Simple changes in your habits and your home can help you cut your winter heating bill this season. Here are the 4 winter heating mistakes that are likely driving up your bill. Mistake 1: Setting the thermostat to the incorrect setting. The biggest issue we see in winter heating bills is setting the thermostat too high . Do you really ne/ed your heat at 78°? Instead, turn down the heat and put on a sweater. Sounds old fashioned but it’s the way to feel comfortable inside and save on your he...