Five things to check if your heating system quits working
https://www.slideserve.com/arthuskzh3/5-things-to-check-if-your-heating-system-stops-working-powerpoint-ppt-presentation
You're wearing your coziest thick socks, your scarf 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