- m, u, z5 P1 w) Eoption 1: Two seperated furnances and seperated control ; `3 {0 d% l! q (for big house > 3000 ft)1 E% i9 d |. Q" R+ L2 Y$ ]
option 2: One furnance with Zone Control device 2 O1 F$ f/ W3 T F3 o
(three zones or fours zone will be good) - total efficiency will be higher1 G9 f5 y4 O0 J6 n: q C
7 ~# Y2 \, ?- `4 y" M& ]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?8 P2 O; A) f/ ]4 ~! H" U3 J
- `+ z) I6 A: H5 k( _
8 q6 c w; i- Aoption 1: Two seperated furnances and seperated control ! c" `4 g2 _8 m$ R! i (for big house > 3000 ft) 4 M( q$ z, a) M! b' Poption 2: One furnance with Zone Control device * N: }& d- x6 f2 M2 u! Z3 z (three zone ... 0 U$ w$ \4 m8 u% h' K十年移民路_ 发表于 2011-3-29 06:36 [/quote]