Sample data from Engineering Database — 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
Equipment Sound Power: fan axial large
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| fan axial large | 87 | 87 | 88 | 84 | 80 | 89 | 85 | 75 | 90 | 25-100 HP | Large axial fan (25-100 HP) | mechanical room | ASHRAE Applications Handbook 2023 Ch.49 |
What else is in Engineering Database
Iron Engine ↗Engineering AI at ironengine.ai
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators