We do also have more complex systems that are used for space heating and they fall into two categories, passive and active heating systems.

我们确实也有更复杂的系统用于空间供暖，它们分为两类，被动供暖系统和主动供暖系统。

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Space heating means heating the space inside a building.

太阳能供暖指的是给建筑物内部加热。

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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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The report insists that, in hand with a combination of energy efficiency and fuel-switching measures, this growth in electricity production would be enough to supplant all fossil fuel use (coal, gas and oil), including that for transport and space-heating.

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One interesting aspect of this is that the bathrooms, no matter what the category, are on steroids: clawfoot tubs, walk-in showers, under-floor heating, lots of space.

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The couple did extensive renovations on the space, resulting in a new kitchen, baseboard cast-iron heating system and an oversize spa tub in the master bathroom.

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