Started business in 1957 by Fred Lauten. For 3 Generations Total Air & Heat Co. has been owned and operated by the Lauten family. We are focused on being "A Step Above the Rest". We do not use sub-contractors for our installations and pull permits as required by law. For Repairs: We offer a flat rate diagnostic fee which includes travel time. We quote you a flat rate repair cost before we proceed with repairs giving you peace of mind and no surprises. Employees are back ground checked, and drug tested. Fully insured. Proudly Serving Collin County and North Dallas. Specializing in indoor comfort, energy efficiency, service all brands, NATE Certified, Geothermal Heat Pump Certified, Water Source Heat Pump Certified, duct leakage testing, Trane Comfort Specialist,