Unbeatable Oshkosh Heating and Cooling Company

Founded in 1956, Black-Haak has surpassed the ranks to become a top AC company and heating company in Oshkosh, WI. For over 60 years, we’ve brought comfort to our customers throughout the Fox Valley and neighboring cities. Moreover, our outstanding services have enabled us to gain an A+ rating from the BBB. We even carry Energy Star-certified products to help you get the most value for your money.

As a family-owned air conditioner company, we pride ourselves on providing friendly residential and commercial AC services. We oversee an apprenticeship program and put many hours into training our team. Our dedication to customer service comes through in our excellent customer reviews.

And when the temperature in the Fox Valley area drops, you need a dependable furnace. For all of your heating needs in Oshkosh, WI, turn to the pros at Black-Haak. We’ve been the local team to call for furnace repair, installation and maintenance. We also provide heat pump services.

Benefits of working with us:
  • 24-hour emergency repair services
  • Weekend hours
  • A+ rating from the BBB
  • Energy Star certification
  • Satisfaction guarantee
  • Financing options on approved credit
  • AC and heating services for all makes and models