6 tips to heat the house and to save energy

It has now been a decade since the formulation of Factor 4 and Factor 10 theories. Factor 4 assumes that ur society can maintain the same service level with a reduction to 1/4 of consumed resources. Factor 10 refers in particular to the building sector, where the same level of comfort can be achieved with one-tenth the energy used. Continue reading 6 tips to heat the house and to save energy