How To Choose The Right Fridge & Freezer By Ian Dennis At Isnare.com Ezine Articles

Modern Fridge & Freezer Features:

An LCD suggesting what type of foods should be stored at what temperatures and the expiration date of the food stored.

Filter Status Indicator tells you when it's time for a change.

A cooling zone in the refrigerator door shelves. Air from the freezer section is diverted to the refrigerator door, helping to keep milk or juice in the door shelf colder.

An in-door ice caddie, which relocate the icemaker storage to the freezer door and saves approximately 2 cubic feet (60 L) of functional freezer space. It is also detachable, and helps to prevent icemaker clogging. In-door ice caddies are exclusive to side-by-side Fridge Freezers.

A power failure warning, alerting the user to the failure, usually by flashing the temperature display.

Frost-free operation. Over time atmospheric water vapor condenses onto the cooling coils as ice, which can eventually build up into a layer several centimeters thick. This can be removed by emptying the refrigerator and turning it off so that the ice melts. In a Fridge & Freezer equipped for frost-free operation, a heater and a thermostat are fitted around the cooling coils. The cooling is periodically switched off (varies between every 6 to 24 hours depending on model) and the heater turned on until the temperature around the coils slightly exceeds the freezing point of water, after which normal cooling is resumed. This melts any ice which has collected around the coils and prevents it from building up.

The maximum temperature reached during the power failure may be displayed, along with information on whether the frozen food has defrosted or may contain dangerous bacteria.

An gradually more important environmental concern is the disposal of an old Fridge & Freezer - initially because of the Freon coolant damaging the ozone layer, but as the older generation of refrigerators disappears it is the destruction of CFC-bearing insulation which causes concern. A modern Fridge & Freezer usually use a refrigerant called HFC-134a (1,2,2,2-tetrafluoroethane) instead of Freon, which has no ozone layer depleting properties.

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