本文分析了一些用户采用燃气供暖时出现的“供暖费用高”和“室内空气CO超标”的原因，提出了解决这两个问题的办法。
This paper analyzes the reasons of the problems for high heating cost and co exceeding standard in the house air -of some users adopting household gas heating, and advances methods of solving them.
这所房子有燃气中央供暖系统。
它们不但能发电，其余热还可以用来为房屋供暖，意味着燃气中的所有能量都被有效利用了。
Not only will they generate electricity but the surplus heat can be used to heat the house, meaning that all the energy in gas is productively used.
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