Winter is here. You can feel the chill as temperatures plunge. You turn on the heater, and now the energy bill goes up. You wonder why the rooms don’t keep warm and the heater runs all the time. If you have some big windows or glass sliding doors, I think you would love to learn this trick to trap heat inside your rooms and save on heating bill. It is very simple to use bubble wrap to do that as you can see from below picture. Most of the tutorials teach you how to use one layer to isolate, you actually can get extra isolations using two layers. If you happen to have clear glass windows, the side benefit of this solution is that you get some more privacy. Enjoy.
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