Refrigerator/Freezer
Side-by-side refrigerator/freezers typically use about 35% more energy than models with the freezer on top.  Manual defrost models typically use about half as much energy as automatic defrost models.  There are exceptions to these rules, so it pays to check the EnergyGuide Label.

Choose the right size refrigerator/freezer for your needs. Too large a model will cost more and will result in wasted space and energy.  Too small a model leads to extra trips to the grocery store.

Look for models with an energy-saver switch that allows you to turn off small heaters in the cabinet when the humidity is low. These heaters prevent condensation of moisture but are usually not needed in Arizona's dry climate.

There are two basic freezer types - chest (top loading) and upright (front loading). Chest freezers are typically 10-15% more efficient because they are better insulated and because cold air doesn't spill out when they are opened.

Don't keep a second refrigerator for only a few items. If you must use a second refrigerator or freezer, don't keep it in a hot area, such as a garage, patio or carport.

Defrost your freezer whenever one-quarter inch of frost develops. Clean refrigerator coils three or four times per year.

Arrange refrigerator shelves so you don't have to rummage around with the door open. Keep the door closed as much as possible.

Don't place uncovered liquids in the refrigerator. The liquids give off vapors that add to the compressor work load.

Keep the refrigerator and freezer compartments full but not overcrowded.

Turn your refrigerator to a warmer setting when you're going on vacation. It will stay cold as long as the door is not opened.

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