Winter is coming. Here are our four favorite tips to keep your house comfy, cozy, and warm without having to see your energy bill skyrocket. Tip one, make sure to set your thermostat to 68°.Why 68. I'm so glad you asked. According to the Department of US Energy, setting your thermostat to 68 or to 70° while you're awake and then lowering it while you're asleep or away from home can reduce your energy costs during this winter.If you want these adjustments to be automatic, a smart thermostat is your best frie ...