An Unbiased View of hvac system design
GRD means Grille, Sign-up and Diffuser. GRD indicates a component is both a grille, a register or maybe a diffuser. This is a generic time period applied to describe something that’s provide/return and exhaust/intake air.Contrarily, non-DX or oblique growth refers to gear like chillers which use chilled water as being the medium of heat transfer