An ADEME study indicates that, on average, one-third of the energy used to heat water is lost.
With regard to applicability, we have chosen to target users with an equivalent energy consumption per square metre exceeding 70 kWh/m²/year, on the assumption that certain recommended measures are already being implemented in the most energy-efficient homes.
To find out more about this rule in our model, run the calculation by clicking on the button below.
Calculate your climate footprint in just 10 minutes .
Start the test