Energy and renewables
Heat pump water flow rate
Calculates helper volumetric flow from user-provided heat power and fluid properties.
Related calculators
Heat pump COP
Calculates heat pump COP as heat output divided by electric power.
Carnot heat pump COP for heating
Simple estimate calculator for ideal Carnot COP in heating mode from user-provided absolute temperatures.
Heating energy
Calculates heat energy from mass, specific heat, and temperature change.
Water heating power from flow and delta T
Estimates water heating power from volumetric flow rate and temperature difference.
Heat-loss energy through partition
Calculates heat-loss energy through a partition from U-value, area, temperature difference, and time.
Battery C-rate
Simple estimate calculator for C-rate from user-provided current and Ah capacity.