Appleton’s Premier AC Company

At Black-Haak, we’re proud to be an AC company that is open 24/7 in order to serve the cooling needs of our Appleton, WI, customers. We want the residents of the Fox Valley to have complete confidence in their cooling system after we’ve worked on it. Our locally owned and operated company has been serving the area since 1956. To make it easy to deal with an emergency situation, we offer same-day emergency service for installations and repairs.

With our high level of skill, we can handle any job. We don’t limit ourselves. Our company has a great apprenticeship program for our technicians, and we give them many hours of training. A strong focus is placed on offering excellent customer service, and we’ve earned many great reviews.

We’re known for:
  • Offering both residential and commercial services
  • Servicing all makes and models
  • Being BBB-accredited with an A+ rating
  • Using EnergyStar products when possible