Unverified90% confidenceDecision RuleTime unknown
严寒地区(东北/西北)应选整窗传热系数K值≤1.8W/(㎡·K)的门窗,需三玻两腔+暖边间隔条+充氩气配置;夏热冬暖地区(华南)优先看遮阳系数SC≤0.4的Low-E玻璃,双玻K值2.0左右即可
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