Air Conditioning FAQ
the air-conditioning in cars responsible for the hole in the
to a small extent. Up to approximately ten years ago only top of
the range models had air-conditioning. The list included some
Lorries, Tractors and Combine Harvesters. All over the world,
all the above vehicles and including domestic appliances such as
fridges, freezers, aerosol cans etc., all used R12 (a
refrigerant) or 'CFCs'. These all belong to the same family. Up
until the 80's it was maintained that R12 was safe to release
into the atmosphere. This refrigerant R12 is only found in cars
manufactured until approx '1993'. There are other types of
refrigerant to replace R12 but these are slightly more
expensive. Nearly all modern cars use R134a, a refrigerant which
is Ozone friendly. R134a can affect global warming if released
into the atmosphere, which is why a safe handling licence is
required to use this refrigerant.
should I have my air-conditioning serviced if it's working ok?
Your air-conditioning system needs servicing the same as your
car engine. It needs oil for the compressor or it will seize up.
There is a filter that collects debris and moisture from the
coolant, eventually the filter gets blocked, this will lessen
the performance of the system and consequently the unit will
stop working. You can guarantee it will be at the hottest time
of the year.
Preventative maintenance and Regular servicing will
SAVE YOU MONEY
do I know when its time for my air conditioning to be charged?
Questions to ask yourself
How old is my car?
Normally you would not need to recharge your system for
approximately 4 years from new. After that, every 2 to3 years
depending on usage.
When was it last recharged?
Are there any stickers under the bonnet, giving you dates of
when it was last recharged? If you cannot see any it is better
to have it checked out. It will save you money in the long run
especially if you have just purchased the vehicle. Better to be
safe than sorry.
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