Black-Haak has you covered when looking for reliable HVAC, plumbing, and electrical services in Winneconne, WI. We’ve been the area’s preferred plumbing, electrical, and HVAC service since 1956. Without plumbing, electricity, and a reliable HVAC system our homes wouldn’t be functional and in order to keep it that way, you need maintenance and repair services you can count on. At Black-Haak, we serve the Winneconne community by keeping homes comfortable, the water running and the lights on.