不整夜开着暖气的话，还可以节省电费。
It also saves on the bills as you're not going to require the heat all night long.
它还可以与智能电表合作，鼓励人们调低暖气温度，节省取暖费用。
It could also be used to save heating bills, by working with smart metres and encouraging people to turn their thermostats down.
中央供暖制造商正在开发环保技术，可以有效地输送暖气，同时节省能源。
Central heating manufacturers are developing environmentally-conscious technologies which can effectively distribute heat, while saving energy.
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