Updated Aug 2026
📍 1824 N Locust St, Appleton, WI, 54914
📞 920-734-6937
🌐 haakheatinginc.com
Haak Heating Inc is an HVAC contractor based in Appleton, Wisconsin, specializing in air conditioning systems, installations, repairs, and cleaning services. They offer a range of residential services and information for customers. With a recent online presence noted in 2026, the company is equipped to handle both construction and system installation projects.
Updated Aug 2026
📍 3225 W Spencer St, Appleton, WI, 54914
📞 920-336-0600
🌐 trane.com
Updated Aug 2026
📍 2500 N Lynndale Dr Ste H, Appleton, WI, 54914
📞 920-733-1426
🌐 trane.com
Updated Sep 2026
📍 107 N Douglas St, Appleton, WI, 54914
📞 920-733-9071
🌐 valheat.com
Valheat Inc is an HVAC contractor located in Appleton, Wisconsin, offering a range of services including cleaning and maintenance, installations, and custom design for both residential and commercial clients. They also provide financing options and specialize in repair services and systems design. The company has been active in the HVAC industry, with offerings that include boilers, cooling systems, and commercial equipment.