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
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...
MEP Design Software: Cut Time and Improve Accuracy
Traditional workflows mix spreadsheets, AutoCAD, and Revit. The fastest way to reduce errors, prevent RFIs, and hit...
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...
What is a Ductless Heat Pump? Your Simple Guide to Modern Heating and Cooling
See the benefits of a Ductless Heat Pump - energy efficient, no ductwork, perfect for zoned heating...
How to Design Underfloor (Radiant Floor) Heating: Step-by-Step Guide
Read our underfloor heating design guide, offering a step-by-step approach to planning radiant systems, including tips, calculations,...
What is a U-Value? A Quick Guide for Mechanical Engineers
What is a U-value and why does it matter in building design? Learn how to calculate U-value...
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
The Hazen-Williams and Darcy-Weisbach equations have their merits and limitations, mainly relating to their ease of use...
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...