If you’re in need of furnace maintenance in Sonora, CA, the team of professional heating technicians at Gatewood Heating & Air Conditioning, Inc. has you covered. Have you noticed that your heating system no longer works as well as it used to? Maybe you’re simply looking to improve the efficiency of your furnace and lower your heating costs. Our heating maintenance services are a simple way to give your heating system a boost and ensure that you stay warm throughout the winter.