On 15/05/2013 7:33 AM, Mitch Haley wrote:
Curt Raymond wrote:
In a tight modern house you need a source of makeup air, this should
not be leaving a window open, thats silly.
If the house is that tight, it shouldn't have natural draft appliances
in it (furnace, water heater). Otherwise, you'll backdraft CO into the
house when you turn on the dryer , bathroom vent, or range hood.
Mitch.
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We have two air inlets. One feeds to the floor area near the gas
furnaceto provide combustion air and the other feeds into the cold air
return ducting.
However, you are right that if we run too many fans at one time, we get
issues.
The gas fireplace has a pilot light and we will sometimes have to crack
open a window near the fireplace as we get backdraft from the fireplace
vent.
I have considered putting in an air to air heat exchanger unit but
retrofitting into a 2 storey house is not easy to do well.
Randy
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