Heat Retention
Warm Window Kit
Single-glazing warmth upgrade
Add a clear insulating layer to draughty single-glazed windows to hold the heat in.
$32USD · one-time · ships ready to use
What's in the kit
- 2 x thermal window film sheets
- Included
- Double-sided mounting tape
- Included
- Squeegee
- Included
- Illustrated guide
- Included
Typical range
Heat kept in the room6–14%
Draughts sealed5–12%
Typical ranges vary by home, habits and local tariffs. Figures are guidance, not a guaranteed saving.
- Rental-safe — fits with no drilling and nothing left behind.
- Plug-and-play — no rewiring and no electrician required.
- Delivered across our shipping regions with tracked dispatch.
