Eco(logical) balance sheet
An eco(logical) balance sheet analyzes the entire life span of a product or process including the associated ecological effects and evaluates the material and energy amounts during the life span and the environmental damage resulting from this.
The effectiveness of a boiler refers to the ratio between its heat output and the input fuel power at a specified time of operation.
see also standard efficiency, annual efficiency
Electric hot water heater
Electrical appliances that generate hot water. They are available as electric tankless heaters, electric storage tanks, or electric mini-tanks.
The escape of solid, liquid or gaseous materials from systems or technical processes that get into the air, water or other areas of the environment.
Exhaust air collector
The exhaust air collector conducts the heat that it extracts from the exhaust air back into the heat pump.
The expansion vessel serves to collect heating water during the volume change due to the heating up or the release of heating water during the cooling down of the system. Its function is to convey the cooled-off heating water back into the heating system.