AV Design Toolkit

Rack Heat & Cooling Calculator

Add every device in the rack (or the room) — the tool sums the heat load, the exhaust airflow, and the circuits.

Devices
Mains voltage (V)
Temperature rise ΔT (°C)

1 W = 3.412141633 BTU/hr · exhaust airflow at the chosen ΔT. The ventilation fan's own electrical draw is not included — that belongs to the building's general electrical design.