Since 1993 Allison Mechanical, Inc. has steadily grown to become one of Southern California's premiere HVAC contractors and is recognized on the national level by achieving the United Association S.T.A.R. company certification and the United Association Green S.T.A.R. company certification. Specializing in the fields of air conditioning, refrigeration, heating, ventilation, and energy management, our highly qualified technicians provide our customers with over 300 cumulative years of service, maintenance, installation and retrofit design experience.

Allison Mechanical, Inc. is prepared to quickly and efficiently respond to any mechanical emergency situation that our customers might encounter 24 hours a day and 365 days a year. Utilizing state of the art GPS based vehicle location system and cellular assisted dispatching, Allison Mechanical, Inc. is very proud to provide same day responses to our customers' service requirements at every opportunity. With over 25 experienced, union and factory trained service and installation technicians backed by an office team of sales, dispatching and customer service representatives, Allison Mechanical, Inc. has provided solutions to our customers' needs from Santa Barbara to San Diego for over a decade.

Los Angeles and San Diego HVAC contractor