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AIR CONDITIONING SYSTEM DESIGN
In designing air conditioning systems, the first challenge is to understand the components that affect…
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Approaches to Humidity Control
Humidity control in a conditioned space is done by controlling the amount of water vapor…
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Approaches to Temperature Control
Temperature control in an air conditioning system is achieved by passing the air through the…
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AIR CONDITIONING PSYCHROMETRICS
In air-conditioning system, the air must undergo one or several of the following processes: Psychrometrics…
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Water Treatment for Chiller Units
Chiller Water Circuit The above picture is showing the chiller circuit in simplified form. All the lines…
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What is Mechanical Ventilation?
HVAC stands for Heating, Ventilation, and Air Conditioning. The objective of HVAC is to control the temperature of…
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Starting Methods for Induction Motors
Most large induction motors are started directly on line, but when very large motors are…
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How Heat Works
In HVAC-R, making things cold is really all about heat. How many of us heard…
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The 2nd Law of Themodynamics
If a system undergoes a thermodynamic process or cycle, the first law gives a quantitative…
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Learn More about Heat Pumps
Nature created mankind, but with the advancement of technology, man is now trying to recreate…