Hi, my name is Fred Zandian .My background was in mechanics before I became a plumbing/heating cooling contractor. I have attended professional classes related to the trade and I have a degree in all of the classes listed below: Contractor License Board Certificate: LIC#974726Backflow tester certified from: A.W.W.ABackflow tester certified from: A.B.P.AContracted tech with the City of Santee for all backflow testing, certifying or repairRAYPAK factory certified tech for servicing all boilersGurney man license from P.H.C.C.Certified tech through R.O.P program for plumbing and HVACAssociate's degree in heating and air conditioning from City Collage