Bubble wrap for warmth - New Zealand News - NZ Herald
Stay Away from Foil-Faced Bubble Wrap - GreenBuildingAdvisor
For cheap insulation, put bubble wrap on your windows to help keep the heat in. Just spray them with water and the bubble wrap will stick to the window. : r/Frugal
How to Bubble Wrap Windows for Winter Warmth (2 Easy Methods) - Dengarden
Use Bubblewrap as Insulation: Bubblewrap windows with Thrifty Guardian