Close curtains and shutters at night, keep radiators uncovered
Closing curtains and roller shutters at night cuts heat loss through windows by 30 to 50%; curtains and furniture in front of radiators block the heat.
Do it yourself
Sources checked on .
HeatingLevel 1 · HabitCost: FreeA few minutesat least 30% less heat lost through windows
Close curtains and shutters when it gets dark. Curtains should not hang over or just above a radiator, or you end up heating the window instead of the room. Keep sofas and cupboards away from the front of radiators too.
Details
| Impact | Not rated · The cited sources don't give a size for this saving, so we don't guess. How we rate impact |
|---|---|
| Estimated saving | at least 30% less heat lost through windows · Lower end of 30–50% less heat loss through windows at night, highest with single glazing in cold weather (Leefmilieu Brussel). (confidence: medium) |
| Who acts | You (tenant) |
| Needs landlord's agreement | No |
| Type | Action |
| Constant or subject to change | Constant · Good practice that barely changes with new laws, prices or services. |
Sources
- 100 tips om energie te besparen (in Dutch) · Leefmilieu Brussel (official source) · checked on