1. Cover Your Windows
Even if you have relatively new windows, they are still a major source of heat loss. With this in mind, you should take steps to cover them immediately if you have any reason to believe that a power outage will last for an extended period of time.
Ideally, you will already have plastic shrink film in place to reduce your electric and gas consumption during the winter. This plastic will also provide some much-needed insulation if the power goes out. Additionally, it is very smart to invest in heavy blackout drapes to keep the heat in.
In a pinch, you can cover your windows with newspaper in place of the plastic sheeting. It may also be a good idea to put a layer of newspaper on top of the plastic to further reduce your heat loss. If you do not have curtains or thick drapes, you can tack up an old blanket, comforter or sheet over your windows to achieve a similar effect.
Photo by Metro Centric