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.

Around the Clock Service, Inc. is a heating, cooling, and plumbing company based in San Jose, CA. They provide repair services for furnaces, heat pumps, and air conditioning systems for both residential and commercial customers. The company has been serving the area since 1968 and offers 24-hour emergency service to address heating, cooling, and plumbing issues at any time. Their technicians explain repair issues clearly to help customers understand the work being done.

Master Maintenance Home Services is a family-owned HVAC company based in San Jose, CA. They provide a range of services including repair, installation, and maintenance for air conditioners, furnaces, heat pumps, boilers, and full HVAC systems. Serving San Jose and the broader San Francisco Bay Area, they focus on helping homeowners maintain comfortable indoor environments year-round. Their offerings include system replacements and tune-ups, delivered with an emphasis on honest and straightforward service without upselling.

Bayvalley Mechanical Inc is a plumbing and piping contractor based in Oakland, CA, serving Hayward, Fremont, Union City, Newark, Tracy, Tri Valley, Silicon Valley, and nearby areas. They specialize in boiler installation and maintenance, along with trenchless sewer solutions, backflow installation, and hydro jetting for drain cleaning. With over 20 years of experience, Bayvalley Mechanical Inc focuses on safety, integrity, and quality workmanship for both residential and commercial clients.

Blown Away is an HVAC company based in Fremont, CA, specializing in air conditioning, furnace, and heat pump repair and installation. They provide services across the Fremont area, focusing on heating and air conditioning systems with licensed expertise. The company holds a California CSLB license (#1135076), ensuring professional standards in their work.

Euro Climate Heating & AC is a mechanical contracting company based in San Jose, CA, specializing in heating, air conditioning, and climate control solutions. They offer a range of services including AC and furnace repair, installation, and HVAC tune-ups. The company is capable of handling preventive maintenance programs as well as the design and installation of complex engineered systems. Euro Climate emphasizes quality service and technical support while aiming to build long-term client relationships through consistent performance.

R.F. MacDonald Co. is a boiler repair and installation contractor serving Oakland, CA. Founded in 1956, the company provides commercial and industrial boiler services, including sales and maintenance of boilers, pumps, composites, and related accessories. With a team of sales engineers, mechanical engineers, parts specialists, and field service personnel, they offer comprehensive support for boiler equipment. Their focus on proactive field service distinguishes them in the industry.

Airteks.com Inc is an HVAC installation contractor based in Fremont, CA. They specialize in installing air conditioning units, furnaces, and heat pumps. The company is known for handling complete unit replacements with professionalism and care. Their team focuses on delivering quality installation services to meet the heating and cooling needs of local residents.

Galaxy Heating & Air Conditioning is an HVAC contractor based in San Francisco, CA, serving the San Francisco Bay Area including Alameda, Contra Costa, San Mateo, and Santa Clara counties. They provide a wide range of heating and cooling services such as installation, maintenance, and repair for air conditioners, furnaces, heat pumps, ductless mini-splits, and indoor air quality systems. Their certified technicians specialize in same-day heating repairs, emergency HVAC services, and comprehensive preventative maintenance plans to enhance system efficiency and longevity. With over 15 years of experience since 2009, Galaxy holds California B, C-10, and C-20 licenses and offers 24/7 phone support with emergency service whenever possible.