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DuctLab: HVAC Duct Layout

DuctLab: HVAC Duct Layout

Sheet metal layout & estimate

3 ratings
3 reviews
🎨 Graphics & Design
Free

Details

  • Released
  • Updated
  • September 7, 2026
  • September 14, 2026

Features

Developer

家宝 戴
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DuctLab: HVAC Duct Layout screenshot #1 for iPhone
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DuctLab: HVAC Duct Layout screenshot #6 for iPhone
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🔄6+ apps
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About

This app helps HVAC professionals create sheet metal layouts and estimates. It generates measurements, diagrams, fabrication steps, and material totals for various duct types, all offline and with a focus on user privacy. Projects are saved locally and can be exported as shareable PDFs.

✓Offline layout calculations
✓No login or account required
✓On-device data storage and processing
✓Four fabrication layout types
✓Live preview and results
✓Material and cost estimating
✓On-device PDF export
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What's New in DuctLab

1.0.1

September 14, 2026

Bug fixes and performance improvements.

User reviews

Most RecentHighest RatedLowest Rated

Very Helpful HVEC Tool

Makes duct calculations and layout planning much faster.
AlexInCityAlexInCity

Response from developer

Thank you so much for the great review! We’re glad DuctLab is helping you speed up HVAC duct calculations and layout planning. We’ll continue improving the tools to make ductwork design and field planning even faster and easier.

Simple and Practical

Easy to use,and the PDF export is great for job sites.👍👍👍👍👍
Nicolas TomNicolas Tom

Response from developer

Thank you for your support! We’re really happy to hear that DuctLab is easy to use and that the PDF export is useful for your job sites. We’ll keep improving the HVAC duct layout and reporting experience for real-world projects. 👍

Great for Duct Layouts

Really useful for planning ductwork and getting measurements quickly.
Chris_O888Chris_O888

Response from developer

Thanks for the 5-star review! It’s great to know DuctLab is helping with ductwork planning and quick measurements. Our goal is to make HVAC duct layout, calculations, and project documentation as simple and practical as possible.

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FAQ

What HVAC duct types can DuctLab create layouts for?

DuctLab supports four fabrication layouts: Rectangular Transition, Square to Round, Duct Offset, and Elbow Layout (rectangular or round). It can develop 45° and 90° elbows with various segments.

Does DuctLab require an internet connection to work?

No, DuctLab is designed to work offline. You can calculate layouts, review references, manage projects, estimate materials, and create PDFs without an internet connection.

How does DuctLab handle user privacy?

DuctLab is private by design. It requires no login, stores all data on your device, and does not upload projects to any cloud service. Customer and job details remain under your control.

What information is included in the PDF export from DuctLab?

The multi-page PDF package includes job information, material estimates, and individual part pages. These pages contain specifications, quantity, seam allowance, diagrams, measurements, totals, cautions, and numbered fabrication steps.

Can DuctLab estimate material costs?

Yes, DuctLab totals parts by quantity, adds waste, compares with stock-sheet dimensions, and estimates costs in USD, CAD, AUD, EUR, or GBP. It supports both Imperial and Metric systems.

What are the supported devices for DuctLab?

DuctLab is currently supported on iPhone devices. It is designed to run geometry calculations, diagrams, estimates, and PDF creation directly on your iPhone.

How often is DuctLab updated?

The latest version of DuctLab is 1.0.1, which was last updated on September 14, 2026. While specific update frequency is not detailed, this indicates recent development activity.

What is the age rating for DuctLab?

DuctLab has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions typically associated with older age groups.