Chris (TE certified plumber) was professional and knowledgeable of the work that needed to be done. He installed my washer (hot/ cold water) connection box, installed a refrigerator water line, fixed an expansion tank on water heater, repaired a leaking main water shut-off valve, etc.......needless to say, I'm impressed with TE certified technicians. Also, I have used their electrical services, and again, it was a positive experience.