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Found 50 results for the keyword ‘Exhaust Fans’

  • Measuring air flow from your furnace or exhaust fans.

    Have you ever wondered how much air actually comes out of your hot air floor registers, or how many cubic feet per minute your bathroom fan actually exhausts? Well the Canada Mortgage and Housing Corporation has developed a simple tool that will give you a good approximation.They call it the Gar...
  • Forgot to install a bathroom fan. Can we use a charcoal filtered fan instead?

    Andre from Quebec forgot his bathroom fan. Now what to do?Well Andre, it is true that a charcoal recirculation fan will pick up and deal with most odours in the bathroom, if you keep the filter changed. But it will have absolutely no affect on moisture build-up, and hence on the possible develo...
  • What is the maximum duct length from a bathroom fan?

    Mike writes: "I'm renovating my bathroom and plan to install a fan. The shower is on one side of the room and the bath is on the opposite wall so I plan to put the fan in the middle of the room. What is the maximum amount of hose I can use to vent outside?"You shouldn't have any problem going ...
  • How do I properly vent a range hood?

    Vern has a range hood on an inside wall and is wondering if he could just use the hollow wall cavity or should he line it, and could he just vent into the attic because the attic itself is vented. There are actually a lot of interesting questions there Vern. First remember that there is a lot of...
  • A bathroom fan switch in the downstairs hallway?

    Chris & Dorie from Richmond Hill, Ontario write: "Last summer we moved into our new home. About a month ago, I discovered that the mysterious switch in our front hall operates the fan in our second floor bathroom?! Is this a fire code regulation? Why did they not try to "hide" the switch i...
  • Venting a mouldy basement.

    Last year we shot a special Spring Clean-Up show and in that show we cleaned up some mould on the lower walls of one of our viewer's basement. Recently we went back to permanently solve that problem by installing an exhaust fan that would draw the cold moist air off of the basement floor, doing ...
  • Living with Dust

    (This entry was originally submitted as an article to Chatelaine Magazine. The heavily edited version which appeared in September 2008 was a fine little article, but missed some critical points like exhausting central vacs outdoors, not making the critical distinction between the bad ozone air c...
  • Dripping bathroom fan

    Paul from Ajax, Ontario writes:Two years ago I had a ceiling ventilator fan with lights installed in the bathroom. During a very cold spell, water was dripping from the reflector into the bath tub. It has a 4" aluminum flexible pipe connected from the discharge opening into the attic straigh...
  • WHAT IS THE NEUTRAL PLANE?

    (Also called the neutral pressure point or the zero pressure point.)Cold air will generally sneak in (infiltrate) at the bottom of the house and warm air will leak out (exfiltrate) at the top of the house. This is called the "stack effect" caused by the rising effect of warm air. In between ...
  • WHY SHOULD I CARE ABOUT THE NEUTRAL PLANE?

    Warm moist air leaking out of the house through the walls and ceilings is the major cause of condensation and water damage to the structure of the house. In the worst of cases it can cause paint to peel off the outside of the house, start mould growing in the walls, decrease the insulating v...