This paper analyzes wall body, door and window, roof and heating system, states reducing heat quantity consuming in saving energy house.

本文通过对墙体、门窗、屋顶及供暖系统的分析，说明如何降低采暖能耗、降低采暖耗热量。

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And the feasible theory in energy-saving design of outer door window and practicability method and measure are all discussed.

探讨了外门窗节能设计中可行的理论和实用性方法措施。

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