Glass is a poor insulator, and windows are a prime entry point for cold or hot air. Especially if they are dated or have not been properly sealed the outside air will seep into the indoor conditioned ...

Bubble wrap can be put on windows to help insulate a room and can be found at Bunnings for just $5. (Getty/Facebook) ...

It sounds like something you'd see in a viral joke post - someone pressing shipping bubble wrap against their living room window and calling it home improvement. Yet across forums, energy-efficiency ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...