24 Hour Emergency Service
800-854-5587

At your door when you need us!
Visit our three locations:

Sturgeon Bay: (920) 743-5587

Sister Bay: (920) 854-5587

Luxemburg: (920) 845-2525

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Service & Maintenance



That's how customers describe Wulf Brothers Home Comfort Systems.
Our trained, certified heating and air-conditioning technicians provide authorized warranty services for all of our products plus post-warranty service for most all other makes and models. Our service technicians utilizes the latest diagnostic technologies to quickly and efficiently determine the nature of your service problem and  are committed to its successful completion, on time and on budget.

We service and maintain and replace parts for the following products:
 • Furnaces                                                       
• Air Conditioners
• Geothermal
• Hydronic Heat
• Boilers
• Heat Pumps
• Humidifiers
• Air Cleaners
• Duct Work
• Security Systems
• Hot Tubs