With colder weather right around the corner, it’s about that time to start wearing more layers and turning up the heat. But when the temperature starts to drop below zero, it can be hard to stay warm no matter how many scarves and coats you wear – unless you really crank up the thermostat which can leave you with gargantuan electric bills. So for the best ways to heat things up, and not spend a fortune doing so, check out these 9 hacks to stay warm this fall.