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Found 62 results for the keyword ‘Duct’

  • Installing a bathroom fan.

    There are many things to consider when installing a bathroom fan, but when we went to install one in a viewer's home, we were stopped short when we discovered that the old one had no duct at all attached to it. It just shot right into the attic. You must get that hot moist air beyond the at...
  • How to use Aluminum duct tape

    I hope you all realize by now that what is called "duct tape" is not very useful for ducts because it ages and falls apart so quickly. The only really good duct tape is aluminum duct tape. But how many of you have struggled with how to get the backing paper off, or at least, how to get it s...
  • Does your contractor know about the furnace room combustion air damper?

    Many years ago, because of the prairie enforcement of the gas code provision that you had to supply fresh air to a furnace, an inventor in Alberta began marketing the Hoyme damper. This is a motorized damper that closes off that combustion air duct from the outdoors that dumps cold air into ...
  • Getting heat to a back bedroom

    Anthony in Vancouver BC can't get enough heat into the upper story of the house.  He has already tried playing with the balancing dampers on the furnace ducts to try and force more air to the far reaches of the house.When that fails, just about the only thing you can do is to add a special "in-li...
  • The Attic Turbine Octopus - remove it.

    "A few years ago a contractor installed ceiling grills typically used on the floor for forced air heating in the ceilings of my bathroom and living room. The grills are connected with a "Y" insulated conduit in the attic leading to a 20 liter pail connected to a turbine vent installed on the ...
  • OVERVIEW: Portable Air Conditioners - single or double ducts?

    All air conditioners have a passage for room air to flow into the unit, flow over the cold side of the compressor coil and return to the room. This both cools the air and condenses some of the moisture out of the room air, which makes the room dryer, more comfortable and easier to cool. Wit...
  • WHAT IS A COMBUSTION FRESH AIR SUPPLY?

    FURNACES & BOILERS Well-sealed houses need a fresh air supply for combustion. (search keyword "Combustion Air" for the title "DOES MY FURNACE GET ENOUGH AIR?") The most common technique in basement installations, is to use an insulated duct to dump air next to the combustion intake.  The gas...
  • Hole Saws: Automatic plug ejectors & the 1 tooth saw

    When you use a hole saw, it is often very difficult to get the plug out of the saw cup when you are done. More and more manufacturers have provided slots on the side of the hole saw to allow you to jam a screwdriver in and pry the plug out. But this is often not so easy. (By the way, the larger t...
  • WHAT IS AN AIR-TO-AIR HEAT EXCHANGER, HRV and ERV?

    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 ...
  • Silencing a strange buckling noise in the floor.

    Bruce from Chatham, Ontario had a peculiar noise problem with his floor. His heating ducts were made by simply nailing sheet metal to the floor joists, and every time he walked on the floor the sheet metal would ripple, sending rock-music-like sounds throughout the house. He solved the problem b...