+ p5 z9 f0 O' k' t1 D5 boption 1: Two seperated furnances and seperated control& a. P' m- C! J7 k2 ~2 z9 o
(for big house > 3000 ft) / U1 G5 t/ Z& { o- joption 2: One furnance with Zone Control device 1 |+ s4 A1 O) G# c$ [ (three zones or fours zone will be good) - total efficiency will be higher: `3 N: ], L) E5 P T
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?5 D5 A' f$ S0 V! @5 T# ?1 N$ Q
) R) x/ L \9 S0 ]- F+ U' ], f * Q. C: \& t! u8 X7 X: doption 1: Two seperated furnances and seperated control8 g0 t6 y, m: x I6 P X4 I
(for big house > 3000 ft)8 c& P; p. D) S% e
option 2: One furnance with Zone Control device / W B8 j# i7 g
(three zone .... r3 y4 Y! G, R* @: z3 z% y
十年移民路_ 发表于 2011-3-29 06:36 [/quote]