Should be no big difference on the gas cost.+ u5 \0 m/ v: z6 P
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 3 @6 X5 ]* J, S4 Z7 c" h
but how about the heat cost?
# n( s3 V, Y ~& d$ k
No 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.)