Monthly Archives: July 2011

Man Is Awash

If the air in which man lives can be compared to the water of the ocean, cannot the additives to the air be compared to the salt in the water? Man cannot drink ocean water and he cannot breath some … Continue reading

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That’s Humidifying

A typical humidification need in the HVAC discipline may require the addition of moisture to maintain a space condition of perhaps 72° and 50% relative humidity when some 2,000 CFM of dry, winter, outdoor air is added to the space. … Continue reading

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Try Optimizing

There is money to be saved!! The selection of system components using optimizing techniques and abandoning the practice of using “Rules of Thumb” will often accomplish meaningful savings with increased system efficiencies. Most of you have heard of or even … Continue reading

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“AC versus EC”

It seems that most of society thinks of “Environmental Control” as “Air Conditioning”. That is all that one hears around the bridge table or sees in advertising. What a misnomer! “Air Conditioning” is really a refrigerating process used to keep … Continue reading

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Controlling Clean Room Temperature

  THE CHALLENGE: The clean room does not care whether outdoor conditions are cold or warm, damp or dry, clean or dirty, windy or calm. Seasons change, weather fronts roll through, exhaust hoods cycle on and off but production under … Continue reading

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Electrical Safety

A defogging project in a seafood packing plant brought us in direct contact with a situation where one could not see his hand in front of his face when the lids of the pressure vessels were opened and steam escaped. … Continue reading

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