Installing double glazing can cut heat loss through windows by half. If you can't afford to replace all the windows, why not choose the rooms that cost you the most to heat?
Double glazing works by trapping air between two panes of glass creating an insulating barrier that reduces heat loss, noise and condensation.
For more details on how double glazing works, costs, savings and other considerations see the Energy Saving Trust information page1.
- FENSA3 (Fenestration Self-Assessment Scheme)
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