On double glazed windows bubble wrap insulation does have some effect up to 20 improvement in heat loss.
Bubble wrap vs plastic window insulation.
In just about 15 seconds per each window you can reduce the heat in your house significantly.
Bubble paper shares this feature with cavity wall insulation by combining with the still captive air the insulation acts as a barrier to heat loss according to the environment site.
And just like that you have bubble wrap insulation.
Put old bubble wrap to good use and save some money in the long run.
Time to use that bubble wrap.
Bubble paper is nothing more than plastic wrapped around many individual volumes of air.
It may feel like you need glue or tape but trust us the water will hold the bubble wrap to your window all winter long.
By insulating single glazed windows with bubble wrap you can reduce up to 50 of heat loss.
Using this technique on triple glazed windows does not bring any improvement.
Inexpensive or free courtesy of your online shopping habit bubble wrap houses tiny little plastic pockets of air providing a tiny buffer zone of insulation that keeps heat from escaping through windows when applied from the inside improving the energy efficiency of your home with little time or monetary investment needed.
Thus the air inside helps bubble wrap to resist temperature changes.
Lastly cut away any excess bubble wrap with your x acto knife to ensure a snug fit.