Air Quality Heating & Air Conditioning is a full-service HVAC contractor based in San Jose, CA. They provide installation and repair services for air conditioning, furnaces, and heat pumps. Serving San Jose, Santa Clara County, San Mateo County, and nearby areas, the company has been operating since 1999. Their team focuses on delivering tailored heating and cooling solutions without high-pressure sales tactics.

20th Century Air is a family-owned HVAC company serving Long Beach, CA, specializing in heating, air conditioning, and indoor air quality services. They provide installation, repair, and maintenance for air conditioners, furnaces, heat pumps, and thermostats. The company is experienced in ensuring compliance with California's energy efficiency regulations and uses advanced technologies like smart thermostats to optimize system performance. With over 35 years in the industry, 20th Century Air offers energy-efficient solutions tailored to the local climate and focuses on maintaining comfortable, functional indoor environments.

Western Heating & Cooling is based in Stockton, CA, specializing in optimizing heating and cooling systems for the dry climate of the Western United States. The company services all major HVAC brands and focuses on improving energy efficiency by addressing the unique challenges of arid environments. One specific capability includes blower fan motor upgrades to enhance system performance. Western Heating & Cooling was created to bring innovations inspired by research at the UC Davis Western Cooling Efficiency Center to practical use.

Air Attack Heating and Cooling is an HVAC company serving Sacramento, CA, and surrounding areas. They provide a range of services including installation, repair, and maintenance for air conditioners, furnaces, heat pumps, boilers, and mini split systems. The company covers multiple nearby communities such as Davis, Woodland, and Roseville, among others. Their team is equipped to handle HVAC tune-ups and system replacements to maintain comfortable indoor environments throughout the year.

George Harris Heating & Cooling offers heating and cooling services in Long Beach, CA. They provide AC repair, furnace and heat pump installation, HVAC tune-ups, and 24/7 emergency HVAC services to maintain comfortable indoor temperatures. Their team diagnoses issues such as thermostat faults and refrigerant leaks and installs energy-efficient heating systems tailored to each property. With years of experience, George Harris Heating & Cooling delivers personalized solutions and around-the-clock availability for urgent heating and cooling needs.

Riverside Bros - Heating & Cooling Contractors is a family-owned HVAC company based in Riverside, CA. They provide a range of services including AC repair, furnace and heat pump repair, duct cleaning, thermostat installation, and indoor air quality solutions. Their team of NATE Certified technicians offers same-day and 24-hour emergency AC services to support customers whenever needed. The company is known in the Riverside area for its commitment to quality and dependable service.

Air Doctor is an HVAC installation contractor based in Long Beach, CA. They provide heating, ventilation, and air conditioning solutions for both residential and commercial properties. The company serves Torrance and the surrounding areas, focusing on quality HVAC and refrigeration services.

Nelson Air Heating & Air Conditioning provides HVAC installation services in Anaheim, CA. They handle installation for a variety of systems including air conditioners, furnaces, heat pumps, boilers, mini splits, and geothermal heat pumps for both residential and commercial clients. The company installs all major HVAC brands and emphasizes quality materials, efficiency, and workmanship.

Kailey Air Systems is an HVAC company based in San Jose, CA, offering installation, repair, and maintenance services for a wide range of heating and cooling systems. They service major HVAC equipment including air conditioners, furnaces, heat pumps, boilers, mini splits, and geothermal heat pumps. Their certified technicians work throughout San Jose and nearby cities such as Santa Clara, Sunnyvale, Mountain View, and others, providing comprehensive HVAC solutions.

MC Heating and Air Conditioning is a family-owned HVAC company based in Riverside, CA, with over 35 years of experience. They provide a range of services including installation, repair, maintenance, and air duct cleaning for residential and commercial customers primarily in Riverside County and Orange County. Their technicians are trained to handle heating and air conditioning systems, ensuring efficient operation and extended equipment life. The company offers emergency HVAC services and backs their work with satisfaction guarantees.