Custom Mechanical Sales (CMS) is a manufactures’ representative of high quality commercial and industrial equipment for the heating, ventilation and air conditioning (HVAC) industry. Serving the San Diego community since 1985, CMS has many years of experience in the application of our products.

Our goal is to provide the owner, engineering and contractor communities with premier products that solve all needs related to HVAC. From cooling a small office building to providing a laboratory control system and a large central plant for a pharmaceutical facility, CMS ensures engineered solutions that meet our customers needs. A diverse range of products offer our customers one single-source provider for their entire HVAC system. This eliminates the need to mix and match multiple vendors for major equipment purchases thereby reducing problematic coordination and responsibility issues on projects. 

With a team of qualified sales engineers, with an average of 15 years experience each, we are staffed to support your needs from the initial engineering design stage through construction, validation, and commissioning. Our portfolio encompasses hundreds of successfully completed projects throughout the San Diego and Los Angeles area.

CMS is a systems solution provider working with an array of service organizations that can guarantee your equipment performs as designed throughout its service life.

We look forward to working with you on all your HVAC needs!