Off Season Special: Get 20% off this month when you try our services!

AJ Air Conditioning

Keeping LA & OC cool

(562) 474-4000

About Us

Reliable HVAC Professionals


Whether you need a new installation, change out, routine maintenance check, or an emergency repair on an unit, we are available to handle all of your heating, cooling and ventilation needs.  We continually strive to exceed your expectations by ensuring that each you receive the very best service for the best price - guaranteed.

Individualized HVAC Options


We will work with you to find HVAC solutions that fit your heating and cooling needs. We will provide you with a full consultation to explain all of your available options so that you can choose the system that’s right for your home or business.

Customer Satisfaction Guaranteed


We serve both residential and commercial clients and offer a variety of money-saving solutions. We combine our use of the highest quality parts and equipment, and our dedication to delivering  exceptional service to provide you with top quality service.


Sign up to learn tips about keeping your HVAC unit in tip-top shape, year round.

Contact Us

24 Hour Emergency Service Available

We strive to be in constant communication with our customers until the job is done. If you have questions or special requests, just drop us a line. To get a free quote, or for emergency service, please contact us at your convenience. We look forward to serving you!

AJ Air Conditioning Co.

Cerritos, California, United States

Cell: 562-474-4000

Monday - Friday: 7:30am - 5:30pm

Saturday - Sunday: By appointment only

Get a Free Quote