Question

Energy efficiency can be improved by all of the following except...

insulated walls and roofs
using thermostats with timers on household heating/cooling devices that alter settings while occupants are out or asleep
increasing the thickness, weight, and sturdiness of cars
low wattage compact fluorescent or LEF light bulbs

Answer 1

@abb0t

Answer 2

Yes?

Answer 3

which one do u think it is?

Answer 4

I think below should not have major effect on energy :
increasing the thickness, weight, and sturdiness of cars

Answer 5

ok thnxs guys