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.

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.

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.

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.

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.