Reliable HVAC Repair in El Cajon, CA 92021 - A & B Air Conditioning & Heating

We offer comprehensive HVAC installation, replacement, and repair services for both residential and commercial properties in El Cajon. This includes system installations, repairs for heating and cooling units, ductwork installation, and air purifier setup. As a third-generation business since 1986, we focus on fixing issues rather than replacing equipment when possible, helping you maintain efficient and reliable climate control.

For El Cajon residents dealing with smart thermostat issues or air conditioners not cooling efficiently, we provide diagnostic and repair services tailored to our local climate. We troubleshoot thermostat connectivity and programming problems, and for cooling inefficiencies, we check for issues like refrigerant leaks, dirty coils, or improper airflow—common in our area. Our approach emphasizes repairs to restore performance, saving you from unnecessary replacements.

Our family has been serving El Cajon since 1986, with Marty Bowman now leading the business after learning from his father David. We build on decades of local experience to offer honest, personalized HVAC care. Unlike some companies, we prioritize fixing your heating or cooling problems over pushing replacements, and we maintain the same equipment knowledge and attentive service that has earned us a loyal community reputation through word-of-mouth.