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At Your Door When You Need Us!

When it Comes to Heating, Cooling, and Comfort, Choose Wulf Brothers! Whether you’re a long-time resident, a business owner, or a proud owner of a vacation home in Door County, Wulf Brothers is at your door when you need us! For exceptional design, HVAC installation, maintenance, and repairs, we help make your life more comfortable and convenient.

Heating Button Couple drinking coffee inside their warm home
Cooling Button Family laughing and enjoying their cool home
Service and Repair Button with Wulf Brothers Team
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Exceptional service and Repairs for your Furnace, Air Conditioner, Boiler, Heat Pump, Hot Tub, Fireplace and More.

Located in Sturgeon Bay (Showroom), Sister Bay and Luxemburg

For friendly and professional help with HVAC or home improvement projects, choose Wulf Brothers! With locations in Sister Bay, Sturgeon Bay, and Luxemburg, our trustworthy and experienced team serves all of Door County. Our crews are continually trained to work with the latest products to ensure they deliver the best possible result and customer experience.

Your Hometown Experts for Over 30 Years

Your salesman, John was outstanding in all respects! The service technician, Dylan was equally outstanding. Both were highly professional, knowledgeable, attentive and respectful of my concerns and home. Thank you! –Jeff B.

Had my furnace cleaned today! Had to share with you how pleased I was with the young man that came to do it. He was very courteous, friendly and knew what he was doing. I have been around the quality and customer service business for more years that I care to admit and I would say that he represents your company very well. Just thought I’d share a bright spot in the day. –Jim S.

Scott and Dillon were very professional, polite and neat. They were also very careful with our home!  –Karen M.

It is always a pleasure to work with your company. Both John and Dillon were thorough in explaining the product and very responsive to my questions – extremely polite and patient. Thank you for a job well done.  –Phyllis T.

We were in a real bind and you installed the new furnace the same day. You could not have been more responsive. Thank you.  –Jim M.

We could not have asked for better service! Everything was left net and clean. The system operation was explained and questions were answered. Well done!  –Gerald B.

Your service man could not have been more courteous, efficient or knowledgeable. When I have Wulf Brothers in to service my furnace they all are wonderfully professional. I’m sure I will experience the same high quality of service when I need a new air conditioner.  – Sue V.

The technician installing our new furnace stayed till 8 p.m. making sure we had heat. He worked a 13-hour day for us. We are very happy.  –Michelle M.

I appreciated the ability to get the job done so quickly due to being without heat.  –Randy W.

Wulf Brothers team standing next to installation truck

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