Reliable HVAC Professionals

F.M. Thomas Air Conditioning has been in business since 1974. Quality workmanship has earned us a reputation as one of Southern California's premiere commercial HVAC contractors. 

We will work with you to find HVAC solutions that fit your 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 business. F.M. Thomas is also a certified GSA HVAC & Controls Contractor.


Individualized HVAC Options

Whether you need a maintenance check or an emergency repair on a heating or cooling unit, we are available to handle all of your all of your HVAC and Controls needs. We strive to exceed your expectations by ensuring that each of our clients receives individualized service. 


Customer Satisfaction

We serve commercial clients in Los Angeles, Orange, San Bernardino and Riverside counties. F.M. Thomas offers a variety of solutions and combines the use of the highest quality parts and equipment with our dedication to deliver exceptional service. We also provide a one-year Parts & Labor Guarantee.