Serving Los Angeles Since 1946
At Don Glenn Heating & Air Conditioning, we specialize in air conditioning and heating for both residential and commercial applications. We have been proudly serving our neighbors in the San Fernando Valley and San Gabriel Valley areas for more than 75 years!

    CONTACT US TODAY
    TO SCHEDULE SERVICE
    Enter your information below and we’ll get right in touch with you.





    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    We Might Be Old But Our Technology Isn’t!
    At Don Glenn Heating & Air Conditioning, we take pride in offering the most up-to-date and efficient HVAC technologies for every room in your home. We specialize in the installation of Bryant® HVAC equipment, including everything from energy-efficient AC units to cutting-edge ductless systems. We will continue to train to bring you the latest in HVAC products and equipment.
    Our Services
    When you need professional HVAC service for your home or business in the Los Angeles area, count on Don Glenn Heating & Air Conditioning.
    Installations
    Whether your furnace has failed and you need a new one installed or it’s simply time to upgrade to a more energy-efficient AC unit, our professional HVAC contractors can provide you with a high-quality new system, installed properly and according to the warranty’s requirements.
    Maintenance
    One of the best decisions you can make for your comfort at home or in the office is to sign up for an HVAC maintenance program. For a nominal fee, we will perform routine tune-ups and repairs on your HVAC system to keep your equipment in tip-top shape year-round.
    Repairs
    We do HVAC repair services better than the local competition. When many HVAC service technicians would immediately recommend replacement, we can more accurately diagnose problems and provide repair solutions that save our customers hundreds or even thousands of dollars.

      CONTACT US TODAY
      TO SCHEDULE SERVICE
      Enter your information below and we’ll get right in touch with you.





      This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

      See Our Work for Yourself!

      Don Glenn Heating & Air Conditioning is proud to share photos of some of our heating and air conditioning installation projects in our gallery. To schedule service in the Los Angeles area, please call or submit the contact form.

      Schedule a Service Appointment

      Our heating and AC company is here for our neighbors in the Los Angeles area. To schedule service, please call Don Glenn Heating & Air Conditioning today or submit the contact form and we will respond ASAP!

      Testimonials
      Here's what our customers have to say about our company!
      Randy get's it done, his team and him got a new install done in 2 days and you couldn't tell they had been there other then the cool air they...
      Brendan P.
      Randy de Vera is a reliable and honest Heating Professional. He repaired our wall heater in no time at all. It is working now. I highly recommend him!
      Bill M.
      Randy DeVera - whose dad has been running Don Glenn for decades - showed up 45-minutes early, diagnosed the problem and fixed it quickly. This, after two different companies tried...
      Joe G.
      For well over a decade, we've depended on Don Glenn to fix the AC that came with our home. (We run it alllllll through summer.) They've been able to diagnose...
      Tanya B.
      My family has lived in Pasadena since 1979. I wanted to share the great experience we have with Andy & Randy over the past years (decades). My family trusted Andy...
      Crown V.
      Latest News
      Don Glenn Heating And Air Conditioning Thumbnail

      Coming Soon
      Stay tuned for more updates…
      View Details
      Read More News
      Partners in Success
      Here are just some of the high-quality manufacturers that we are partnered with:
      SCHEDULE SERVICE