At what height above the ground is it appropriate to place an extractor fan in a room 3m (1200 inches) high. (answer to preferably be in meters).
caibuadday
Dec 5, 2006, 08:28 PM
at what height above the ground is it appropriate to place an extractor fan in a room 3m (1200 inches) high. (answer to preferably be in meters).
What would the fan extract ?