20th Century Air Quality, Honesty, Reliability

Proudly Serving Orange County, Riverside County, & Los Angeles County Since 1987

Service Finance Partners

We are proud to partner with Service Finance to allow our customers the opportunity to stay comfortable all year long even during the worst of times. Give us a call at (714) 430-8006 if you have any questions about your finance options. 

Call (714) 430-8006 today to learn how we can meet your heating and air conditioning needs. We look forward to serving you!

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Discover the 20th Century Difference

  • FAQ's Have Questions? We Have Answers!
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  • Get to Know Us
    Learn about our company history and who we are.
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  • Club Maintenance Membership Signup/Resign

    The Club maintenance membership includes 2 visits per year:

    One visit includes the maintenance of the air conditioning system.

    The other visit would include the maintenance of the heating system.

    As a club member, you would be on our priority scheduling list if any issues arise.

    As a club member, you would have exclusive discounts which would include:

    • 10% repair discount
    • 5% system replacement discount
    • 5% IAQ (Indoor Air Quality) discount
    Sign Up

Contact 20th Century Air Today!

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  • Financing Solutions Available
    Ask us about our available financing options. Our valued partnership with Service Finance means that we can help you through any emergency no matter your situation.
  • Customer Care Focused
    We are capable, experienced and willing to help you find HVAC solutions. We promise to do it with a smile on our faces and treat your home with integrity and respect.
  • 35+ Years Experience in HVAC
    With over 35 years in the HVAC industry, we believe in staying up to date on the latest technology and remaining dedicated to delivering quality solutions to our customers.
  • Family Owned & Operated
    We are proud members of our community and take pride in serving families like ours across Southern California. We're from the area, know the area, and take solace in knowing there isn't much that will surprise us in our service area.