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Central
Air Conditioners - Cool Large Areas
Heat
and humidity can certainly bring down productivity in the workplace.
You can make conditions more comfortable for work by installing
central air conditioners if the work area is large, in which case
one small air conditioner would not be enough. So, if you wish
to cool the entire house or the office you need to install central
air conditioners.
Normally
central air conditioners works on the principle of transferring
heat from one station to the other with the help of a transporting
media which is a refrigerant commonly known as Freon. There are
two parts in central air conditioners as it is a split system.
One part is the air handler which is placed inside the home and
the other part is the condensing unit which is located outdoors.
In
order to cool the inside of your home, the central air conditioners
remove the heat from the air inside and transfer it to the air
outside. The indoor part of the system contains a refrigerant
coil across which the indoor air is passed and then it is released
outside. This process brings down the temperature inside to the
desired level as per the thermostat setting.
Useful
hints for buying central air conditioners
You should choose the system that would suit your local climate
and the total cooling load. You can either go in for evaporative
coolers that are useful in hot and arid regions such as the southwest
or you can choose the compressor-driven central air conditioners.
You
will also have to work out the size of the system needed.
You
should look for a SEER rating higher than 12.0 when you are looking
for a central air conditioner.
If
you have ducts for an existing forced-air heating system, the
central air conditioner system could be linked to these ducts,
depending upon their size and the relative heating and cooling
loads of your home. You can take the advice of a good HVAC contractor
in this regard.
For
efficient operation of a central air conditioner, proper sizing
and installation are essential. It will be difficult to regulate
humidity with too large a unit and if the unit is too small, you
might not get adequate cooling on very hot days. Efficiency can
come down with improper unit location, lack of duct insulation,
improper duct sealing, and incorrect refrigerant charge.
Important
aspects which should be considered while buying a central air
conditioner are: provision of a fan-only switch, a filter check-light
and an automatic-delay fan switch. You should also choose a central
air conditioner that does not make too much noise.
If
the outdoor (compressor) unit of the central air conditioners
needs to be replaced, you should find one, which will be compatible
with the existing indoor (blower coil) unit. An old blower coil
would not be suitable for a highly efficient outdoor unit.
It
is necessary to get an electrician to assess your home's electrical
supply such as the voltage and amperage capacity before installing
central air conditioners, as it needs a constant 230-volt circuit
and 20 to 50 amps of power.
Just
a few thoughts as you are looking at appliances. There are many
more appliance articles in our appliance
section. There is more specific information in the links at
the beginning of this article. They can guide you where you need
to go.
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