新建办公楼采用了节能玻璃和智能空调系统。Xīnjiàn bàngōnglóu cǎiyòng le jiénéng bōli hé zhìnéng kōngtiáo xìtǒng.The newly built office building uses energy-saving glass and an intelligent air-conditioning system.
夏天把空调温度调高一点,既舒服又节能。Xiàtiān bǎ kōngtiáo wēndù tiáo gāo yìdiǎn, jì shūfu yòu jiénéng.In summer, setting the air conditioner a little higher is both comfortable and energy-saving.
我们家把所有的灯都换成了节能灯。Wǒmen jiā bǎ suǒyǒu de dēng dōu huàn chéng le jiénéng dēng.We have replaced all the lights in our home with energy-saving lamps.