for Cold Climate Housing and much more

Found 114 results for the keyword ‘Ventilation’

  • ARE BALANCED AIRCHANGE SYSTEMS WORTHWHILE?

    A balanced air-change system is a fan operated system that forces out stale air through exhaust ducts and forces in an equal amount of fresh air through controlled intake ducts. The difference between this and a central exhaust system is that the input air is under active control and balance...
  • ROOF INSULATION

    When we talk about insulating roofs we are usually dealing with situations in which there is no attic: either it doesn't exist or it has been converted into heated living space. So, we are talking about cathedral ceilings, flat, and basin-type roofs. Cathedral roofs are slanted and drain l...
  • 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 ...
  • Can I have too many roof vents?

    Todd in Kirkland, Quebec writes: "I just purchased a house that has five low profile roof vents, 3 gable vents and perfect soffit ventilation. I have insulated the attic and now have R32. My concern is whether the low profile roof vents and gable vents will be effective in the winter or should I ...
  • Can I close off the fresh air to the furnace return duct?

    Phyllis from Regina, Saskatchewan wrote: "We live in a house that was built in the early 60's. The furnace has a vent that runs to the outside. I suspect this is bringing in fresh air. Is there a problem in closing off the vent for the winter? I think that the furnace would run more efficient...
  • Roof Exhaust Hoods

    Larry in Calgary has the problem that the wind makes a lot of noise with the damper on his bathroom exhaust fan.The banging noise of a duct damper can be reduced or eliminated by carefully placing the self adhesive foam insulation strips as soft bumpers against the damper. Make sure that the d...
  • Attic Ventilation -- Why and How

    Most people think that the purpose of attic ventilation is to remove moisture from the attic. That may be true in the spring, but the rest of the Canadian year it does other things.In the summer it generally reduces the temperature of the attic, reducing the need for or the cost of air condition...
  • WHAT KIND OF ATTIC VENT IS BEST?

    Power vents and turbines are not a good idea in northern climate attics. (search keyword "attic" for the title " CONFUSION: POWER ATTIC VENTILATORS ARE NOT RECOMMENDED FOR WINTER USE. WHY?")That leaves gravity vents, vents that allow warm air in the attic to rise and escape out the top of t...
  • 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...
  • Why do shingles cup and curl long before their warranty date? And what is CSA certification?

    Click here for the BP Class Action Suit relating to failing organic based asphalt shingles. Asphalt shingles should be able to take a lot of heat and cold, over and over again. So why do some suddenly curl up, asks Craig from Point-Claire, Quebec?Cold climate shinglesProbably the first thing to u...