[megaman821]

Also, a person in Arizona is going to use much less energy than a person living in Minnesota. Not to mention the energy used in Arizona is going to come from lower carbon sources than in Minnesota. It just breaks people expectations that a big, complicated machine uses less energy than simply setting something on fire.

[sumtechguy]

they are more efficient long term. short term though it is 'it is cold in here turn up the heat' the time it takes a heat pump to make that happen is much longer than say a natural gas system. the NG system uses more energy though to do it in a shorter amount of time. but it happens perception wise faster.