如花 发表于 2013-1-4 11:26 ( {5 h$ Y$ m5 h3 E2 O
应该这样比较 - h1 p4 o) d% p& |/ ?; [( E0 A O7 e* ^- H0 Y* t
gas+power $0.093/sqf for Dec 2012 including basement and setting 22C all the time.
+ X7 j* x$ X$ m$ J
then 0.09/sq....看来设到22度能暖和很多。。。 - W1 F. K9 q" \; o& q& ~. d