Duct Design

Duct Design

h2x enables you to create an accurate ventilation (air) and duct design faster with automated calculations, drawing production, and report exports.

Why Use h2x For Duct Design?

Traditional duct design for ventilation (air) systems is time-consuming and tedious, requiring complex calculations followed by manual drawing production and documentation.

However, h2x streamlines the entire workflow by automating critical calculations, generating professional drawings, and producing comprehensive reports to enable engineers to deliver accurate system designs in a fraction of the time.

System Layout

Created with ease of use in mind, h2x allows you to draw layouts efficiently using smart tools, such as drawing multiple ducts at once and automatically connecting components. We understand that designs evolve, so modifying layouts is simple; just drag elements to new positions and they'll stay connected in the right place.

Duct Design System Layout

System Sizing Calculations

Generate detailed system sizing calculations with just one click, independently verified by CIBSE. Adjust your sizing easily using options from a range of international standards to suit your project requirements. Results integrate seamlessly with drawings and reports, updating instantly whenever design changes are made.

Ventilation System Sizing Calculations
Duct Design Drawings

Drawing Exports

Export high-quality drawings at the click of a button. Choose the format that suits your needs: Fully branded PDFs with custom cover sheets, title blocks, notes, and images or AutoCAD files mapped to your specific layers and blocks.

Duct Design Reports

Report Exports

Download comprehensive reports with one click. Access a detailed calculation report for a seamless design review, or a Bill of Materials listing the technical specifications for all of the components in your design, enabling accurate cost estimation.

Try Designing Ductwork in our Software

Test designing a duct system in h2x today and experience how much time you can save:

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Loved by Engineers

★ ★ ★ ★ ★
Brilliant, simple and easy to use. Game changer.

James Major
Director at Hubb

★ ★ ★ ★ ★
h2x is great software, our company use it nearly every day. It is easy to use with direct conversion from h2x to Revit.

Callum Craig
Engineer at WDE

★ ★ ★ ★ ★
A game changer for the humble plumber. Incredible.

Brad Winkel
Director at Queenstown Plumbing

★ ★ ★ ★ ★
h2x is fantastic software. It is very easy to use and the ability to output to Revit is a fantastic time saver.

Joe Kirrane
Engineer at MEP

★ ★ ★ ★ ★
Big time game changer to the industry!

Viv Jude
Director at UHC

★ ★ ★ ★ ★
Incredible software! Super user-friendly and allows you to save so much time.

Devni Gamage
Engineer at DMA

★ ★ ★ ★ ★
The software is very easy to use. The heat load calculation function is particularly impressive.

Toinpre Amaegbe
Senior Mechanical Engineer at ROCMEP

★ ★ ★ ★ ★
We've been using h2x for our mechanical design work and are consistently impressed. Highly recommended.

Edward Jones
Mechanical Engineer at Noquet Building Services

★ ★ ★ ★ ★
The software is fantastic, it's a real time saver and we can install with confidence knowing we have all our maths correct.

Matt Little
Heating Manager at ECO Providers

★ ★ ★ ★ ★
h2x go above and beyond to ensure customer satisfaction. They are flexible, responsive, supportive, and collaborative.

Joshua Musgrove
Director at Eco-Nexus Engineering

★ ★ ★ ★ ★
Wins us more, better jobs. Accurately models complex systems in an easy to use interface. Outstanding customer service.

Nick McPhee
Director at Duo Heating & Renewables

★ ★ ★ ★ ★
Fantastic software, great results and very user-friendly producing great designs and reports.

Timothy Rudd
Director at TJR Heating & Cooling

★ ★ ★ ★ ★
I started using h2x recently and I am amazed how easy it is to produce perfect results every time.

Gary Law
Technical Consultant at EDF Heat Pumps

Duct Design FAQs