5 Essential Elements For hvac system parts
GRD stands for Grille, Sign-up and Diffuser. GRD implies a part is either a grille, a sign-up or a diffuser. It's a generic phrase made use of to describe everything that’s source/return and exhaust/intake air.IU means Induction Device. IU is a secondary air-con device that is usually Found near the target cooling/heating House. It requires in ai