DuctLab: HVAC Duct Layout

DuctLab: HVAC Duct Layout

Sheet metal layout & estimate

5 ratings
4 reviews
Free
In-App Purchases

Details

Released
September 7, 2026
Updated
October 29, 2026

Features

DuctLab: HVAC Duct Layout screenshot #1 for iPhone
DuctLab: HVAC Duct Layout screenshot #2 for iPhone
DuctLab: HVAC Duct Layout screenshot #3 for iPhone
DuctLab: HVAC Duct Layout screenshot #4 for iPhone
DuctLab: HVAC Duct Layout screenshot #5 for iPhone
DuctLab: HVAC Duct Layout screenshot #6 for iPhone
iphone
iphoneDuo
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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 while keeping data private and offline.

✓Offline functionality
✓No login required
✓Privacy-focused design
✓Multiple fabrication layouts
✓Live shop results preview
✓Material and cost estimating
✓On-device PDF export
Show original description

What's New in DuctLab

1.0.3

October 29, 2026

Adapted for iPhone Duo. Bug fixes and performance improvements.

2

Subscriptions & In-App Purchases

DuctLab Monthly

Get full Pro access with a monthly plan.

$9.991 Month
7 Days trial
How to cancel DuctLab subscription ⁉️

User reviews

Don’t install worthless

Can’t use without upgrading to pro it won’t let you bypass ether trying a free trial or choosing a pay for plan. These apps need to give you a option to try before having to buy or do a trial plan which they know you will forget about so they can just charge you

Response from developer

Thank you for your feedback! We understand your concerns, but we'd like to clarify that DuctLab offers a **7-day free trial with no charge during the trial period**. You can explore all the Pro features for a full week before paying anything. If the app doesn't meet your needs, simply cancel the subscription before the trial ends, and you won't be charged. If you find it useful and decide to continue, the subscription fee will apply after the trial period. Our goal is to give everyone enough time to evaluate the app without any upfront cost. We appreciate your feedback and hope you'll give DuctLab a try!

Very Helpful HVEC Tool

Makes duct calculations and layout planning much faster.

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.👍👍👍👍👍

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.

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.

Developer apps

FAQ

What HVAC duct layouts can DuctLab create?

DuctLab can create four types of fabrication layouts: Rectangular Transition, Square to Round, Duct Offset, and Elbow Layouts for both rectangular and round ducts. Each layout provides detailed measurements, diagrams, and fabrication steps tailored to the specific design.

Does DuctLab require an internet connection to work?

No, DuctLab is designed to work completely offline. You can calculate layouts, review references, manage projects, estimate materials, and create PDFs without an internet connection, making it ideal for job sites.

How does DuctLab handle user privacy?

DuctLab prioritizes privacy by not requiring a login or any personal information to start. All data, including customer names, job numbers, dimensions, and costs, is stored and processed on your device, with no cloud uploads or proprietary services.

What are the subscription options for DuctLab?

DuctLab offers two subscription plans: DuctLab Monthly for $9.99/month with a 7-day free trial, and DuctLab Yearly for $49.99/year with a 7-day free trial. These subscriptions unlock full access to the app's features.

Can DuctLab estimate material costs?

Yes, DuctLab can estimate material costs in USD, CAD, AUD, EUR, or GBP. It totals parts by quantity, adds waste, compares results with stock-sheet dimensions, and rounds up the sheet count for accurate cost projections.

What units of measurement does DuctLab support?

DuctLab supports both Imperial and Metric units of measurement. You can easily switch between systems, and the app will convert stored dimensions accordingly.

How frequently is DuctLab updated?

The latest version of DuctLab is 1.0.3, and it was last updated on October 29, 2026. While specific update frequency isn't detailed, this indicates recent development and support.

What devices is DuctLab compatible with?

DuctLab is currently supported on iPhones. It is designed for mobile use, leveraging on-device processing for all its calculations and features.