How To Choose The Right Fridge & Freezer
Ian Dennis
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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