Founded in 1956, Black-Haak Heating, Inc. is a family-owned and operated business providing service in Appleton, Neenah, Menasha, Kimberly, Darboy, Kaukauna, Greenville, and throughout the Fox Valley and surrounding areas. We are proud to conduct business based on a firm foundation of honesty, integrity, family values, comfort, service, reliability and trust. Our reputation of strength shows through! At Black-Haak Heating, family is important – and our clients are family. From yearly maintenance on equipment to newsletters with valuable energy information, we keep our clients informed.