HVAC

Does anyone Know what HVAC Stands for? Also what is a Thermal expansion valve for?
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Sam wrote:

Google is sometimes your friend:
HVAC = Heating, Ventilation, and Air Conditioning.
"A thermostatic expansion valve (often abbreviated as TXV or TX valve) is a component in refrigeration and air conditioning systems that controls the amount of superheat at the outlet of the condenser. This is accomplished by use of a temperature sensing bulb filled with a similar gas as in the system that causes the valve to open against the spring pressure in the valve body as the temperature on the bulb increases. As temperatures in the evaporator decrease so does the pressure in the bulb and therefore on the spring causing the valve to close. An air conditioning system with a TX valve is often more efficient than other designs that do not use one."
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wrote:

Yes!
Visit the alt.hvac group, plenty of answers there.
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On Tue, 03 Feb 2009 19:20:14 -0800, Oren wrote:

Horrible Variations Are Coming.
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Tony Sivori
Due to spam, I\'m filtering all Google Groups posters.
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Some of the most helpful folks, on the alt.hvac usenet group. Good suggestion.
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Christopher A. Young
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HVAC= Heating Ventilating Air Conditioning
A thermal expansion valve is used in air conditioning. It meters out the flow of refrigerant based on the temperature of the evaporator coil. That's the thermal portion of the valve. Since liquid refrigerant "expands" as it changes from liquid to gas, it's called an expansion valve.
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Sam wrote:

It stands for High Carbon Foot Print.
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Van Chocstraw
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wrote:

Health Violations and Constipation.
Anyone in construction can tell you loads of stories.

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HVAC = Horrible Venting And Crying. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Retired Shop Rat: 14,647 days in a GM plant. Speak softly and carry a loaded .45 Lifetime member; Vast Right Wing Conspiracy Web Site: www.destarr.com - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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