20th Century Air Quality, Honesty, Reliability

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

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Let’s Get to Work

How Can We Help You Today?

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.
    Learn More
  • 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

Trusted For A Reason

Our Customers Say It Best!
    “Timely, Courteous, & Got the Job Done”
    “They worked around my schedule for a consult. The technician was timely, courteous, and got the air conditioning back up and running within 15 minutes. Needless to say my house is now freezing cold. This company is fair, reliable, and didn't try to upsell ”
    - Paul T.
    “5 Stars!”
    “Great business with generous owners who do great work”
    - Alec M.
    “They are amazing. We cannot thank them enough!”
    “My mother in laws AC unit went out at her manufactured home. It was during this heat wave and she was concerned it would take week or two to get it fixed. 20th century air was phenomenal as always. They came out and fixed it the next day.”
    - Jen R.
    “It's a good feeling to work with honest folk.”
    “I moved into a new home and thought I needed AC repair. Turns out I just had a dirty filter that kept the unit from blowing cold air. I just paid the service fee and called it a day.”
    - Ronnie E.
    “Honest, Dependable, & Flexible”
    “These guys are on top of their specialties. We been their clients for almost 3 years now. Honest dependable and flexible. That goes pretty much on prices as well as availability.”
    - Eric O.

Contact 20th Century Air Today!

We’re Ready to Help

A member of our team will be in touch shortly to confirm your contact details or address questions you may have.

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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.