DG Heating & Air

DG Heating & Air Conditioning is an HVAC company that handles heating and air conditioning for homes and businesses, from small repairs to full system installations. Its services include AC repair and installation, furnace repair and replacement, heat pump installation, ductless mini-splits, duct removal and replacement, indoor air quality work, and light commercial and new construction projects.

The company serves Santa Clara, San Mateo, and Contra Costa counties and is based on Commercial Street in San Jose. It is a licensed and insured contractor with BBB A+ accreditation and works with brands including Mitsubishi Electric, American Standard, and Bryant. Appointments are arranged by phone, and the company offers seasonal maintenance service plans.