In the United States, which of the following would increase energy efficiency?

Using energy star appliances or low wattage light bulbs

turning thermostats down in winter and up in summer

building larger homes

all of the above

Question

In the United States, which of the following would increase energy efficiency?
		
Using energy star appliances or low wattage light bulbs
		
turning thermostats down in winter and up in summer
		
building larger homes
		
all of the above

abhisar · Answer

What do you think?

diana.xl · Answer

would it be all of the above?

abhisar · Answer

I am not sure this time either. But I don't see how any of the above options other than 1st one help. You want to discuss why you think it would be all the above?

diana.xl · Answer

because i thought it could be either a or b.