Then it can suggest a more energy efficient appliance.

然后就会推荐一款更节能的产品。

All of the lighting is derived from energy efficient LEDs.

所有照明均使用节能发光二极管。

Replace your old boiler with a new energy efficient condensing boiler.

用新能源高效冷凝式锅炉替代你的旧锅炉。

LCD is a very energy efficient way of creating color displays compared to CRT.

相比crt, LCD是个节能的彩屏。

Waste (methane emission) management and construction of energy efficient housing;

废料（甲烷排放）管理和节能房屋的建设；