Now with more people at home more often, you need to find ways to cut back on the amount of electricity youre using. Since your HVAC system accounts for 46% of your electricity bill, you can save the most money by adjusting your thermostat. If you set it to 78 degrees in the summer, you can lower the room temperature by another four degrees by using your ceiling fan. Switching that laundry wash setting from hot water to cold can save you another $22. If youre doing seven loads a week, you could save $27 a week.