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Found 83 results for the keyword(s) ‘Exhaust Fans’

  • Article

    Noises -- sounds that tell you what is wrong with your house

    Drum Cymbal noises --> Furnace Ducting Gina in Saskatoon is complaining about drum cymbal-like crashes that happen every time her furnace goes on. This is common when you have smooth flat ductwork. The heat and pressure of the air can cause the large flat surface of sheet metal to flex eithe...
  • Article

    Do I clean my Ducts or Not? -- an overview

    The only research done that I have found on duct cleaning, outside of the duct cleaning companies themselves, has been by the Canada Mortgage and Housing Corporation -- EFFICIENCY OF RESIDENTIAL DUCT CLEANING -- CMHC Project No. : 93-2-001 January 1994.  Basically they found that when the ducts ...
  • Article

    Ductwork that moves air best

      The best way for air to move through a duct is to have a straight duct with a smooth inside wall and a round form will have the smallest surface area to cause the air to slow down. That straight smooth round duct is what is considered the benchmark for good ducting. Everything else is measure...
  • Article

    Booster fans for the heating in the back bedroom.

    When you just can't get enough hot air to come out of that back bedroom floor grill and you have tried everything (like balancing your heating system), there is still hope. We took a look at two fans on the market designed to boost that hot air. The first, and the easiest to install and use is ...
  • Article

    Balancing Forced Air Heating & Air Conditioning Air Flow

      Some rooms are colder than others, or a forced air system works well for heating but not air conditioning.  Although such problems may require repositioning ductwork, or adding booster fans -- the first thing to check is that the ductwork is balanced and balanced differently for the two differ...
  • Article


    One morning the oil furnace and boiler companies woke up to discover they were the Canadian bad guys -- everybody was condemning oil burning heating and the government was even paying people to scrap them. The oil furnace and boiler companies had to admit that they had been pretty contented and l...
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    How to move heat from a stove to other rooms.

    Jon in Winchester, Ontario has a free standing natural gas stove and wants to get that heat distributed to the rest of the house.  First, what not to do Do not try to put a grill in a return air duct of a forced air heating system over the stove as you see in the photo, especially forbidden fo...
  • Article

    What are the options in furnace air filters?

    A minimum filter is designed to protect the furnace fan from large dust balls -- not to protect your health.   ONE INCH FILTERS You can start upgrading from there. One of the best of the 1 inch filters is called Filtrete from 3M. It's an electrostatic filter that becomes charged as the air pas...
  • Article

    How do you balance a ceiling fan so it won't wobble?

    Oh how many times has the wobbling ceiling fan driven you crazy. Sometimes it is acceptable on one speed but not another. Sometimes it just click, click, clicks so badly that you can't get to sleep. Fixing it is easy, but not fast. There are a large number of things that could be wrong so work yo...
  • Article


    Air-change ventilation systems exist that take stale air out and bring fresh air in so as to not rely on cold air drafts for the entry of fresh air to the house. They are simply a box with two fans. In a few of the warm spots of Canada these are legitimate systems on their own. In most of Canada ...