Walls of glass throughout the house face the countryside, while decks and sunrooms double as heat sinks and sources of passive solar energy.

整间屋子的玻璃幕墙面朝乡野景观，露台和太阳房既能起到散热板作用，又是被动式太阳能的来源。

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Today many homes use solar energy for space heating. There are two general types of solar space heating systems: passive and active.

如今许多的家庭都采用太阳能供暖，其中有两种普遍的太阳能供暖形式：积极供暖与消极供暖。

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Unlike a passive solar home, an active solar home uses mechanical equipment, such as pumps and blowers, and an outside source df energy to help heat the house when solar energy is not enough.

与消极供暖房屋不同的是，积极供暖房屋使用机械设备，比如泵、风箱，以及外部的能量源，以保证太阳能不足时也可以给房屋供暖。

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"Passive solar" means using windows or other materials in an energy-conscious way, not solar panels.

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In practice that generally means dramatically reducing energy consumption through passive design measures and installing a small amount of on-site energy generation, often solar.

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Nevada's first platinum-certified LEED (Leadership in Energy and Environmental Design) buildings stand proudly here, constructed of recycled materials and rammed-earth walls, with passive cooling, renewable heating, reclaimed water and solar-electricity panels, all harvesting clean energy.

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