You can save cold hard cash on your utility bills by actually putting a dollar bill in your refrigerator. It’s essential that your refrigerator door seal is tight. Leaky doors waste lots of energy over the course of the year. To test the door, close it over a dollar bill. If the bill pulls out easily, you may need to adjust the latch or replace the seal to save some cold hard cash.
Chill Out Leaky Refrigerators With This Test