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.

First California Appliances is a family-owned appliance and HVAC repair company based in San Francisco, CA. They provide repair services for a wide range of residential and commercial appliances, including refrigerators, ovens, dishwashers, washing machines, dryers, and HVAC systems such as air conditioners, furnaces, and heat pumps. Their technicians are certified and authorized to service major and luxury brands, offering same-day service across the Bay Area with stocked vehicles to complete most repairs in a single visit. Operating for over 10 years, they serve a broad area including San Mateo, Santa Clara, Marin, Fremont, Berkeley, and more.

Cold Craft, Inc. is a full-service HVAC company serving San Jose, CA, and the surrounding Silicon Valley area. Established in 1991, the company offers residential and commercial heating, ventilation, air conditioning, and refrigeration services, including installation, repair, and maintenance of furnaces, air conditioners, heat pumps, mini splits, geothermal systems, and wine cellar refrigeration. They also provide indoor air quality solutions and have an onsite sheet metal fabrication shop. Cold Craft specializes in complex systems like geothermal heating and wine cellar refrigeration, leveraging decades of experience to meet specialized needs.

Bay City Boiler is a boiler repair and HVAC tune-up company serving San Jose, CA, and the broader Bay Area and Central Valley. Established in 1976, they specialize in boiler maintenance and repair with a large service team and 24/7 emergency support. Their services include fast emergency response and a proactive maintenance program designed to reduce downtime and prevent failures. Bay City Boiler also offers boiler room equipment sales and partners with testing labs to ensure system performance.

Affordable Heating & Air Conditioning is an HVAC company serving Oakland, CA, and the Bay Area. They provide residential and commercial heating and air conditioning services including repair, installation, and tune-ups for all makes and models. With over 20 years of experience, their factory-trained technicians handle heating, cooling, refrigeration, and ventilation systems. The company emphasizes long-term maintenance and system upgrades to ensure reliable operation.

A Plus Heating and Air Conditioning provides heating, air conditioning, and HVAC installation services in Fremont, CA. The company offers a range of indoor comfort products from leading manufacturers such as Lennox, Trane, Carrier, and Goodman. They focus on delivering advanced HVAC solutions and maintain strong relationships with industry manufacturers to ensure up-to-date technology is available to their customers. A Plus Heating and Air Conditioning operates with locations across California, including Northern and Southern regions.

Swift Heating & Air is an HVAC company serving Fremont, CA, offering a wide range of heating and cooling services. Their expertise includes air conditioning repair, installation, and maintenance, as well as furnace and heat pump repair and replacement. They also provide specialized services such as ductless and mini split AC system installation, indoor air quality solutions like air purifiers and dehumidifiers, and commercial HVAC support. The company handles air duct sealing and sheet metal forming as part of their comprehensive HVAC offerings.

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.

O.C. McDonald Co., Inc. is a full-service mechanical contractor based in San Jose, CA, serving the greater Silicon Valley area. The company specializes in HVAC installation, plumbing, process piping, and building automation systems for commercial new construction, retrofits, and residential projects. With over 100 years of experience since 1906, they offer comprehensive design, installation, and 24-hour emergency service through a live operator to address urgent needs promptly.

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.