Find 7 Recommended Local HVAC Contractors in San Jose, CA

Valley Mechanical provides comprehensive HVAC services including energy audits, repairs, maintenance, and energy efficiency solutions for residential and commercial clients in the Bay Area. Since 1994, we've specialized in improving indoor air quality and reducing energy consumption through advanced diagnostics and modern HVAC technology. Our partnerships with utility programs enable cost-effective solutions that benefit both clients and the environment.

Wafer Process Systems Inc. designs and manufactures precision wet process equipment for semiconductor, MEMS, and photovoltaic manufacturing since 1983. Our core offerings include manual and automated wet benches, chemical blend systems, and patented IPA drying technology. We provide field modifications, spare parts support, and custom fabrication services for global clients in advanced manufacturing sectors.

United Mechanical specializes in HVAC and plumbing systems for commercial and industrial properties in Northern California. Founded in 2003, we provide design, construction, retrofit, and 24/7 emergency services with a focus on safety, energy efficiency, and technical innovation. Our clients include major developers, property managers, and Fortune 500 companies across data centers, biotech facilities, and high-tech campuses.

J & J Air Conditioning provides comprehensive HVAC services for commercial and industrial clients in the San Jose area. Since 1978, we've delivered innovative heating, ventilation, and air conditioning solutions through new construction projects, equipment replacements, and 24/7 emergency services. Our commitment to technical excellence and customer satisfaction has established us as a premier mechanical contractor in Northern California.

Air Systems provides total facility solutions including HVAC installation, MEP contracting, and energy management systems for commercial and industrial clients in Northern California. Our LEED-certified experts deliver sustainable building automation solutions using BIM technology and advanced air quality systems. With 24/7 service support and preventive maintenance programs, we ensure operational efficiency for healthcare, education, and technology sector facilities.

Atlas Heating provides expert HVAC installation, repair, and maintenance services for residential and commercial clients in the Bay Area. Established in 1908, we combine over a century of experience with cutting-edge technology to deliver reliable heating and cooling solutions. Our commitment to quality, customer service, and industry-leading expertise makes us a trusted choice for HVAC needs.