Found 62 results for the keyword ‘Duct’

  • Thermostat reacting to kitchen heat

    Alan in Ottawa, Ontario is complaining about the air conditioning going all the time because the thermostat seems to be reacting to the kitchen heat, and the upper and lower floors of his house do not have an even temperature at all.Two problems here. First the thermostat should not be near any ...
  • Should I get my ducts cleaned?

    Josie asks: "I am considering getting my ducts professionally cleaned. Can you tell me if it will reduce the dust in my home and whether there are any other benefits to having this done?"This question comes back every year, and although there is still hot debate on the subject, it appears to me ...
  • Measuring air flow from your furnace or exhaust fans.

    Have you ever wondered how much air actually comes out of your hot air floor registers, or how many cubic feet per minute your bathroom fan actually exhausts? Well the Canada Mortgage and Housing Corporation has developed a simple tool that will give you a good approximation.They call it the Gar...
  • How do you prevent condensation in an exhaust duct?

    I hate to put exhaust ducts through roofs, because there will always be some condensation that could drip back inside. I would much rather go through a side wall, or down and out the side of the basement. But if you must go up and through the roof... Don't allow your ducting to have any loops in...
  • Improving a wood chimney to stop backdrafting

      Rick from New Brunswick is having problems with his wood stove backdrafting and he wants to know if it will help to box in the chimney on the outside of the house. Backdrafting or difficult starting with wood burning appliances is often a problem and there are several entries in this database ...
  • 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...
  • Overview: To HRV-ERV or not to HRV-ERV

    I am always amazed at house construction where so often things are half built or more while people are running around beginning to think about "extras" that should never be though of as "extras" but as part of the essential system. So time for one of my lectures -- (you asked for it).Heating is o...
  • 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...
  • How to stop noisy exhaust fan dampers.

    Gerry has a bathroom exhaust fan damper that keeps him awake at night.Well, Gerry, we can't always stop it, but we certainly can tone it down.The first and cheapest step is to get some of that soft foam self adhesive weather-stripping tape. Tape it to the exhaust hood where the flapper hits. Th...
  • 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...