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Calculating heat loss
The calculated transmissions loss is the sum of the heat losses from each individual section of the building.
Calculating pressure loss
To select the right pump and achieve proper balance in the system, it is necessary to calculate the pressure loss throughout the system.
Calculation of flow
In order to calculate pressure loss in a heating or cooling system it is essential to know the volume flow rate Q.
Carbon credit
A carbon credit can be used for trading in the carbon market.
Carbon offsetting
When you pay someone else to remove the GHGs you emitted into the atmosphere, it’s called carbon offsetting.
Cast iron
Cast iron is an alloy of iron, silicon and carbon.
Cavitation
Cavitation occurs when the pressure of a liquid at a constant temperature falls below its saturated vapour pressure point (or boiling point).
CE marking
The CE mark is the manufacturer’s/importer’s proof that their product meets the requirements stated in the relevant EU Directives and EN standards.
Central heating
The term central heating covers hydronic heating systems with a central boiler or furnace either inside the building being heated or in the immediate vicinity.
CFC (Chlorofluorocarbon)
CFC and HCFC refrigerants are detrimental to the breakdown of the ozone layer and the greenhouse effect.