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An Energy Waster Not Often Considered. And It's An Easy Fix!
An energy waster not often considered.   And it's an easy fix!
There are rules of thumb in energy wasting, and conversely energy saving.
Your house can be divided into different areas of energy wasting.  And these percentages are rules of thumb:
~ About 30% of your energy is wasted through the upper-level ceiling.
~ About 30% of your energy is wasted through the walls.
~ About 30% of your energy is wasted through the windows and doors.
~ And about 10% of your energy is wasted through wall penetrations like receptacles and switches.
Keep in mind, if the upper-level ceiling was not insulated or really poorly insulated it would account for more than the 30% rule of thumb.  The same would go for the walls or windows and doors.
Remember, heat seeks cold.
In the winter indoor heated air is trying, yes trying, to escape!
And in the summer outdoor heated air is trying to get inside!
It is the last item above, wall penetrations, which probably do not get enough attention by homeowners.  Receptacles and switches on exterior walls, and gas fireplaces, can be huge energy wasters.
Collectively exterior wall penetrations are assigned about 10% of any home energy loss.  That could be more depending on how the areas around them are ... more

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