Ask a Trade
Got a question that only a tradesperson can answer? We have thousands of trades ready to answer any question you may have.
Ask your QuestionHow important is air leakage, the L factor in energy efficiency? Is it a bigger factor than the other factors used to determine energy efficiency or about average?
Asked by Jenny on 24th May 2022"Air leakage is no doubt one of the most important and damming factor when it comes to energy efficiency..
Can you be more specific about which product you need information.. mostly it’s energy efficient windows doors .."