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Found 62 results for the keyword ‘Duct’

  • OVERVIEW:Improper exhaust fans can pollute your home -- could even kill you

    More and more people are asking for powerful kitchen range hoods or bathroom exhaust fans. The logic appears simple, increase the power of the exhaust fan and get rid of pollutants quicker. In more and more modern homes which have been weather-stripped and sealed against cold air leaks and heat l...
  • 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...
  • 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...
  • 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 ...
  • An alternative to ducting through the attic in a cold climate.

      In my experience, heating ducts that run through attics cause serious problems in snow country. Don't let a contractor talk you into it. In warm climates it is common practice to run heating and air conditioning ducting through attic spaces simply because it is easy to do. Unfortunately this ...
  • 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 ...
  • How to properly duct an exhaust fan through a roof

    This item falls under the heading of 'things that homeowners can teach their contractor'. Unfortunately too many renovators do not know that you can cause serious damage to your roof if you don't duct exhaust fans completely out of an attic. Some know, but just don't care. You cannot just leave ...
  • In-Line Exhaust Fans

      Here's an introduction to a special kind of exhaust fan -- an "In-Line" fan. This means that rather than having the motor right at the ceiling, they can be placed anywhere along the line of the ductwork. This makes their installation much more flexible, and quieter.  Equipment details can be f...
  • Clothes Dryer ducting: cleaning & extending & avoiding Fires

    CLEANING Be aware that a clogged clothes dryer duct will reduce the efficiency of the clothes dryer, and could start a fire. If your duct is made of ridged metal, it is rather easy to clean because you can snake brushes, even rags right through from one side to the other.  Terry commented on th...
  • 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...