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Smaller homes = lower bills American homes are 34 percent larger than they were 25 years ago—and those larger houses use more energy than smaller ones, even if they’re brand-new and built to be energy efficient. A study by SMR Research Corp. found that houses with more than 10 rooms use 18.8 percent more energy than eight-room homes, and 31.3 percent more than seven-room houses. Despite better insulation and weatherproofing in newer houses, an increase in size could still send energy bills through your new (larger) roof. One result: The National Association of Home Builders is finding that Americans who are building or buying new homes want fewer square feet. In fact, NAHB reports that 90 percent of builders are offering smaller homes than just a few years ago. Size and the efficiency of heating and cooling systems have become greater drivers during construction than upscale upgrades and spacious rooms.
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