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Latest Blogs
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 pressure drop through those narrow microbore pipes tomorrow?
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 deadlines is to pair them with MEP design software built for engineers, so calculations and design layouts stay in sync.
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 to get it right.
Latest Charts
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 to get it right.
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.
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.
Latest Formulas
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 to get it right.
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.
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.
Latest Spreadsheets
FREE Pipe Volume Spreadsheet
Access h2x’s free pipe volume spreadsheet to streamline calculations, optimise design, and enhance efficiency in piping projects.
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.
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.
Latest Calculators
FREE Water Flow Rate Calculator From @h2xengineering:
Water Flow Rate Calculator Use this free Water Flow Rate Calculator to estimate flow rates from plumbing fixtures…
FREE Heat Loss Calculator From @h2xengineering:
Heat Loss Calculator Use the Heat Loss Calculator to calculate heat loss in any room or building by…
FREE Ductulator From @h2xengineering:
Ductulator Use our free online Ductulator to calculate velocity, pressure drop, Reynolds number, and friction factor based on…
Resources
FREE Water Flow Rate Calculator From @h2xengineering:
Water Flow Rate Calculator Use this free Water Flow Rate Calculator to estimate flow rates from plumbing fixtures…
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 pressure drop through those narrow microbore pipes tomorrow?
FREE Heat Loss Calculator From @h2xengineering:
Heat Loss Calculator Use the Heat Loss Calculator to calculate heat loss in any room or building by…
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 deadlines is to pair them with MEP design software built for engineers, so calculations and design layouts stay in sync.
FREE Ductulator From @h2xengineering:
Ductulator Use our free online Ductulator to calculate velocity, pressure drop, Reynolds number, and friction factor based on…
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 to get it right.
FREE Gas Pipe Sizing Calculator From @h2xengineering:
Gas Pipe Sizing Calculator Use our free Gas Pipe Sizing Calculator to determine the required pipe diameter for…
FREE Pressure Drop Calculator From @h2xengineering:
Pressure Drop Calculator Use our free Pressure Drop Calculator to calculate total pressure loss in a pipe based…
FREE Pipe Volume Calculator From @h2xengineering:
Pipe Volume Calculator Use our free Pipe Volume Calculator to calculate water volume in a pipe based on…
FREE Air Duct Velocity Calculator From @h2xengineering:
Air Duct Velocity Calculator Use our free Air Duct Velocity calculator to calculate airflow speed and duct area…
FREE Pipe Velocity Calculator From @h2xengineering:
Pipe Velocity Calculator Use our free Pipe Velocity Calculator to instantly calculate the fluid velocity in a pipe…
FREE Duct Size Calculator From @h2xengineering:
Duct Size Calculator Calculate ductwork accurately and easily using our free Duct Size Calculator to ensure the correct…





























