Should be no big difference on the gas cost. $ c9 d+ W, g% n* a- x3 VI like the split level very much because less stairs to climb. It's perfect for seniors and kids.
shcoconut 发表于 2012-3-30 18:36 ) r' K& c; O/ _( ?4 j( v1 Q
but how about the heat cost?
* O1 F4 I' x# S3 mNo big difference but 4-level split should have less cu ft of space, a little bit less of fee is expected provided that there is no other variables (like insulation R-value etc.)