Greeley Furnace provides the highest quality of workmanship, technical knowledge, and professionalism to Greeley, Colorado, and the surrounding communities in Weld County and Larimer County. Our expertise in the heating and air-conditioning and ventilation industry includes installation and 24-hour service. With over 6,000 customers and 2,500 hours of scheduled maintenance we have a rich history here in Greeley and a very bright future as well.