1#feinet2001 ! w+ X0 v/ {2 @4 }2 j' l/ K( I5 o/ Q! w" L( R# @/ T
option 1: Two seperated furnances and seperated control. C8 D$ H5 s' o0 V. M
(for big house > 3000 ft) $ m( Y* q9 p$ b) a: I" Boption 2: One furnance with Zone Control device $ v G& G# A0 c1 ?' N (three zones or fours zone will be good) - total efficiency will be higher, o, u! j0 U7 I, x
0 x) d8 S* O* ]
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? & S( ^7 g9 L2 M1 f" K# u" _) m& U G5 |' n7 r
* q% `& D. q1 @option 1: Two seperated furnances and seperated control 9 E/ r* n3 Q8 w3 j: U3 g* H (for big house > 3000 ft) * h. q' ]+ A1 M6 ]3 X4 _9 ooption 2: One furnance with Zone Control device + ], y" G. R: d) f# g$ E7 Z/ R2 p
(three zone ...0 Z- e1 _! r* E) x8 c% Q4 V. T
十年移民路_ 发表于 2011-3-29 06:36 [/quote]