info:howto:duct_sizing_rules_of_thumb
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| info:howto:duct_sizing_rules_of_thumb [2009/07/16 10:52] – created tomgee | info:howto:duct_sizing_rules_of_thumb [2009/09/09 11:43] (current) – tomgee | ||
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| Therefore our 2 1/2 ton unit upstairs needs 1125 CFM of air movement. | Therefore our 2 1/2 ton unit upstairs needs 1125 CFM of air movement. | ||
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| + | A ton of refrigeration (12,000 BTUs per ton) is the amount of | ||
| + | heat required to melt a ton (2000 lbs.) of ice at 32 degrees Fahrenheit. | ||
info/howto/duct_sizing_rules_of_thumb.1247755970.txt.gz · Last modified: 2009/07/16 10:52 (external edit)