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Found 58 results for the keyword ‘Furnace’

  • Poor heat distribution in a house

    Barb from Regina has a house with a slab on grade with the furnace in a closet and the heating ducts running under the concrete and the cold air return high on an inside wall. Some of the ducts don't give her much heat and the floor is often cold.High inside wall heating and return ducts were...
  • Compare: Ground Source Heat Pump vs. Propane Furnace

    An e-mail from Roger in Cambelleville Ontario:We have just started to build our home (3300 sq. ft.) and I recently found out that natural gas is not available. So the great debate begins on what fuel source to use. I have narrowed down my selection to radiant heat using a propane to heat the ...
  • The combustion air duct for my furnace freezes the basement. What to do?

    When the contractor installed a new furnace, he put in a great big air duct from outdoors right into the furnace room. This tends to freeze the basement floor. Can I close it off?Response:This duct is necessary in most modern homes and even in well sealed renovations to assure adequate air f...
  • WHAT IS A CONTROLLED COLD-AIR INLET?

    Stale, humid air must be exhausted from the house, both to allow for fresh air and to maintain a high neutral plane. For this reason we need a planned-hole-high-in-the-house, but the air going out must come into the house from somewhere. If you carefully seal all the leaks in the house to m...
  • WON'T A COLD-AIR INLET MAKE MY HOUSEHOLD AIR TOO DRY?

    Yes -- if the cold-air input is uncontrolled. In fact, uncontrolled cold-air drafts are the reason for dryness in older houses. Damper control of the cold-air intake (not the hot-air exhaust) will allow you to maintain whatever level of humidity you want.If your furnace combustion air is provid...
  • CAN I DOWNSIZE A GAS FURNACE?

    It is harder to down-size an old gas furnace than an oil furnace, but it can be made to operate more efficiently.-- Increase the fan speed to draw more heat out of the furnace.-- Increase the "fan-on" time before and after operation to draw more heat out of the furnace.-- Install an electronic pi...
  • CAN WOOD-BURNING SYSTEMS BE MODERNIZED?

    Open fireplaces are not heating systems. They have traditionally been built on an outer wall, creating sealing problems for air barriers and wasting lots of heat through the back of the chimney. Fireplaces should always be built on the inside walls -- if you build one at all. The problem w...
  • DOES MY FURNACE GET ENOUGH AIR?

    A combustion furnace or boiler (gas, oil, coal or wood) requires air to burn and air to maintain a proper draft in the chimney. In a leaky old house with the furnace in an open basement this is never al problem. As the house becomes better sealed, several problems can arise:-- An automatic v...
  • Proper installation of new whole house ventilation systems

    Joan from Armstrong, BC is having trouble adjusting the ventilation system in her new home to keep condensation off the windows. She told us the kind of system she has and said that it was required by the building code. Actually no specific system is required by any of the building codes. ...
  • How far back should a set back thermostat be set?

    Jack wrote: I recently installed an electronic thermostat. I have it set for 21 degrees before bed and then down to 15 overnight. Someone told me I shouldn't have more than a 5 degree difference because the furnace would have to work harder in order to warm up the house in the morning, there...