Heat loss from older windows can account for over 40% of the property's total heat loss.
By replacing windows and doors will achieve the following:
- You'll save energy and money
- Indoor temperature becomes more even and you can be more comfortable
- Increases the value of housing
- For better energy labeling of housing
By replacing old windows, insulate against the cold attic, crawl space and exterior walls, calculations from NVE / Multi Consult one can save 34 000 kWh. years.
Try our new energy calculator online