Comfort Zone Heat and Air is an HVAC company serving Fremont, CA, and surrounding communities. They provide a full range of services including air conditioning repair, furnace and heat pump maintenance, refrigeration of AC equipment, and custom metal fabrication. With over 32 years of experience based in Redwood City, they support both residential and commercial clients with tailored HVAC solutions.

All Bay Insulation & HVAC is a contractor based in Fremont, CA, specializing in HVAC installation, duct cleaning, and indoor air quality services. They provide insulation solutions for residential and commercial buildings, including attic and crawl space insulation, air sealing, and vapor barrier installation. The company uses thermographic scans and blower door tests to identify insulation needs and air leaks, and offers duct blaster testing to measure duct system pressure and detect air loss. With years of experience serving the Bay Area, All Bay Insulation & HVAC focuses on improving energy efficiency and comfort through comprehensive HVAC and insulation services.

Alternative HVAC Solutions is an HVAC company serving San Jose, CA, offering residential and commercial heating and cooling services. They specialize in installing and repairing air conditioners, furnaces, heat pumps, and indoor air quality systems. The company supports a wide range of HVAC equipment brands and emphasizes clean, healthy indoor air. With over 35 years of combined staff experience, Alternative HVAC Solutions brings technical expertise to their service offerings.

Pacific Coast Home Services is a company based in San Jose, CA, offering a range of home services including air conditioning and furnace repair. They serve San Jose and the broader Bay Area with plumbing, heating, electrical, and remodeling services. Their capabilities cover multiple home systems to support residential needs.

Aarvaks Heating & Air Conditioning, Inc. is a family-owned HVAC company serving San Francisco, CA, and the greater East Bay area. Since 1929, they have provided heating and air conditioning installation, repair, and indoor air quality services to residential and small commercial customers. Their expertise includes installing and servicing furnaces, heat pumps, ductless mini-splits, and whole-home air purifiers. Aarvaks is an authorized dealer for Carrier and IQAir products, offering energy-efficient solutions tailored to customer needs.

Cobalt Heating & Cooling is an HVAC company based in San Jose, CA, offering a range of heating and cooling services. They provide installation, repair, and tune-up services for air conditioners, furnaces, heat pumps, mini splits, and thermostats. The company also addresses indoor air quality and gas piping needs. With experience dating back to at least 2003, Cobalt Heating & Cooling handles residential and commercial projects and offers 24/7 support for their customers. One notable capability is their expertise in installing Hitachi mini split AC units, even when units are not purchased directly from them.

Harry Clark Heating and Air Conditioning provides heating and cooling services in San Francisco, CA, and the surrounding Bay Area. They offer installation and repair for air conditioners, furnaces, heat pumps, and mini split systems, along with indoor air quality solutions including PlasmaAir products. Their services cover both residential and light commercial HVAC needs, including system upgrades and routine maintenance. The company is based in Oakland and serves multiple nearby cities such as Berkeley, Alameda, and San Leandro.

JC Climate Control is an HVAC company based in Oakland, CA, offering residential and commercial heating, air conditioning, and refrigeration services. They provide installation, repair, maintenance, and sales of HVAC systems, including duct work and commercial refrigeration equipment. The company has over 20 years of experience in the HVAC industry and has been serving California since 2007. JC Climate Control offers 24/7 service availability to support their customers' comfort needs at any time.

Compare Heating & Air Conditioning is an HVAC service provider based in Oakland, CA. They specialize in repairing air conditioners, furnaces, and heat pumps, servicing all major brands including Carrier. The company offers comprehensive heating and cooling repair solutions to residential and commercial customers in the Oakland area.

AC Heating and Cooling Service Inc. is a family-owned HVAC company serving Oakland, CA, and the broader Bay Area with over 45 years of experience. They provide a full range of heating and cooling services including installation, repair, maintenance, and indoor air quality solutions for residential, commercial, and industrial clients. Their skilled technicians use advanced technology to efficiently diagnose and resolve HVAC issues, offering capabilities such as emergency 24/7 repair services without extra charges. The company emphasizes quality workmanship and uses high-quality parts to ensure reliable and long-lasting system performance.