ATC Cooling and Heating is a licensed HVAC company serving Kingsport, Johnson City, TN and surrounding communities. We provide residential and commercial heating and cooling services including heat pump installation and repair, furnace installation and repair, ductless mini-split systems, air conditioning, ventilation systems, indoor air quality solutions, and geothermal systems. We build custom HVAC solutions — not cookie-cutter — because every client and every home are different.