SMACNA Duct-U-Lator

Digital version of SMACNA's classic duct-sizing tool for HVAC professionals.

Mobile appfree

A digital version of SMACNA's classic Duct‑U‑Lator provided as a free mobile app that reproduces the wheel’s duct‑sizing guidance for rectangular, round, and oval ducts. It helps HVAC technicians and sheet‑metal contractors speed up duct sizing and reduce reliance on the physical tool, and is published by SMACNA.

Website iOS

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