There is no need to purchase fuel to operate a solar heating system, because sunshine is free to everyone.

没必要购买汽油以运行太阳能供热系统，因为阳光对每个人来说都是免费的。

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Gore subsequently has installed solar panels, a geothermal heating and cooling system, compact fluorescent light bulbs and other energy-saving technologies in his home.

随后，戈尔在家中安上了太阳能电板、地热供热和制冷系统、节能荧光灯和其他节能技术。

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This natural light brings light and breaks the straight lines's coldness, valuing the materials used and providing a better use of daylight that also feeds the heating system through solar panels.

自然光带来光明，打破了直线的冷感，重视使用的材料，更好地利用日光，日光通过太阳能板给供暖系统提供能源。

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The 59-acre (24 hectare) site will also boast a solar thermal hot water system to pre-heat the water for the heating system, and a biomass boiler that will provide heat using locally-sourced wood chips.

BBC: Bristol and Bath Science Park gets new solar roof panels