Indeed, the windows are the cold zones of a dwelling. Less contact with the windows means less heat loss, and therefore more comfort.
“When we measure the temperature on the surface of the glazing, when it is zero degrees outside, on single glazing we will have 5 degrees inside. If you have double glazing, you will have 12 degrees, with triple glazing we will is at 17-18 degrees”explains Jonas Moerman, adviser at Ecoconso.
In specialized stores, curtains are also popular. For tailor-made, necessarily more expensive, it is necessary to anticipate a little. Hiring an agent will also cost a little more. However, the energy saving is real, even if it is not a thermal curtain.
The investment can therefore be interesting if you have a small budget or if you are tenants: know that in Belgium, one house in two has poorly insulated windows.