The refrigerator is likely to be the largest single power-user in your home aside from air conditioning and water heating.
Refrigerator efficiency has made enormous strides in the past few years, largely due to insistent prodding from the federal government with tightening energy standards.
An average new fridge with top-mounted freezer sold today uses under 700 kilowatt-hours per year, while the average model sold in 1973 used nearly 2,000 kilowatt-hours per year. These are national average figures.
Here is a checklist of things that will help any fridge do its job more easily, and more efficiently.