Ductulator — Duct Sizing

Size HVAC ducts instantly from airflow, friction or velocity, with no charts required.

iOSApp Store (US)★ 4.7 · 345 ratingsone_time

A mobile app that sizes HVAC ducts instantly from airflow, friction, or velocity, providing a range of suitable duct dimensions without using paper charts. It speeds up manual duct-sizing for HVAC engineers, designers, and contractors and is available as a commonly used, well-reviewed tool in app stores.

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