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
Cooling Load Calculation: Complete Guide with Worked Examples
In the realm of mechanical engineering, understanding cooling load calculations is paramount. Whether you're a seasoned engineer...
Selecting The Right Radiator Size (Chart Included)
Discover the perfect radiator size for your space with our comprehensive radiator size chart. Achieve optimal heating...
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...
Understanding Thermal Bridging and Its Impact on Building Heat Loss
Learn how thermal bridging affects heat loss in buildings. Explore solutions and insights to improve energy efficiency.
Fixed Speed vs. Variable Speed Pumps
Uncover the pros and cons of fixed vs. variable speed pumps in h2x Engineering's informative blog post....
101 on Expansion Vessels (Includes Calculation Example)
Gain a comprehensive understanding of expansion vessels inside this informative blog. Includes a calculation example for practical...
The Importance Of Correctly Sizing Recirculation Pumps In Heat Pump Systems (Includes A Worked Example)
Discover the importance of accurately sizing recirculation pumps in heat pump systems along with a worked example...
Pipe Sizing for Heat Pump Systems (Includes a Worked Example)
It is commonly stated throughout the industry that heat pumps require 28mm pipes. This is a myth,...
Boiler Systems vs. Heat Pumps: Key Factors To Consider
Making an informed choice about boiler systems vs heat pumps involves understanding their high-level differences, technical nuances,...
Calculating Heat Loss: A Step-by-Step Guide
Learn how to calculate heat loss for HVAC system design.
Heat Pump COP and SCOP: What They Mean and Why They Matter
In this guide, we explore the significance of heat pump COP and SCOP, essential factors to consider...
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...
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...