5 Simple Statements About hvac system diagram Explained
GRD means Grille, Sign-up and Diffuser. GRD signifies a component is both a grille, a register or a diffuser. It is a generic term made use of to explain nearly anything that’s source/return and exhaust/consumption air.Now you know what HVAC stands for and what an HVAC system is, you can far better understand your property's heating, cooling, and