Should be no big difference on the gas cost.8 k4 Y6 K' { P/ Y' U+ f h E6 C
I 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 + w/ e, m: U2 X0 s
but how about the heat cost?
% s% w+ Y6 Q2 f# XNo 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.)