DG Heating & Air Conditioning is a reliable HVAC service company based in San Jose, specializing in heating and air conditioning solutions for both residential and commercial needs. Customers appreciate their quick response times and the knowledgeable staff who can handle various HVAC challenges, from small repairs to major installations. Many have praised DG for successfully diagnosing and fixing issues that other vendors could not. They also provide additional services such as indoor air quality solutions, duct removal and replacement, ductless mini-split installations, and solar services. Clients express satisfaction with their careful work and custom solutions, recommending DG Heating & Air Conditioning for anyone seeking dependable and effective HVAC services. The company has a reputation for friendly, professional technicians who arrive on time and explain everything clearly, making customers feel confident in their service. Recent clients mention that Brandon, a technician, is very knowledgeable and approachable, providing comprehensive maintenance and inspections, especially for older systems. Although some customers choose different manufacturers for new equipment, they still value the helpful advice and quality service from DG. Overall, DG Heating & Air Conditioning continues to be trusted for repairs, maintenance, and installations, with many customers returning year after year.
Joey was fantastic. He was very professional and on point. Overall, a great experience
September 2025
Brandon and Joe came to our home to troubleshoot shoot our AC system to figure out why it was cooling our home effectively. They diagnosed the problem quickly and fixed it immediately. Now we have a nice cool home again. Thanks DG
August 2025
Service provided by Brandon was top notch. He identified the problem quickly, had the replacement part with him and had the A/C unit up and running in no time. He even showed up 30 minutes ahead of the appointment window! What a pleasant surprise.
