Southern California Air Conditioning Supply Co was started in April 1974 by Len Blottin and Dave Dennison. The first year we sold only regs, grills and rotary vents. Buy the second year we added metal duct and fittings an have kept on growing from there. Buy May of 1976 we out grew our 1'st location and moved to 683 Vernon way in El Cajon. On April of 2003 Dave Dennison sold his 50% of So Cal to the employees through an ESOP. On April 1 2006 we moved to our present at 1000 N. Jonhnson ave in El Cajon.