About Us Proudly Serving Orange County,
Riverside County, & Los Angeles County

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. We work with homeowners, contractors, businesses, and HOAs to provide state-of-the-art products and workmanship with “20th Century Service” based on reliability, honesty, professionalism, and fairness.

Why Choose 
20th Century Air?

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

  • 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.

Trusted For A Reason

Our Customers Say It Best!
“I would go back for any AC issue in the future.”

Ready To Get Started?

Contact us using our contact form or give us a call at (714) 430-8006.
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