Gas use is largely driven by home heating, so it is the size of your house and how well insulated it is that determines how much energy you use.

燃气主要用于家庭供暖，所以，燃气能源耗费的多少取决于住宅的大小及其隔热性能。

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Plugging up the leaks that allow cold air to slip into your house—and drive up your heating bills—is an important first step in creating an energy-efficient home.

为防止冷风通过缝隙进入你的房子，从而增加你的暖气费，把那些漏风处都堵上吧。 这是让你的家变得节能的最重要的第一步。

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The house is finished to German Passivhaus standard, and includes a highly efficient, well-insulated building fabric that results in ultra-low energy consumption for heating and cooling the building.

这座建筑是按照德国被动式建筑标准建成的，包含了高效的、绝缘性好的建筑纤维，使得房屋在加热和冷却过程中更节能。

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To bring down the house's energy use, the team installed geothermal heating and cooling.

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Completed in 2011, the other end of the structure is a four-story, 4, 000-square-foot house with under-floor heating, solar panels, low-energy appliances and the latest in triple-glazed windows.

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The house was also designed to consume minimal energy and incorporates a number environmentally friendly features, including geothermal heating and cooling and recycled tile floors and countertops.

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