Comfort Air, Inc.
Stockton, CA | 95206
Comfort Air, Inc. specializes in comprehensive HVAC, plumbing, refrigeration, and sheet metal services, offering installation, repair, maintenance, and design-build solutions for residential, commercial, and institutional clients across San Joaquin, Stanislaus, and Sacramento counties.
Financing Available
Cold Craft, Inc.
Campbell, CA | 95008
Cold Craft, Inc. is a full-service HVAC and refrigeration contractor serving the San Jose and Silicon Valley area since 1991. They offer comprehensive residential and commercial solutions, including installation, repair, maintenance, and retrofits, for systems such as furnaces, air conditioners, heat pumps, mini-splits, geothermal systems, and wine-cellar refrigeration.
Financing Available
CL Heating and Air Inc.
Sacramento, CA | 95816
CL Heating and Air Inc.provides professional HVAC installation, repair, maintenance, and duct cleaning services for residential and commercial clients, offering customized solutions, quality equipment, and reliable workmanship to ensure comfort, efficiency, and customer satisfaction.
Offers Rebates
Champion Industrial Contractors, Inc.
Modesto, CA | 95350
Champion Industrial Contractors Inc., based in Modesto, California, provides comprehensive mechanical contracting services for commercial, industrial, and institutional projects. The company’s capabilities include HVAC installation, plumbing, process piping, and sheet metal fabrication. Champion Industrial Contractors emphasizes quality workmanship, safety, and efficient project delivery to meet diverse client needs.
United Mechanical (California United Mechanical, Inc.)
San Jose, CA | 95131
United Mechanical offers comprehensive HVAC services throughout Northern California, providing preventive maintenance, repairs, retrofits, and system modernization for commercial and industrial clients. With advanced diagnostic tools, in-house engineering, and a large team of skilled technicians, they ensure system reliability, energy efficiency, and 24/7 service support. Their expertise spans design-build construction, LEED-certified engineering, and custom fabrication, serving high-profile facilities such as data centers, research labs, and universities.
Bullard's Heating & Air Inc.
San Francisco, CA | 94107
Bullard’s Heating & Air, Inc., is a certified Local Business Enterprise (LBE) specializing in HVAC installation, maintenance, and repair services for both commercial and residential clients across San Francisco.
Brady Air Services Inc. (Brady Air Conditioning Inc.)
South San Francisco, CA | 94080
Brady Air Service, Inc., based in South San Francisco, CA, is a union-affiliated, full-service HVAC contractor established in 2018, continuing a tradition of professional service that traces back to a predecessor company founded in the late 1980s. The contractor offers comprehensive heating, ventilation, and air conditioning installation, repair, and maintenance, including sheet metal fabrication and preventive service plans.
Big Pipe Mechanical
San Francisco, CA | 94124
Big Pipe Mechanical LLC, headquartered in San Francisco, CA, is a union‑signatory plumbing, HVAC, and piping contractor. Their services include installations for wastewater treatment, refineries, power plants, and high-rise buildings, utilizing union labor and emphasizing hands-on training and craftsmanship.
Bell Products Inc.
Napa, CA | 94559
Bell Products, Inc. is a full‑service mechanical contractor founded in 1945 and based in Napa, California, serving the Greater North Bay Area. The company specializes in residential and commercial HVAC system installation, repair, and maintenance, including heat pumps, furnaces, boilers, chillers, and indoor air quality solutions, supported by 24/7 emergency service and tailored warranties.
Bel Air Mechanical Inc.
Oakley, CA | 92253
Bel Air Mechanical, Inc. is a privately held HVAC and architectural sheet metal contractor that delivers commercial mechanical construction, HVAC controls, and maintenance services across the San Francisco Bay Area. The company also handles design‑build projects, tenant improvements, air purification, and pathogen mitigation with a strong focus on customer satisfaction and energy efficiency.
Boneso Plumbing & Mechanical
Paso Robles, CA | 93446
Boneso Plumbing & Mechanical is a medium‑sized, union-signatory licensed plumbing and mechanical contractor based in Santa Margarita and Paso Robles, California. Founded in 2023, the firm specializes in commercial and HVAC/plumbing installations throughout San Luis Obispo County and the Central Coast.
Bay City Mechanical Inc.
Richmond, CA | 94804
Bay City Mechanical Inc. is a design‑build mechanical engineering and HVAC contracting firm serving clients across California. The company specializes in a full suite of mechanical services- including HVAC systems, architectural sheet metal, pipe fitting, building automation, design engineering/BIM, and HVAC service & maintenance- focusing on large-scale projects in sectors such as high‑rise residential, healthcare, and commercial facilities.
Bay Area Mechanical LLC
Santa Clara, CA | 95050
Bay Area Mechanical, LLC is a union-trained HVAC contractor specializing in industrial and commercial services throughout the San Francisco Bay Area. They focus on maintenance contracts for commercial and industrial facilities, providing expert service, repair, and installation of boilers, chillers, and a wide range of HVAC systems. They also offer free estimates for new construction, system replacements, and maintenance programs.
Axis Mechanical
San Jose, CA | 95112
Axis Mechanical is a full-service mechanical contractor specializing in HVAC and plumbing systems for commercial, healthcare, laboratory, and manufacturing facilities. Their in-house team provides comprehensive services- from design and fabrication to installation, commissioning, maintenance, and repairs- with expertise in BIM, energy conservation, and building management systems.
Asco Service Inc.
Gilroy, CA | 95020
ASCO Service, Inc., based in Gilroy, CA, is a locally owned heating, air conditioning, and HVAC service company with over 30 years of experience offering installation, repair, and maintenance for all major brands, along with free installation estimates and certified, radio-dispatched technicians. Their services are available in the South Bay area—including Gilroy, Morgan Hill, and Hollister.
Offers Incentives
Financing Available
Anderson Systems
Goleta, CA | 93117
Anderson Systems is a full-service mechanical contractor specializing in design-build cleanrooms, serving a diverse range of clients across industrial, commercial, R&D, biotech, healthcare, semiconductor, mission-critical, and custom residential sectors throughout the Tri-Counties.
Financing Available
Anderson Rowe & Buckley Inc
San Francisco, CA | 94107
Anderson, Rowe & Buckley, Inc. is a privately held mechanical contracting firm based in San Francisco, founded in 1921, that provides full-service design/build, design/assist, and plan/specification services for plumbing, HVAC, and fire protection systems across the Bay Area.
Alpine Mechanical service company inc.
Pleasanton, CA | 94566
Alpine Mechanical Service Company, Inc. is a family‑owned HVAC contractor based in the San Francisco Bay Area. It provides commercial, industrial, and residential heating, ventilation and air‑conditioning services, including installation, maintenance, equipment upgrades, and 24/7 emergency repairs, backed by union-trained technicians and a fully insured and bonded operation.
All Temperature Service Air Conditioning Inc.
San Jose, CA | 95131
ATS offers a comprehensive range of services, from HVAC systems to plumbing and control solutions in the San Francisco/ San Jose Bay Area.
Allied Heating Inc.
San Rafael, CA | 94901
Allied Mechanical, Inc. is a full-service mechanical contracting company specializing in HVAC, plumbing, and process piping systems for commercial and industrial clients. Based in the Bay Area, they offer design-build, installation, and maintenance services with a focus on efficiency, safety, and customer satisfaction.