Insulation/ CALCULATOR

Air changes to ventilation airflow

Convert floor area, average ceiling height and a chosen air-change rate into continuous airflow.

Ventilated floor aream²Use only the connected volume served by this ventilation calculation.

Average ceiling heightmUse a volume-weighted average for sloping or mixed-height spaces.

Chosen air-change rate1/hUse a value established from the applicable standard and the actual building—not a universal default.

Connected indoor volume

312.00 m³

Equivalent continuous airflow

156.00 m³/h

Equivalent continuous airflow

43.33 L/s

Air volume moved per day

3,744.00 m³/day

A single well-mixed connected volume and a constant equivalent air-change rate. Occupant demand, room-by-room supply and extract rates, local exhaust, infiltration, pressure balance, duct resistance and commissioning measurements remain separate design checks.

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Insulation

Ventilation fan electricity

Estimate daily and period electricity use from the measured or rated supply and extract fan power.