41.   Is it required to install an exhaust fan?

42.   It takes only a couple of minutes, though, so just turn on an exhaust fan and temporarily disconnect the smoke detector.

43.   It will provide light and be watertight, but this installation would also require an exhaust fan.

44.   Keep in mind that the exhaust fan over the range is unvented and therefore does not help dissipate CO.

45.   Keep windows open, or put in an exhaust fan, and to avoid more moisture problems, vent that fan to the outdoors.

46.   Last week this column focused on the preliminary procedures for buying an exhaust fan and choosing the proper location for it.

47.   Large exhaust fans are backlighted with just the right amount of dust in the room so the blades cast perfect cinematic shadows.

48.   Local exhaust fans can remove excess moisture in the kitchen, bath and laundry area, but create negative pressure inside the house.

49.   Once the case is open, clean any dirt and dust that clogs the exhaust fan that cools your PC.

50.   Q. My contractor wants to vent the bath exhaust fan through the attic ridge vent.