5 Simple Statements About hvac system design Explained
GRD means Grille, Sign-up and Diffuser. GRD indicates a part is either a grille, a sign-up or maybe a diffuser. It's a generic expression applied to describe nearly anything that’s provide/return and exhaust/consumption air.I have worked within the HVAC industry for about a decade. I have been a contractor, a venture supervisor and also a system