Window and Portable Air Conditioners
Window Air Conditioners - How To Reduce The Noise Level
Perhaps the most widely used air conditioners are the window air
conditioners. They are quite popular for heating and cooling in
both domestic and commercial premises. The basic advantage of a
window air conditioner is that unlike the central air
conditioners and the split air conditioners, it fits well in the
window giving a good look and it does not occupy any space of
the room at all.
Moreover, window air conditioners do not need to be shifted
every now and then from one place to the other. However, like
any other air conditioning equipment, it produces noise, the
intensity of which differs with the type and size of the window
air conditioners. Constant noise can indeed be very disturbing
and distressing to the home and surrounding residents.
It is, therefore, advisable for the consumer to compare window
air conditioners by checking the sound power level labels on the
unit or in the literature specifications. The noise levels are
often given in decibel ratings and the higher the decibel level,
the louder the unit will be. The sound pressure increases by a
factor of ten for every 10-decibel increase. For example, 60
Decibels is 10 times louder than 50 Decibels and 100 times
louder than 40 Decibels.
The compressor and the fan are combined in a single unit and
mounted in the window air conditioners and this is the source of
all the noise in the air conditioner. The other causes of noise
could be worn bearings, cabinet rattles, dirty or rusty fan
blades, worn rubber mountings and compressor wear. Regular
maintenance can reduce the noise to some extent but with the
passing of time, there is bound to be an increase in the level
of the noise.
You should check whether your window air conditioner is
vibrating or producing a rattling noise and if so, then it is
not a normal situation. The reason for this can be improper
installation or loose side panels. If, however, you hear a
scraping noise, you should either take the help of an authorized
service provider or you can also try to find out the cause and
repair it yourself.
The following steps can help you in tracking the fault and
repairing it:
You should tighten the screws holding the front panel onto the
unit. You should check carefully the window all round the unit.
You should then turn the window air conditioner on and press
your hand against the sash. If you find that as you press your
hand against the sash, the sound changes in pitch, then you
should put some wooden shims in the gap between the window air
conditioners frame and the sash. If, however, the pitch of the
noise changes when you press your hand on the glass, you should
use some insulating cellophane tape between the glass and the
frame. You might have to use putty if that does not reduce the
noise.
If you feel that the sound is originating from within the unit,
you should take the unit out of the window and check to see if
the fan blades are bent. If so, just bend them back so that they
match the others.
Portable Air Conditioners Ensure Economy And Convenience
With the onset of the damp weather, it becomes difficult to
survive without constant central air conditioning but that can
prove to be quite expensive. The answer to this problem is a
portable air conditioner as it has many advantages. It is easy
to shift from one place in the home to another and that makes a
portable air conditioner the ideal cooling system solution for
your home, office or industrial site.
The portable air conditioners are easy and quick to install, as
they do not involve any lifting or tearing up of windowsills.
Moreover it can be shifted very easily from one place in the
home to the other. For taking care of the hot spots in the
central air conditioning, the portable air conditioners are far
more convenient than window air conditioners. It is also ideal
for window shapes, which present problems for installation.
There is nothing like portable air conditioners for use as a
spot cooler in the home.
A portable air conditioner is an excellent choice for saving
money as just one unit needs to be purchased and it can be
shifted easily to where you need it as it is mounted on castors
and some can weigh only about 36 pounds. Moreover, as only one
room is cooled at a time instead of the whole house, the total
energy consumption is very low as compared to other air
conditioning systems.
Another advantage of portable air conditioners is the energy
efficiency that they provide. The average efficiency is in the 8
to 10 range although some are as high as 15, which is 50 percent
better than most older central air conditioners. The small size
of the portable air conditioners is very advantageous and as
such it can fit in a corner or against a wall. It functions like
an effective dehumidifier if you do not vent the warm exhaust
air out through a window and its size is also the same as that
of a room dehumidifier.
In order to reduce humidity and allergies, even the small ones
remove 35 pints of moisture per day from the room air. The
portable air conditioners also use the heat-exchange principle
as the other air conditioners to cool and dehumidify the air.
The operating principle is also similar to a window air
conditioner as the room air circulates over cold evaporator
coils to cool and dehumidify it inside the unit. The room air is
exhausted outdoor after flowing over the hot condenser. There is
no chance of already-cooled indoor air escaping outside as two
ducts are now used.
Nowadays, you have electronic controls in most models and you
can set the desired room temperature, blower speed, start and
stop timer, and operation mode (cool, dehumidify, heat). The
portable air conditioners also have hand-held remote control
with which you can conveniently change all the settings as per
your need.
The other features of portable air conditioners include a
built-in air cleaner with an optional charcoal filter and
oscillating louvers to distribute the cool air throughout the
room. You can also switch off the louvers to direct the flow of
air towards yourself, if you so desire.
About the author:
Author is marketer for sites such as :
Air Conditioners
Air conditioningArticles
Jamie Snodgrass
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