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Found 84 results for the keyword(s) ‘Exhaust Fans’

• Article

  WHAT IS A PLANNED-HOLE-HIGH-IN-THE-HOUSE? 1

  Answer One "Planned-holes-high-in-the-house" are part of buiilding science considerations as to how air moves in buildings creating pressure differences that can help to keep houses dry and mold free or can help to trap pollutants in the house or even in the walls.A planned-hole-high-in-the-house...
• Article

  HOW CAN I RAISE THE NEUTRAL PLANE?

  If there are larger holes in the top of the house than in the bottom of the house, the neutral plane will be raised.I guarantee that if the roof of your house were removed (still blocking the snow with a giant umbrella) there would be no condensation problems in the walls. (This solution is no...
• Article

  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...
• Article

  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 ...