Five things to examine if your furnace stops working
http://tysonljop943.angelfire.com/index.blog/1686534/five-things-to-inspect-if-your-furnace-stops-working/
You're using your coziest thick socks, your headscarf is tightly wrapped around your neck and shoulders and there's an unmistakable chill in the air. You aren't outside, however standing in your house, shivering