Knowledge Centre

  • Filter by Category:

  • Filter by Type:

Filter by Category

Choose from the drop-down filters below to get started, or simply browse our resources down below

Mechanical

Plumbing

Fire

Default on page load (not selectable)

Resources

Latest Blogs

Underfloor Heating Design Guide

Underfloor/Radiant Heating: A Step-by-Step Design Guide

Read our underfloor heating design guide, offering a step-by-step approach to planning radiant systems, including tips, calculations, and more.

View resource
What is a U-Value

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 and R-value with formulas in this guide for mechanical engineers.

View resource
MVHR Design

MVHR Design: Mastering Calculations For Efficient Ventilation

Master MVHR design and calculations for efficient ventilation, reduce energy use, improve air quality, and enhance system performance.

View resource

Latest Charts

A Guide To Air Duct Pressure Drop Calculation For Optimal HVAC Performance

Discover the science behind efficient HVAC systems! Explore h2x Engineering’s insightful blog on Air Duct Pressure Drop Calculation for optimal airflow design.

View resource

Selecting The Right Radiator Size (Chart Included)

Discover the perfect radiator size for your space with our comprehensive radiator size chart. Achieve optimal heating efficiency today.

View resource

Understanding Flow Coefficient: A Guide for Valve Sizing

Learn how flow coefficient (Cv) impacts valve sizing. Explore their calculation, importance in fluid dynamics, applications, and more in our guide today!

View resource

Latest Formulas

Underfloor Heating Design Guide

Underfloor/Radiant Heating: A Step-by-Step Design Guide

Read our underfloor heating design guide, offering a step-by-step approach to planning radiant systems, including tips, calculations, and more.

View resource
What is a U-Value

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 and R-value with formulas in this guide for mechanical engineers.

View resource
Hydronic Design Software

Exploring Hydronic Design Software with h2x Engineering

Dive into hydronic design software with h2x! Understand the formula, optimise performance, revolutionise HVAC design, and more.

View resource

Latest Spreadsheets

how to use pipe volume calculator 1 pipe size internal

FREE Pipe Volume Spreadsheet

Access h2x’s free pipe volume spreadsheet to streamline calculations, optimise design, and enhance efficiency in piping projects.

View resource
H2X PIPE SIZING SOFTWARE

H2X vs Spreadsheets

Since its launch back in 1985, Microsoft’s spreadsheet application Excel has gone on to become recognised as the leading program for the organisation and calculation of data.

View resource
Sizing a Ring Main hardy cross method ring main inlet

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 pipe network is in a ring main (also known as a closed-loop) formation, the calculations are extra difficult.

This difficult calculation is very common for fire hydrant ring main size designs and the ring main design calculations.

View resource

Latest Calculators

R-Value Calculator

FREE R-Value Calculator

h2x Tools R-Value Calculator Calculate the R-values and U-values of various materials based on your input for thermal…

View resource
Ductulator Velocity

FREE Ductulator

h2x Tools Ductulator Easily calculate duct sizes, pressure drops and velocities with our free online Ductulator. Get accurate…

View resource
Air Duct Velocity Calculator

FREE Duct Size Calculator

h2x Tools Duct Size Calculator Calculate ductwork accurately and easily using our free Duct Size Calculator to ensure…

View resource
Mechanical
Plumbing
Fire

Resources

Underfloor/Radiant Heating: A Step-by-Step Design Guide

Read our underfloor heating design guide, offering a step-by-step approach to planning radiant systems, including tips, calculations, and more.

View resource

Heat Loss Training

Heat Loss Training Webinar Join Our Training Webinar on Heat Loss!   Monday, 16th December 2:00 PM (GMT)…

View resource

Heating Design Training

Heating Design Training Webinar Join Our Training Webinar on Heating Design!   Tuesday, 17th December 4:00 PM (GMT)…

View resource

FREE R-Value Calculator

h2x Tools R-Value Calculator Calculate the R-values and U-values of various materials based on your input for thermal…

View resource

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 and R-value with formulas in this guide for mechanical engineers.

View resource

MVHR Design: Mastering Calculations For Efficient Ventilation

Master MVHR design and calculations for efficient ventilation, reduce energy use, improve air quality, and enhance system performance.

View resource

MVHR Explained: What It Is, How It Works & Is It Worth The Investment?

Learn what a Mechanical Ventilation with Heat Recovery (MVHR) system is, how it works, the energy-saving and air quality benefits, key components, and more.

View resource

FREE Ductulator

h2x Tools Ductulator Easily calculate duct sizes, pressure drops and velocities with our free online Ductulator. Get accurate…

View resource

How to Balance Radiators: A Step-by-Step Guide

Learn how to balance radiators for even heat distribution, improving comfort and energy efficiency. Modern technology makes this process easier and more precise.

View resource

Buffer Tanks 101: What They Are, How They Work, How To Size Them & Do You Even Need One?

Learn all about buffer tanks: what they are, how they work, worked examples, sizing tips, installation, maintenance, and more for optimal HVAC system efficiency. Most importantly, we’ll explain why you likely don’t need one.

View resource

How Does A Hot Water Recirculating Pump Work?

Learn how a hot water recirculating pump works, their benefits, types, installation tips, energy savings, and maintenance for increased home comfort!

View resource

How Do Air Source Heat Pumps Work?

Find out how air source heat pumps work, their costs, benefits, and much more. Learn if they are the right heating and cooling solution for your home today!

View resource