Welcome to DG Heating & Air Conditioning, an HVAC company that is honest, dependable, and here for all of your home and business heating and cooling needs in San Jose. Unlike other companies, we put communication and friendliness at the forefront of our business and strive to impress our customers with every step of the service experience. Our goal is to provide quality services from friendly professionals in an efficient, affordable, and honest manner. When you choose our team, you’re choosing the best—and we’ll settle for nothing less.