Tech 23 Heating and Air Conditioning is an HVAC company serving Santa Ana, CA, and the greater Orange County area. They offer a full range of services including air conditioning and furnace installation, repair, and routine maintenance. Their certified technicians handle system selection, installation, tune-ups, and repairs to keep homes and businesses comfortable year-round. Established in 2004, Tech 23 has over 20 years of experience in the HVAC industry. They also provide 24/7 emergency repair services to address urgent heating and cooling issues.

Todd Gilmore Heating and Air Conditioning has been serving Los Angeles, CA, and surrounding Southern California communities since 1994. They offer a wide range of HVAC services including maintenance, repair, replacement, and new equipment installation for heating, air conditioning, refrigeration, duct cleaning, and indoor air quality systems. Their services cover residential and commercial buildings, with a focus on quality products and applications.

Xpress Heating Air and Solar is an HVAC company based in Los Angeles, CA, offering a range of services including air conditioning repair and installation, heating maintenance, air duct cleaning, and indoor air quality solutions. The company emphasizes personalized service and transparency, with licensed technicians skilled in handling various HVAC systems. They provide 24-hour emergency service to address urgent HVAC needs promptly. Xpress Heating Air and Solar is recognized for its customer-focused approach and technical expertise.

R. F. MacDonald Co. is a boiler repair company based in Los Angeles, CA, serving commercial and industrial clients. Founded in 1956, the company offers sales and service of boilers, pumps, composites, and related accessories. With a team that includes sales engineers, mechanical engineers, parts specialists, and field service personnel, they provide comprehensive support for their equipment. Their proactive field service capabilities distinguish them in the market.

AC Kings Energy Efficient Heating & Air is an HVAC and electrical service provider based in Santa Clarita, CA. They offer a range of services including air conditioning, furnace, and heat pump repair and installation, as well as HVAC tune-ups. The company serves both residential and commercial clients, providing individualized consultations to help customers select the best heating, cooling, and electrical solutions for their needs. They use high-quality parts and equipment and include warranties with their services.

A & L HVAC Sierra Madre is an air conditioning and furnace repair company serving Los Angeles, CA, and many surrounding communities. They provide HVAC repair services across a wide area including Pasadena, Arcadia, Glendale, and more. The company is capable of handling both heating and cooling system repairs with a focus on resolving issues efficiently. Their service area covers numerous cities in the greater Los Angeles region.

US Comfort Building Services is an HVAC, plumbing, electrical, and solar service provider located in Los Angeles, CA. They offer a wide range of services including air conditioning, furnace, heat pump, and boiler repair, as well as air duct cleaning and indoor air quality solutions. Their technicians are trained to handle various systems and equipment, including air purification installations to improve indoor air quality. The company also serves commercial clients with specialized HVAC and electrical needs.

Orange Heating Air Conditioning and Refrigeration provides HVAC repair, installation, and maintenance services in Long Beach, CA. They specialize in air conditioning, furnace repair, commercial AC, and refrigeration systems including industrial and commercial refrigeration, water chillers, ice machines, and walk-in freezers. The company offers 24/7 emergency service to ensure heating and cooling needs are met at any time. Their technicians are skilled in HVAC design, service, and tune-ups, aiming to deliver reliable and efficient solutions.

West Coast Boiler, Inc. is a boiler repair and installation company serving Los Angeles, CA. They provide design and installation of turnkey boiler systems, routine maintenance, and emergency boiler services. Their technicians are factory trained and qualified to service, install, and repair any make or model boiler. The company holds an R Stamp Certificate of Authorization from the National Board of Boiler and Pressure Vessel Inspectors, enabling them to perform repairs and alterations on boilers and pressure vessels. West Coast Boiler, Inc. offers 24/7 availability to address urgent service and repair needs.

Andrew D Cooper Heating and Air Conditioning is a licensed HVAC contractor based in Anaheim, CA, offering a range of heating and cooling services. They provide installation, repair, and maintenance for air conditioners, furnaces, heat pumps, mini split systems, and thermostats. The company also specializes in indoor air quality solutions and offers service agreements to maintain system efficiency. As a Carrier dealer, they supply various indoor comfort products including air conditioners, heat pumps, gas furnaces, and air cleaners. Their certified technicians handle both residential and commercial HVAC needs, with capabilities such as equipment retrofits and Puron® refrigerant handling. The business is family owned and operated and offers extended warranties on new equipment.