An Unbiased View of hvac system design
GRD stands for Grille, Register and Diffuser. GRD indicates a element is either a grille, a register or possibly a diffuser. It's really a generic phrase utilized to describe anything at all that’s supply/return and exhaust/intake air.HRV stands for Warmth Get well Ventilator. HRV is really a heat recovery devices That usually transfer the warmth