2 f r4 K# D d( C4 m5 Yoption 1: Two seperated furnances and seperated control: m/ p- G" K1 P& g
(for big house > 3000 ft) d# s. v8 B# ?1 h% `8 Moption 2: One furnance with Zone Control device 6 Y8 S: _0 ]6 P$ I( k (three zones or fours zone will be good) - total efficiency will be higher6 v" M# {, K* F6 A+ j o
7 S% {& i2 c& y6 N3 {
Total cost is not big difference.
Zone Control device, 会不会象他们说的,互相影响呢? 如果房子盖好后,再自行安装,容易实现吗?" @9 H6 Q2 D- l
. w1 w4 e7 R8 m
+ n& ?8 ?4 W8 I1 Zoption 1: Two seperated furnances and seperated control 0 u4 F6 T2 M7 o8 v2 y( o# C3 X! v (for big house > 3000 ft): C7 _1 p5 B" H9 T# A+ Q2 a
option 2: One furnance with Zone Control device , [7 y8 u# E! n$ Q
(three zone ...: f1 |9 y8 R! [6 n" K. n
十年移民路_ 发表于 2011-3-29 06:36 [/quote]