Black Diamond Heating & Air is an HVAC company serving Oakland, CA, and surrounding areas including Antioch, Brentwood, Byron, Discovery Bay, Oakley, and Pittsburg. They offer air conditioning and furnace repair, installation, and maintenance services for residential, commercial, and industrial clients. Their commercial HVAC capabilities include refrigeration installation and repair, with experience in manufacturing facilities, office buildings, supermarkets, and more. Established in 1984, Black Diamond Heating & Air has decades of experience providing heating and cooling solutions in Contra Costa County.

ACS Air Conditioning Systems is a family-owned HVAC company serving Oakland, CA, and the East Bay Area. Established in 1969, they specialize in HVAC repair, maintenance, and installation for heating and air conditioning systems. As a factory-authorized Carrier dealer, ACS offers expert advice on Carrier products and handles installations with a focus on quality and efficiency. Their services include air conditioning, furnace, and heat pump repair and installation, along with indoor air quality solutions.

Dukes Heating & Air Conditioning is a family-owned HVAC company serving Fremont, CA, and surrounding areas. Since 2005, they have provided repair, installation, and maintenance services for residential and light commercial heating and cooling systems. Their experienced team handles furnace repairs, heat pump installations, and HVAC tune-ups, ensuring year-round comfort. The owner has been in the heating and cooling business since 1971, bringing decades of expertise to every project.

AC Heating and Cooling Service Inc. is a family-owned HVAC company serving San Francisco, CA, and the Bay Area with over 45 years of experience. They provide a full range of heating, ventilation, and air conditioning services for residential, commercial, and industrial clients, including installation, repair, maintenance, and indoor air quality solutions. The company is known for integrating advanced IoT technology in HVAC systems to improve energy efficiency and system performance. They offer 24/7 emergency repair services without extra charges and back their work with a 12-month service guarantee and manufacturer warranties.

Sunny HVAC and Appliance Repair is a service provider based in Fremont, CA, specializing in HVAC installation and appliance repair. They serve the broader Bay Area, including San Francisco, San Jose, Oakland, and Pleasanton. The company offers same-day appointments seven days a week and carries out repairs on major appliance brands, including refrigerators and HVAC systems. Sunny HVAC and Appliance Repair has been in business since 2011 and emphasizes licensed and insured technicians, with a focus on honest pricing and qualified service.

Smart Trail Air Duct And Dryer Vent is a duct cleaning company based in Fremont, CA. They provide air duct and dryer vent cleaning services, focusing on efficient and respectful service tailored to each space. The company emphasizes clear communication and professionalism, serving the local community with a trained and detail-oriented team. Their approach includes thorough cleaning and maintenance to improve comfort and safety.

Stuckert Heating & Sheet Metal, Inc. is a family-owned HVAC and sheet metal contractor based near San Francisco, CA. Serving the Greater Bay Area since 1963, they specialize in residential heating and air conditioning for new construction and remodels. Their services include furnace installation and repair, air conditioning installation and repair, and custom sheet metal fabrication.

East Bay Hydronics is a heating and cooling contractor based in Oakland, CA, serving the Bay Area. They specialize in hydronic systems for both residential and commercial properties, including radiant heating and cooling, boilers, water heaters, solar thermal, and geothermal heat pumps. With over 17 years of experience, they support new construction and remodeling projects.

88hvac is an HVAC installation contractor based in San Jose, CA, specializing in mini split and HVAC system installations. They offer a variety of reheat options tailored to different budgets, including full systems with custom fan coils and condensers, retrofit fan coil systems, and reheat coil additions for existing 5-ton systems. Their equipment inventory includes new and used units ranging from PTACs to mini splits, multi-port splits, package units, boilers, dry coolers, water source systems, and fan coils. They also provide specialty parts such as remanufactured Copeland compressors, circulation pumps, condenser fans, and custom coils for large HVAC and chiller systems.

Renoir Plumbing Inc. is a licensed plumbing and heating company based in Oakland, CA, serving the Bay Area since 1980. They offer a range of services including heat pump and boiler installation and repair, hydronic heating systems, and solar water heating solutions. Their expertise includes working with hydronic heating, which provides quiet and comfortable radiant heat. The company is bonded and insured, with a long history of serving residential and commercial clients in the East Bay and surrounding areas.