Most people are prone to running their heater all the time during the winter. But though this can keep your home warm, it can also lead to a costly energy bill. According to Energy Star, most Americans spend an average of $2,000 a year on their energy bills, and almost one-third of those funds are because of your heater. At Cahill, we are committed to helping our customers have a functional HVAC unit without breaking the bank. There are a few things you can do with your HVAC unit to conserve some energy, but did you know that your thermostat can also help you save?