
Warm Window Kit
Single-glazing warmth upgrade
Add a clear insulating layer to draughty single-glazed windows to hold the heat in.
The full range · 17 kits
All prices in USD. Every kit ships ready to use — plug-and-play, no rewiring.
6 kits

Single-glazing warmth upgrade
Add a clear insulating layer to draughty single-glazed windows to hold the heat in.

Warm in winter, cool in summer
A pair of heavy thermal blackout curtains that trap warmth on cold nights and block heat in summer.

Warm the room, not the wall
Reflect radiator heat back into the room and move it around faster so you feel warm sooner.

Stay warm with the heating turned down
Layered warmth so you can turn the heating down a notch — no open flame, no high-draw appliance.

A warmer bedroom, top to bottom
Curtain, door and layer combined so the bedroom holds its warmth through the night.

Get set for the cold in one order
The seasonal essentials to draught-proof, hold heat and stay cosy when temperatures drop.