DGL Air Conditioning & Heating Inc is an HVAC company serving Anaheim, CA, specializing in air conditioning, furnace, and heat pump repair along with indoor air quality services. Founded in 1990, the company focuses on providing comprehensive heating and cooling solutions tailored to customer needs in the Orange County area. Their technicians receive ongoing training to ensure safety and effective service, and they offer advice on maintaining HVAC systems to improve home comfort and efficiency.

Alturas Heating Ventilation And Air Conditioning is a Los Angeles, CA-based HVAC company offering a wide range of heating, cooling, and ventilation services. They provide commercial and residential HVAC installation, repair, and maintenance, including air conditioning, furnace, heat pump, mini split, thermostat, and indoor air quality services. The company specializes in commercial kitchen hood and exhaust fan installation and repair, as well as refrigeration and blast freezer repair. With over 8 years of industry experience, Alturas Contractors serves Los Angeles and surrounding communities, delivering tailored HVAC solutions for various industries. They also offer 24/7 emergency HVAC services to address urgent heating and cooling needs.

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.

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.

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.

L & R Heating & Air Conditioning Inc is an HVAC company based in Los Angeles, CA, serving the South Bay area and surrounding communities. They provide installation and repair services for residential and commercial heating and air conditioning systems. The company has been in business since 1952 and offers preventive maintenance contracts to help maintain system performance. Their technicians stay updated on the latest technology through ongoing training.

Varitek Heating & Air Conditioning Contractors is an HVAC company serving Anaheim, CA, and the surrounding areas. They provide installation, repair, and maintenance services for heating and cooling systems, including furnaces, air conditioners, heat pumps, and ductless mini-split systems. The company also offers indoor air quality solutions such as air scrubber installation and advanced air filtration systems. With over 20 years of experience, Varitek specializes in comprehensive HVAC services and offers 24-hour emergency service to address urgent needs.