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Author: lindytoes Big gold star, 5000 posts Top Recommended Fools Add to my Favorite Fools Ignore this person (you won't see their posts anymore) Number: of 59115  
Subject: Does lowering the thermostat @night save energy? Date: 3/9/2013 9:23 AM
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The situation outlined in the snip below was specific and not necessarily what many will experience. The woman liked high daytime winter temp, the overnight temperature really low, her house has poor insulation, etc., thus an energy sieve. Apparently energy savings with temperature adjustment in a well-insulated house is likely to be much more modest. "A U.S. study of 2,658 gas-heated homes using programmable thermostats found a 6% reduction in energy use."

The high intensity of people who don't want to believe in thermostat control is probably due to the fact that they like their house at a certain temperature and they don't want to fool around with adjusting it. Programmable thermostats are not that expensive and really do work. You don't have to mess around with the thermostat once you set what you like or want for energy savings. If you don't care about energy savings (or money for that matter), then I guess the whole debate is meaningless.

http://www.straightdope.com/columns/read/2970/does-turning-d...
Does turning down the thermostat at night save energy?
<snip>
"Used correctly, however, programmable thermostats indisputably work, and so does setting back the thermostat manually, provided you do it systematically. My indefatigable assistant Una conducted a long-term research project in which she installed a programmable thermostat in her house, aggressively dialed back the nighttime setting for winter, then tracked her energy use for three years, using data from the National Oceanic and Atmospheric Administration to correct for outdoor temperature differences before and after installation. Result: she saved about 28 percent on her winter gas bill, enough to recover the thermostat’s $120 cost in three months."
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