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View Diary: The rise of LED light bulbs (218 comments)

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  •  They use less power than air conditioning... (9+ / 0-)

    ... and can make heating more efficient by preventing hot air from hanging around the ceiling instead of around the occupants.

    An attic fan with a ceiling vent can be a very effective way to bring in cool air through the windows in the evening after a hot day.

    Power the fans using solar panels so they only run on the days you really need them.

    Better to hide your tax returns and be thought a crook than to release them and remove all doubt. [Adapted from Abraham Lincoln]

    by Caelian on Fri Dec 21, 2012 at 10:38:29 PM PST

    [ Parent ]

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