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Equipment Sound Power: exhaust fan roof
Equipment sound power levels (Lw) by octave band for HVAC and mechanical equipment, used in acoustic analysis per ASHRAE Applications Handbook
| equipment type | Lw 125Hz (dB) | Lw 1kHz (dB) | Lw 250Hz (dB) | Lw 2kHz (dB) | Lw 4kHz (dB) | Lw 500Hz (dB) | Lw 63Hz (dB) | Lw 8kHz (dB) | Lw dBA (dBA) | capacity range | equipment description | location | standard |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| exhaust fan roof | 69 | 69 | 70 | 66 | 62 | 71 | 67 | 57 | 72 | 0.25-3 HP | Roof exhaust fan (0.25-3 HP) | rooftop | ASHRAE Applications Handbook 2023 Ch.49 |
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