Rule of Thumb

INSTALLING A FAN IN A SUN ROOM

To move hot air out of an overheated sun room, you need a thermostatically controlled fan with a flow rate ...

To move hot air out of an overheated sun room, you need a thermostatically controlled fan with a flow rate of four to six cubic feet per minute per square foot of glass in the sun room. — Jan F. Kreider, consulting engineer, Popular Science

10/8/15

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