$ R6 x) L1 {9 X# i/ O7 z) g" Boption 1: Two seperated furnances and seperated control : C$ O U9 I5 t- w1 }4 I (for big house > 3000 ft)% \; p& Q9 N; y! _" u' Z; M
option 2: One furnance with Zone Control device , [1 r& R3 y8 q0 i0 h (three zones or fours zone will be good) - total efficiency will be higher + _ j& Z$ Z% s2 i' n2 H8 x6 B, v& \7 D* L0 x: a% U- G
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?' J4 N, Q& t) D3 u
) a4 s' S3 u# ~, N( Z
: m- O/ p9 K ]% Q3 ]
option 1: Two seperated furnances and seperated control ) z5 O7 n5 Z* @" ^* O% ]# h (for big house > 3000 ft)9 \/ j+ h2 S- |8 E5 Q r$ Q
option 2: One furnance with Zone Control device ( ?9 i. e: ^# V, m! W
(three zone ... ) v5 ? w# I, M2 e十年移民路_ 发表于 2011-3-29 06:36 [/quote]