1#feinet2001 + I- U$ n6 F! U; }, P$ t' K! V; x- c8 E. Q" V3 v9 ?
option 1: Two seperated furnances and seperated control9 K$ D: g& J4 v* C8 e% b
(for big house > 3000 ft)7 N4 p+ u, G) M1 Z- N
option 2: One furnance with Zone Control device 7 U" A4 r, ^/ D3 _# A9 [ (three zones or fours zone will be good) - total efficiency will be higher2 m* t' e8 ^: \+ b* ^0 Z" P
2 V* Q( C' g1 [0 O( K6 ]5 B# ]! L
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?! {! k! E& k+ h
9 y9 P" k6 i$ {6 m$ ]4 }+ S
2 n S. f4 m; uoption 1: Two seperated furnances and seperated control/ m* x. F2 Y9 S. }( H# R8 E
(for big house > 3000 ft) 8 ~( ~6 s t% c; O' boption 2: One furnance with Zone Control device 5 j' }0 }% T- h* A5 d1 ^ (three zone ... 5 t P: j8 \/ u8 w1 B" a2 `十年移民路_ 发表于 2011-3-29 06:36 [/quote]