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HEAT LOSS HUB · TOOLBOX
Heat Loss Hub Toolbox
Free heating and heat pump tools
Use the Heat Loss Hub Toolbox to carry out quick heating calculations, check radiator performance and understand some of the figures used when designing low-temperature heating and heat pump systems.
These tools are designed to make common calculations quicker and easier for homeowners, installers and heating professionals.
Radiator Output Calculator
Estimate how the output of an existing radiator changes when operating at different flow and return temperatures. Particularly useful when considering lower-temperature heating systems and heat pumps.
Open Radiator CalculatorMass Flow Rate Calculator
Explore the relationship between heat output, water flow rate and temperature difference using the Heat Loss Hub Mass Flow Rate Triangle.
Open Mass Flow Rate Calculator