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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.

Special Offers Backed by Our
100% Satisfaction Guarantee

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

We Have A Reputation For Being Punctual, Friendly, and Knowledgeable

    “Always enjoy your Tech’s Visit!”

    - Rodger and Mary

    “Quick response – technician arrived within 2 hours of my call!”

    - Nancy W.

    “Explained in detail what improvements I needed.”

    - Colleen M.

    “Great job, as usual!!”

    - Anne M.

    “I am very impressed with the politeness and friendliness of everyone I have had out to my house. They always make sure I understand what they are doing =)”

    - Carla C.

    “Showed up quickly and fixed quickly!”

    - Paul Mitchell School
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  • Areas We Serve
    • Abrams
    • Adell
    • Algoma
    • Appleton
    • Baileys Harbor
    • Bonduel
    • Brillion
    • Brussels
    • Cascade
    • Casco
    • Cedar Grove
    • Chilton
    • Cleveland
    • Collins
    • Combined Locks
    • De Pere
    • Denmark
    • Egg Harbor
    • Elkhart Lake
    • Ellison Bay
    • Fish Creek
    • Forest Junction
    • Forestville
    • Francis Creek
    • Freedom
    • Glenbeulah
    • Green Bay
    • Green Valley
    • Greenbush
    • Greenleaf
    • Greenville
    • Hilbert
    • Kaukauna
    • Kellnersville
    • Kewaunee
    • Kiel
    • Kimberly
    • Kohler
    • Krakow
    • Little Chute
    • Little Suamico
    • Luxemburg
    • Malone
    • Manitowoc
    • Maplewood
    • Maribel
    • Menasha
    • Mishicot
    • Mount Calvary
    • Neenah
    • New Franken
    • New Holstein
    • Newton
    • Omro
    • Oneida
    • Oostburg
    • Oshkosh
    • Pickett
    • Plymouth
    • Pulaski
    • Random Lake
    • Reedsville
    • Saint Cloud
    • Saint Nazianz
    • Seymour
    • Sheboygan
    • Sheboygan Falls
    • Sherwood
    • Sister Bay
    • Sobieski
    • Sturgeon Bay
    • Suamico
    • Tisch Mills
    • Two Rivers
    • Valders
    • Waldo
    • Washington Island
    • Whitelaw
    • Winnebago
    • Winneconne
    • Wrightstown
    • Zachow
  • Zip Codes We Serve
    • 53001,  
    • 53011,  
    • 53013,  
    • 53014,  
    • 53015,  
    • 53020,  
    • 53023,  
    • 53026,  
    • 53042,  
    • 53044,  
    • 53049,  
    • 53057,  
    • 53061,  
    • 53062,  
    • 53063,  
    • 53070,  
    • 53073,  
    • 53075,  
    • 53079,  
    • 53081,  
    • 53083,  
    • 53085,  
    • 53093,  
    • 54101,  
    • 54107,  
    • 54110,  
    • 54113,  
    • 54115,  
    • 54123,  
    • 54126,  
    • 54127,  
    • 54129,  
    • 54130,  
    • 54131,  
    • 54136,  
    • 54137,  
    • 54140,  
    • 54141,  
    • 54155,  
    • 54162,  
    • 54165,  
    • 54169,  
    • 54171,  
    • 54173,  
    • 54180,  
    • 54182,  
    • 54201,  
    • 54202,  
    • 54204,  
    • 54205,  
    • 54207,  
    • 54208,  
    • 54209,  
    • 54210,  
    • 54212,  
    • 54213,  
    • 54214,  
    • 54215,  
    • 54216,  
    • 54217,  
    • 54220,  
    • 54221,  
    • 54226,  
    • 54227,  
    • 54228,  
    • 54229,  
    • 54230,  
    • 54232,  
    • 54234,  
    • 54235,  
    • 54240,  
    • 54241,  
    • 54245,  
    • 54246,  
    • 54247,  
    • 54301,  
    • 54302,  
    • 54303,  
    • 54304,  
    • 54305,  
    • 54306,  
    • 54307,  
    • 54308,  
    • 54311,  
    • 54313,  
    • 54324,  
    • 54344,  
    • 54901,  
    • 54902,  
    • 54903,  
    • 54904,  
    • 54911,  
    • 54912,  
    • 54913,  
    • 54914,  
    • 54915,  
    • 54942,  
    • 54952,  
    • 54956,  
    • 54957,  
    • 54963,  
    • 54964,  
    • 54985,  
    • 54986

Here for You Around the Clock

Our Comfort Specialists are available to help, no matter the time of day. If you're in need of emergency services, we've got you covered 24/7.

Part of the Authority Brands Family

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