Design Faster, Safer, and Smarter
We help engineers create highly accurate designs.
Trusted by Industry-Leaders











What do you design?
Built for:
Loved by Engineers
Watch how h2x helped Leon's engineering team
From start to finish: accurate calculations, smooth workflows, and an easy review process.
Why Teams Choose h2x
Built by Engineers,
for Engineers
Created by industry experts frustrated with traditional processes, h2x was designed with a deep understanding of engineering workflows and challenges.
★ ★ ★ ★ ★
Customer focused, easy to communicate with, and invested in my success! The team go above and beyond.
Joshua Musgrove
Director at Eco-Nexus


Easy to Learn
h2x is intuitive, backed by 150+ video resources, live training sessions, free learning tools, and a dedicated team ready to get you onboarded quickly. Plus, enjoy 24/7 support and live demonstrations to help you hit the ground running.
★ ★ ★ ★ ★
I've recently started using h2x and it's probably the most user-friendly software I've ever used.
Jamie Donaldson
Construction Manager

What Makes h2x Special

Custom Settings
Define your own standards and system parameters.

Accurate Calculations
Calculate precise sizes for your whole engineering system.

Intuitive Design Tools
Speed up the drawing process with our smart design tools.

Product Database
Access manufacturer-verified data for specifications.

Automated Estimating
Generate detailed material lists and cost estimates.

Drawing Exports
Export designs to PDF or integrate with CAD/Revit.

We're here to help!
Free Trial and Demonstrations
Live Training Sessions
150+ Video Resources
Free Learning Tools
24/7 Instant Support
h2x Insights
Read about what heat loss is, why it's important, how heat losses occur, and most importantly, how you can calculate it simply and easily.
See why pipe sizing matters, what issues poor sizing causes, how to avoid them, and most importantly, how to size pipes step by step.
Learn what duct sizing is, why it matters, how airflow is affected, and most importantly, how to calculate it quickly and accurately.