Service Areas

Areas We Serve

Anaheim
Bellflower
Brea
Buena Park
Chino
Chino Hills
Corona
Covina
Diamond Bar
Fullerton
Garden Grove
Glendora
Irvine
Jurupa Valley
La Habra
La Habra Heights
Lakewood
Norco
Orange
Placentia
Pomona
San Dimas
Santa Ana
Seal Beach
Villa Park
Walnut
West Covina
Westminster
Yorba Linda

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“Quick scheduling, fast quotes, and responsive.”
“Although they originally no-showed, they did good business by rescheduling immediately and providing an additional discount. I think that generally made up for it and deserves 5 stars.”

- Albert C.
“Thank you, 20th C Air!”
“We have found that 20th C Air gives the best prices on the highest quality condensers. The owner Scott is kind and responsible and ready to give great customer service, even when unexpected hiccups appear.”

- A. L.
“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.
“Highly recommend”
“Daniel my guy! He came through and fixed our AC. I had a feeling it was the filter or freon. He came showed me where to change the filter. And recommended me do it every 3 months. He didn't try to up sell me on anything. Kept it real and kept the AC runnin”

- Don S.
“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.
“Friendly & Personable”
“20th Century Air is fantastic, they have been servicing my home HVAC system for about 5-6 years now without any issues. All the techs are friendly and personable. I even recommend them to my clients for my home inspection business.”

- Jeff B.
“I would go back for any AC issue in the future.”
“Juan was punctual and very honest with his work. I really appreciate him bringing his own shoe covers for walking around the house. The pricing was fair.”

- Sweet L.
“I would go back for any AC issue in the future.”
“Juan was punctual and very honest with his work. I really appreciate him bringing his own shoe covers for walking around the house. The pricing was fair.”

- Sweet L.

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Why Choose 20th Century Air?

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.

Ready To Get Started?

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

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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