What is the best way to increase energy efficiency that you could suggest to a b

PrincessWas

试卷: LEED v4 ID+C模拟题B卷英文[查看]
What is the best way to increase energy efficiency that you could suggest to a building owner?

A: Using graywater heat recovery
B: High efficiency HVAC systems
C: Installing a green roof
D: Cogeneration

参考答案: B

本题解释:

High efficiency HVAC systems have higher upfront costs but use significantly less energy.