Ductulator — Duct Sizing

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

Mobile appone_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.

Website iOS

Full match profile

Behind the summary, Matchbox keeps a richer profile of Ductulator — Duct Sizing - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

Claim Ductulator — Duct Sizing to unlock →

Try Matchbox with your own problem

Describe what is not working - we’ll show you whether Ductulator — Duct Sizing (or something else) actually fits.

Try a problem