We wanted to reduce the cost of heating and air-conditioning.

我们想减少供暖与空调的开支。

《柯林斯英汉双解大词典》

ii. Tap water, heating, air conditioning, hot water, coal gas, lipuefied petroleum gas, naturalgas, methane gas, coal/charcoal products for household use;

自来水、暖气、冷气、热水、煤气、石油液化气、天然气、沼气、居民用煤炭制品；

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Computers will run our homes, controlling the heating, air conditioning and cooking systems while robots will cope with the housework.

计算机将管理我们的家园，控制暖气，空调和烹饪系统，而同时家务则由机器人处理。

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This week the commercial heating and air conditioning manufacturer Trane, based in Piscataway, N.

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Gyms have huge treadmills, flat screens, heating and air conditioning, and often require lots of energy.

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American troops are housed in huts with heating, air conditioning, and indoor showers and toilets.

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