The h2x Blog
We publish practical guides, top tips and trends, latest news, and more stories related to the mechanical, plumbing and fire industry.
Latest Articles
Radiant Floor Heating (UFH) Design Software: 5 New Features In h2x
New features from h2x enable simplified, fast radiant floor (underfloor) heating design with custom flexibility.
Choosing the Right Design Software for Radiant Floor (Underfloor) Heating Systems
h2x vs LoopCAD: See why engineers are switching to cloud-based radiant floor/underfloor heating design software for 2x...
The Thermodynamics of Comfort: Why Radiant Floor & Underfloor Heating is Superior
Radiant Floor (Underfloor) Heating is sometimes thought of as a luxury add-on, but it can deliver so...
You Were Hired to Deliver BIM. Revit Alone Won’t Get You There.
Why the path to true MEP information modeling runs alongside Revit — not deeper into it.
h2x: The Smartest Hevacomp Replacement for Design Engineers
With Hevacomp reaching end of life on January 1st, 2026, building services and MEP engineers need a...
Why Should Radiant Floor Heating (UFH) Design Engineers Adopt h2x?
The h2x software platform – now with brand-new enhancements for radiant / underfloor heating designs – offers...
Stop Over-Engineering: How Right‑Sizing Saves MEP Projects Money and Resources
Each time an architect changes the plans, engineers face a decision: spend days recalculating everything, or just...
How h2x Eliminates The Spreadsheet Burden
A wall shift, added bathroom, or layout tweak can invalidate an entire spreadsheet pack. Learn how h2x...
Why h2x Is the Natural Successor to Hevacomp — And Why Engineers Should Make the Switch Now
What is more dangerous to an engineering firm: a software that doesn't work, or a tool that...
Friction Factor: The Small Coefficient Driving Pressure Drop
If you want to size a pipe or duct accurately, you must calculate the friction factor: a...
BS EN 12831-1:2017: Why Diversity is the Secret to Accurate Heat Loss
For decades, engineers have relied on the simple summation of room heat losses to size systems. However,...
Can You Use Microbore Pipe With A Heat Pump?
Your radiators work fine today, but will the lower temperature of a heat pump cause too much...
Featured (Must-Read Blogs)
How To Calculate Duct Size: A Comprehensive Guide
Learn how to calculate duct size effectively with h2x's comprehensive guide below. Improve airflow and efficiency within...
What Are Cv and Kv? Flow Coefficient Formulas & Valve Sizing Explained
Learn how flow coefficient (Cv) impacts valve sizing. Explore their calculation, importance in fluid dynamics, applications, and...
Calculating Heat Loss: A Step-by-Step Guide
Learn how to calculate heat loss for HVAC system design.
Hazen-Williams vs. Darcy-Weisbach: Which Should You Choose?
Compare Hazen-Williams and Darcy-Weisbach for pipe friction loss, accuracy, simplicity, fluid type, and when to use each...
How to Size Water Pipes
To size water pipes correctly is critical for the performance of your design. Below, we will explore...
The Importance of Calculating Residual & Static Pressure
Water pressure is an essential aspect of every plumbing system. Here, we explain the importance of calculating...
Highlights (Free Downloads)
Ductulator Chart: Practical Guide for Mechanical Engineers (Free Download)
Duct size directly affects noise, energy, and layout, which is why you should use the Ductulator Chart...
FREE Pipe Volume Spreadsheet
Access h2x's free pipe volume spreadsheet to streamline calculations, optimise design, and enhance efficiency in piping projects.
Hardy Cross Method – Sizing a Ring Main (FREE Spreadsheet)
Flow rate and friction loss in a pipe network system can be difficult to calculate. When the...