Marathon Plumbing, Heating and AC Repair is a home comfort provider based in Anaheim, CA, serving the greater Los Angeles, Riverside, and Orange Counties. The company offers a range of services including air conditioning and furnace repair, installation of HVAC systems, and indoor air quality improvements. Marathon specializes in installing energy-efficient and smart-home heating and cooling systems, along with comprehensive plumbing solutions. Established in 1990, Marathon has over three decades of experience in the industry.

Southwest HVAC is an air conditioning and heating service provider based in Los Angeles, CA. Founded in 2007, the company offers AC repair, furnace repair, and HVAC installation services. They serve both Los Angeles and Orange County, providing equipment, installation, and maintenance through a network of manufacturers. Southwest HVAC is known for handling complex installations largely in-house and employs qualified technicians to ensure quality work.

Diamond Air Services is an HVAC company serving Los Angeles, CA, and nearby areas including Ontario, Irvine, and Arcadia. They provide a range of services such as air conditioning, furnace, and heat pump repair and installation, HVAC tune-ups, duct cleaning, thermostat installation, and indoor air quality solutions. With over 20 years of experience, Diamond Air Services focuses on creating comfortable and energy-efficient environments for both residential and commercial customers. Their technicians are trained to maintain ventilation systems and offer clear explanations of repairs and installations to help customers make informed decisions.

Next Level Heating and Cooling provides residential and commercial HVAC services in Long Beach, CA. Their skilled technicians handle heating, cooling, indoor air quality, duct cleaning, and thermostat installation. They offer comprehensive solutions including furnace, heat pump, and mini-split installation and repair, along with air purifiers, UV lights, and zoning systems to optimize indoor comfort. The company emphasizes minimizing downtime for businesses and delivers tailored HVAC services with a focus on quality and reliability.

Lambert Heating and Air Conditioning is a family-owned HVAC company serving Los Angeles, CA, with over 40 years of experience. They provide a range of services including air conditioning and furnace installation, repair, and maintenance. The company emphasizes reliable heating and cooling system replacements and offers upfront pricing. Their technicians are background-checked and respectful of customers' homes, ensuring quality and trustworthy service.

Evans Heating & Air is an HVAC company serving Los Angeles, CA, and the surrounding San Fernando Valley areas including Glendale, Burbank, and Pasadena. They provide a range of services such as air conditioning, heating, heat pump, ductless system installation and repair, as well as indoor air quality solutions. Established in 2016, the company handles residential, light commercial, multi-family, and commercial HVAC needs. One of their capabilities includes refrigerant management for air conditioning systems.

5 Star Air Duct Cleaning is a duct cleaning and indoor air quality service provider based in Los Angeles, CA. They offer a range of services including air duct cleaning, duct system evaluation, installation, removal, dryer vent cleaning and replacement, and furnace cleaning. The company uses high-efficiency vacuums and specialized brushes to thoroughly clean ductwork and improve air quality. With a long history of serving clients in Orange County and beyond, 5 Star Air Duct Cleaning employs licensed and trained technicians to ensure complete and tidy work. They are available 24/7, including weekends and holidays, to assist with urgent needs.

VENT CLEANING & REPAIR PRO is a duct cleaning and indoor air quality service provider based in Los Angeles, CA. They offer a range of services including air duct cleaning, air quality testing, dryer vent cleaning, and HVAC system maintenance. Their technicians are equipped to handle air duct sanitizing, repair, and replacement, as well as dryer vent repair and replacement. The company provides same-day service for emergencies and is available 24/7 to respond to urgent air duct issues. They use advanced tools to improve indoor air quality and address problems such as dust, mold, and lint buildup in vents.

AAA CALVERT Electrical, Heating and Air Conditioning is a family-owned business serving Long Beach, CA, and nearby areas with HVAC, electrical, and indoor air quality services. Established in 1966, they offer installation, repair, and maintenance for air conditioning, heating systems, heat pumps, and electrical systems. Their expertise includes improving indoor air quality to create healthier environments for homes and businesses. With decades of experience, AAA CALVERT provides tailored solutions to meet the specific needs of their customers.

Service Hero provides HVAC repair, installation, and maintenance services in Long Beach, CA. They offer a range of services including air conditioning repair, furnace repair, HVAC tune-ups, and thermostat installation. The company emphasizes regular maintenance to improve system efficiency and longevity, and they serve multiple areas in Orange County. Service Hero is equipped to handle HVAC inspections and repairs, helping customers maintain comfortable indoor temperatures year-round. Their team is available 24/7 for emergency service calls.