Gatewood Heating & Air Conditioning, Inc. are your locally owned heating and air conditioning specialists serving all of Sonora, CA including Tuolumne & Calaveras Counties with the highest level of HVAC services. Whether you need to install a new heating system, tune-up your existing AC unit, or have a question about HVAC services or applications, Gatewood Heating & Air Conditioning, Inc. is here to help you.