Observed arrival · 2026-09-24

2Duct keeps HVAC drafting in AutoCAD

2duct.com Visit website

Editorial interest 74/100 Selection signal · not a rating of the site

An AutoCAD plugin for routing 2D HVAC ductwork, adding components and annotations, and producing quantity schedules.

Landing page captured for the 2026-09-24 issue.

For: HVAC engineers and AutoCAD duct drafters
Worth noticing: Each drawn entity retains service, shape, dimensions, and component information when the DWG is reopened.

Field notes

The workflow begins by choosing a service—Supply, Return, Extract, Existing, or Fresh—and the site says the corresponding layer and color are applied automatically. Listed AutoCAD builds span versions 2022–2027, with different .NET requirements noted for version groups; the installer is said to select the compatible build.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

◎NicheUnusually specific use

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