PRELIMINARY HVAC SIZING
Size the duty. Name the unknowns.
A practical first pass for pump power, fan power, and sensible thermal load—built to show the engineering behind the estimate.
Read the knowledge baseInputs
Pump power
SI
Requested duty pointm³/h
m
kg/m³
decimal 0–1
decimal 0–1
Submit the inputs to see a preliminary result.
Every result is an estimate for early decisions—not certified equipment selection.