Comphel Heating & Air Conditioning - Sonora's Top-Rated HVAC Repair

Yes, our NATE-certified technicians are trained to service a wide range of HVAC makes and models. As a locally-owned company serving Tuolumne and Calaveras counties since 1975, we have the experience to handle most residential and commercial systems, ensuring you receive reliable repairs and maintenance no matter your equipment.

Short cycling is a common issue in our climate that strains your system and raises energy bills. Our technicians will diagnose the root cause, which is often related to refrigerant levels, thermostat placement, or airflow problems from a dirty air handler. We provide thorough repairs and maintenance to restore proper operation and improve efficiency for your home.

As an American Standard Customer Care Dealer and Mitsubishi Diamond Contractor, we offer extended labor warranties of 10-12 years on qualifying installations. This goes beyond standard manufacturer coverage, providing long-term protection for your investment and ensuring your new system is backed by our local expertise for years to come.