如花 发表于 2013-1-4 11:26 4 b9 k: H; e2 |( `) ?
应该这样比较 " x4 `8 M/ a8 B9 _6 @$ T* C o4 F' Q
gas+power $0.093/sqf for Dec 2012 including basement and setting 22C all the time.
& b9 ^/ b9 T7 K0 v# D' w! A# E
then 0.09/sq....看来设到22度能暖和很多。。。 : c9 j4 v: C) T! d+ ^