May 25, 2010
How to Determine the Simple Reasons of HVAC Malfunctions
If you are experiencing problems with the heating, ventilation and air conditioning (HVC) arrangements installed in your home and if the house is somewhat old perhaps you need a thorough overhauling service. Incorrectly maintained or, worse, never serviced HVAC systems cause high power expenses, low or failed performance, and generally great bother to the house owner. If you live in warmer places like Florida, you can simply summon just the Orlando AC repair guys to rectify the malfunctioning aspects, or the Orlando HVAC experts to give the system a complete overhaul and make it perform like brand-new.
Usually HVAC systems are composed of of compressors, blowers and ducts that conduct cool or hot air in and out of the house interior. The machines are commonly run by electric motors, controlled by one or a few thermostats depending on the desired temperatures set for the house or room spaces. There are therefore pulleys, gears, insulators, condensers and belts to convey power from the motor to mechanical apparatuses like blowers. Hence many things can go wrong when maintenance is lessened for HVAC systems.
For example, improper adjustment of thermostats alone could make the system function erroneously, raising operating costs but giving poor efficiency. Like its function in a refrigerator the thermostat controls how much cool air to move into the room or hot air to the outside according to its settings. Thus wrong thermostat setting can make the space too hot or too cold than desired.
Even incorrectly set or loose contacts of electrical connections can damage motors because of the connections quickly switching on and off even creating sparks when jolted or moved. The stop and go action strains the rotor and internal gears heading to earlier failure or even short-circuiting of the windings. Similarly, belts incorrectly regulated can result to a early motor breakdown. Much slack and the belt may slip, abrading itself against the pulley and later breaking; too tense and it will stress one side of the bearing or bushing, later creating an imbalanced armature movement which will heat up the motor.
Dirty evaporator passages, meanwhile, may create leaks because of increased water pressure or at the very least add to power consumption due to consequently more work for the pumps. And as everyone knows, more mechanical work quickens metal wear and earlier machine breakdown. This also is true for condenser coils plus higher compressor working temperatures.
Lastly, dirty air filters lower airflow efficiency, increases compressor operation and consequently higher power consumption and costs. Incorrectly lubricated bushings impair systems operations the same way: less machine effectiveness, more wear, higher power usage, and more advanced machine failure.
All of these develop gradually so that most times their taking place is not noticed, or perhaps the setting up of the HVAC is haphazard at the beginning. It is advisable therefore to be cognizant of any alterations in the efficiency of the system after a while, or contract professionals to perform regular periodic maintenance for it. You will sleep better in optimum comfort and attain greater peace of mind, confident that everything is okay in life.
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