© bigpa stock adobe com Your comfort over the winter depends on the furnace, and the complexities of technology can make it hard to know.
In furnace, cool air from your house enters either at the bottom or top of the handler, depending on the furnace model, and heated air flows out the top.
In these locations, the ductwork is above the furnace, so the configuration takes advantage of the laws of thermodynamics.
Because warm air rises, thanks to the law of convection, air from in the basement rises toward the rooms above it.
The heated air would rise toward your roof, so the blower fan would have to use more energy trying to push it down toward your rooms..
Also known as downdraft or counterflow furnaces, downflow furnaces are designed to bring in cool air through the top of the handler and release heated air from the bottom.
On the downside, these furnaces work against the tendency of warm air to flow upward, so they're efficient than upflow models.
What's more, you'll need to have the subflooring reinforced to support the extra weight and separate subbase installed as barrier between the furnace and flooring.
furnace is designed with the in horizontal row, so the unit looks like it's lying on its side.
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