20th Century Air Quality, Honesty, Reliability

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

Indoor Air Quality in Orange County

Proudly Providing HVAC Solutions Across Riverside & Los Angeles Counties

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? Would you believe that the quality of the air in your home may be worse than the outdoor air? It’s true! One downside to all the energy-efficient products of our day is that they are designed to keep as much of the cool/warm air as possible inside the home, resulting in the growth of indoor air contaminants.

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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

Committed to Providing a safer air for your Home & Business

20th Century Air is committed to improving the air quality in your home. Our certified technicians are experienced in the following indoor air quality methods:

  • Air filters
  • Air purifiers
  • Duct cleaning
  • Duct replacement
  • Duct sealing
  • Fresh air intake systems
  • Humidifiers/Dehumidifiers
  • Insulation

Contact us today with any questions you may have! We will come to your home, inspect your system and make recommendations on the current state of your home’s air quality and how to improve it.

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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.