always On Time... Or You Don't
Pay A Dime!®

‘Round the Clock Availability
No matter the hour, you can trust One Hour to be there
to help you when you get hit with the unexpected.
100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship
for up to two years from the date of your service.
We Love What We Do
Our trained Comfort Specialists are friendly,
knowledgeable, and genuinely love helping people.