Preventive Maintenance: An absolute Necessity for Furnaces, Air conditioning Units and Heating Systems
An absolute Necessity for Furnaces, Air conditioning Units and Heating Systems
Published on: Mar 4, 2016
Transcripts - Preventive Maintenance: An absolute Necessity for Furnaces, Air conditioning Units and Heating Systems
Preventive Maintenance: An absolute Necessity for Furnaces, Air
conditioning Units and Heating Systems
Amenities of the Modern Home
Of the many amenities there is, air conditioning, furnaces and heating systems grace the
modern homes with the equanimity one normally sees from chandeliers or fireplaces.
They may not be majestic in their projection upon the interior décor or ambience but they
outclass every other device meant to enhance the comfort of the householder.
Principle of Operation
Air in an enclosed space could be very hot or very cold. When it is hot, one uses air
conditioning or air cooler to lower the temperature. The heat passes out through cooling
pipes and cool air passes inside the room.
Similarly, when the room is too cold, hot air passes inside through the tubes. Cold air
goes out and the room becomes warm. Furnaces use electrical elements to produce the
The whole thing hinges on compressing and decompressing a gas that transfers the heat
back and forth. This produces a wear and tear on the machine. If one is not careful, the
gas could leak out through worn out piping and cause accidents.
Progress of room air conditioning devices
First air conditioning machines were window type units that one installed in the window
or a hole in the wall. One placed the hot air section facing outwards. The cooling unit was
kept facing the inside of the room.
From there, one progressed to the ductless air conditioning units. That used tubing to
convey the hot and cold air and thus provided a greater scope for diversity. One did not
have the hum of the machine in the room; one only enjoyed the ambient luxury of cool
Heating units functioned the same way but in the opposite manner. One had to replace the
electrical filaments once they burnt out through over use or through voltage fluctuations.
For heating coils that used gas, the infrastructure was larger and used more tubes.
Internal parts of an air conditioning unit
The evaporator filled with refrigerant provides the means for cooling air while the
condenser works to convert the gas into liquid. The fans provided keep the air circulating.
There are belts provided sometimes and wires connect all the parts together. A pump will
keep the gas moving between the evaporator and the condenser. A filter placed between
the outlet for the cooled air and the blower helps prevent dust and mites from entering the
room. This gets dirty very fast and needs frequent cleaning.
For those who use heating coils in their houses, one should be careful to see that the coils
have not worn out. If they have, then the chances of gas escaping through these will make
it explode. They have a long life if one keeps a check on their condition.
Utility value of Preventive Maintenance
To ensure complete safety and to avoid unnecessary expenses one can invest in
preventive maintenance. This involves having a qualified electrical technician check up
your air conditioning units or heating units on a periodic basis. They attend to any small
cracks or signs that indicate wear or damage. This prevents any major disaster from
Improved Living Standards with Air conditioning for the homes
Life has become pleasant due to these lovely innovations. One must use them responsibly
if one wants years of continued pleasure. Do not assume that non-moving machinery will
not wear out; they also need care and attention as time passes.
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