In some cases, window insulation kits can reduce heat loss by 35%. Scientifically, what you’re doing is creating a thermal-trapping, airtight air space between the plastic film and the glass window pane.

What can I put on windows to keep cold out?

Here are eight handy ways to keep cold draughts from coming through your windows.

  1. Secondary Glazing. …
  2. Insulating Curtains. …
  3. Draught Snakes. …
  4. Weather Strips. …
  5. Strategic Caulking. …
  6. Window Insulation Film. …
  7. Window Insulation Tape. …
  8. Get a Secondary Glazing Quote and Keep Draughts Out of Your Home.


How do you insulate windows to keep heat in?

Caulk is a common material for insulating windows, and successful application will help with heat loss.

  1. Use a knife to scrape any old caulk or peeling paint off exterior or interior window edges. …
  2. Fill a caulking gun with silicone caulking.
  3. Apply caulk between the window frame and siding.

Does window insulation really work?

Despite the controversy following any DIY homeowner solution, both window companies and repair gurus consider insulation film to be effective. It really works, and it can increase a window’s insulation for many months. Additionally, insulation film lets in sunlight—which can further warm a window.

How can I save heat in winter?

10 Free Ways to Save on Heating During the Winter

  1. Bundle Up. …
  2. Let the Sun Heat Things Up. …
  3. Close off Unused Rooms. …
  4. Cook or Bake at Home. …
  5. Turn the Thermostat Down. …
  6. Make Sure Doors and Windows Are Closed Tightly. …
  7. Keep Heat From Escaping From Your Ducts. …
  8. Use Ceiling Fans.

How do you install a window insulation kit?

Quote from the video:
Quote from Youtube video: Peel off liner to expose adhesive unfold the plastic film and cut to size allowing. At least 5 centimetres extra on all four sides press the film lightly on the tape at the top edge of the window.

Does putting plastic on your windows help in the winter?

The air kept between the window and plastic is a kind of air insulator that provides extra insulation on your window and keep your home warmer during the winter. Plastic for windows will decrease the draft, which makes sitting next to the window relaxing and cozy again.

Do window insulation kits work in the summer?

Window insulation film is a thin layer of plastic, usually polyethylene teraphthalate (PET), applied to a window to control heat transfer and light. It’s used to keep homes cooler in the summer and protect carpets and furniture from fading caused by ultraviolet light exposure, as well as to hold in heat during winter.

How do you insulate windows for winter and summer?

You can insulate your windows to keep Summer heat out using the following methods:

  1. Weatherstrip Your Windows.
  2. Apply Bubble Wrap.
  3. Install Insulating Shutters.
  4. Install Cellular Shades.
  5. Add Reflective Window Film.
  6. Lay Down Draft Snakes.
  7. Invest in Energy Efficient Windows.
  8. Use Blackout Curtains.


Does bubble wrap really work to insulate windows?

Bubble wrap works by increasing the isolative value of the window, making it effective in keeping the heat out in summer and preventing heat loss in winter. “The still layer of air trapped in the bubbles gives a cheap double-glazed-type effect,” Ms Edwards said.

Does window film keep cold out?

The film works by reflecting heat back inside, dispersing it in the room rather than letting it escape through the window. It also blocks out more of the cold from outside and reduces cold spots inside. This drastically cuts down on your heating costs and increases indoor comfort during the cold winter months.

Does window film reduce heat loss?

Window films (applied to the glazing surface) help block against solar heat gain and protect against glare and ultraviolet exposure. They are best used in climates with long cooling seasons, because they also block the sun’s heat in the winter.

How do I reduce the heat in my window?

  1. Heat Blocking Window Shades. Putting up window shades is a quick fix for solar overheating. …
  2. Blockout Roller or Panel Blinds. …
  3. External Window Shading. …
  4. Bubble Wrap Window Insulation. …
  5. Heat Reducing Window Film. …
  6. Combining Multiple Methods.

    7. How can you reduce heat loss through windows?

    Tips & Tricks

    1. Curtains. One of the cheapest, most effective ways to prevent your home from losing heat is to cover the openings with curtains. …
    2. Sunlight. Remember that big yellow disk in the sky that kept you sweating all summer? …
    3. Close Off Unused Rooms. …
    4. Set timers. …
    5. Replace drafty windows. …
    6. Invest in double glazing.