Sheet: Esp Calculation Hvac Excel

These are the factors usually missing from generic sheets that cause field failures.

You have two options:

| Component | Qty | PD per Unit (in.w.g.) | Total PD | | :--- | :--- | :--- | :--- | | Supply Side | | | | | 50 ft rigid duct | 1 | 0.10 | 0.10 | | (4) 90° elbows | 4 | 0.07 | 0.28 | | Supply diffuser | 2 | 0.08 | 0.16 | | Return Side | | | | | 30 ft flexible duct | 1 | 0.15 | 0.15 | | Return grille | 1 | 0.06 | 0.06 | | MERV 8 filter | 1 | 0.18 | 0.18 | | Subtotals | | | | | Supply Total | | | 0.54 | | Return Total | | | 0.39 | | Calculated ESP | | | 0.93 in.w.g. | | +15% Safety Factor | | | 1.07 in.w.g. | esp calculation hvac excel sheet

👉 You now know your fan must deliver the required CFM at 1.07 in.w.g. These are the factors usually missing from generic

If you’re designing large commercial systems, your Excel sheet should include: | 👉 You now know your fan must