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Business Details
Welcome to 20th Century Air - Top notch heating and air conditioning installation, maintenance, and repair, proudly serving all of Orange County, LA County, and Riverside County. What do we bring to the table? A unique combination of modern, state-of-the-art products and good old fashioned "service with a handshake."

We are a family owned and operated company with over 30 years experience in the heating and cooling industries. To us, 20th Century Service means fair prices, reliability, honest dealings, and impeccable service - that create customers for life. We have extensive knowledge and experience in the most up-to-date industry trends, while maintaining the old school service our customers love.
Services
About
We are a family owned and operated company specializing in heating and air conditioning installation, replacements, maintenance, and repair in Orange, LA, and Riverside Counties. We have been in business for over 30 years and are proud to have earned a stellar reputation among our customers over the years - so much so that our business has grown and thrived by word of mouth from satisfied customers.
Air Conditioning
20th Century Air, Inc. has been installing quality air conditioning systems in Orange County, LA County and Riverside County homes for over 30 years. We have extensive knowledge and expertise in the air conditioning industry and have developed a solid reputation over the years among homeowners, contractors, and businesses as a premier air conditioning installation, maintenance, replacement, and repair company.
Heating
Despite living in sunny Southern California, most homeowners still need heat for some of those chilly winter nights. At 20th Century Air, we are the experts on all things heating in Orange County, LA County, and Riverside County. We are experienced, knowledgeable, and professional - and we recommend only what is best for your home, your needs, and your budget.
Maintenance
At 20th Century Air, we pride ourselves on our proactive approach to heating and air conditioning care. We take the time to educate our customers on the best ways to preserve the life of their heating and air conditioning system, keeping them in tip top shape and running smoothly for many years to come.
Commercial HVAC
You work hard to keep your business running smoothly. Operations, customer service, bookkeeping, deadlines and schedules, quality control - all systems must be in place and running at full speed in order to keep the business going and the customers happy. Your facilities must also be in tip-top shape to keep your employees firing on all cylinders and your customers comfortable.
Indoor Air Quality
Ever think about the importance of the air we breathe? Air keeps us alive. Living near LA, we know all to well about outdoor air pollutants such as smog, smoke, fumes, etc. These pollutants are known to affect our ability to breathe, our lung function, our overall health. What happens when the air we breathe indoors is of a suboptimal quality?
HOAs
20th Century Air is happy to partner with HOAs in Orange County, LA County, and Riverside County to service all their heating and air conditioning needs. We will keep your neighborhood homes heated in winter, cooled in summer, and with high air quality all year round! We can install new or replacement systems, perform regular maintenance checks and tune-ups, and perform repairs anytime you need them.
Faq
We are licensed, bonded, and insured, and all of our employees have worker's compensation. Financing is available through the HERO Program which offers financing for eligible homeowners for energy efficient upgrades and improvements (including HVAC). Every heating and air conditioning system we install comes with a manufacturer's warranty.
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