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. 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.