Window insulation film – your old building & basement hack

❄️ Why Kill the Bill insulation film?

Old windows let a lot of heat escape – that costs you money

Our window insulation film is the smart solution: quick to install, affordable, and extremely effective.

Perfect for older apartments, basement windows, and rental properties.

Advantages at a glance

✅ Save heating costs – up to 25% less heat loss

✅ Ideal for old buildings & basements – seals problematic windows

✅ Easy installation – cut, attach, hairdryer on, done

✅ Tenant-friendly – can be removed without leaving residue

✅ Invisible – clear view, no disturbing optics

Study-based effect

Studies show:

• The European Window Film Association (EWFA) found in a large-scale study energy savings of
• 9% to 25% through additional window insulation.*
  

How it works

1. Attach to the window frame using the enclosed Velcro fastener
2. Hold a hairdryer on it → the film stretches and becomes transparent
3. Done – noticeably less draft & more warmth in the room
   

Sustainable & clever

Scope of delivery

• 1× Window insulation film (selected size)
• 1× Velcro fastener

Make your home cozy and lower your heating costs today – order now and feel the difference in just a few days!

*Sources: EWFA Energy Study