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Old 03-07-2013, 08:53 AM   #1 (permalink)
Mcgiiver
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Join Date: Nov 2011
Location: Princeton, NJ
Posts: 26

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Why turn off lights?

We have a fairly well insulated home. We heat with hot air, gas fired furnaces. I am wondering if it really saves money by shutting off lights in rooms not constantly used in winter. My thinking is that since they are incandescant lights, in winter leaving them on, produces heat, which helps lessen the heat needed to be produced by the furnaces. Summer is obviously a different matter. Since energy is not lost, just changed in form, I am thinking the lights on approach is not very bad. I will acknowledge that the furnace is probably a more efficient way to produce heat, but we need light anyway. Any thoughts?

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