Heating Mistakes That Increase Your Utility Bill Regardless of where you are, winter weather will bring colder temperatures than normal. It’s the time of year when heating systems are used non-stop. Although cranking up the heating is one quick way of being cozy, it might not be the best option for your energy bill. In fact, heating and air conditioning account for most of the energy usage in households. That’s why you should think about energy efficiency and how you can keep warm without the added costs. Here are common mistakes that make heating cost more: Cranking up the temperature A lot of people don’t realize that cranking up the heating won’t really do any good especially if they are doing it to get warm fast.