9 t. z$ G$ y& x- ?% `5 b3 N5 F. \option 1: Two seperated furnances and seperated control 5 r W; d1 Z, ]0 Q8 S (for big house > 3000 ft) : k( x1 u, s0 R( Z. doption 2: One furnance with Zone Control device ( S N |% |8 `& u9 o% n# }% u% M (three zones or fours zone will be good) - total efficiency will be higher ) H0 `$ F3 ]( m8 _- r3 C% h) M6 U+ h/ n( ~$ K, B: H
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? 2 N( }( k0 F6 x- j* e2 V, b d& f: @+ Y% Y9 r6 e
- }. r0 ?0 A9 z4 M6 K6 m' I' p' h h
option 1: Two seperated furnances and seperated control ' s+ \3 X) w3 {# @+ k/ v (for big house > 3000 ft) 4 d1 H1 B; u/ l) Ioption 2: One furnance with Zone Control device - ]# s$ @9 k4 s {2 o
(three zone ...6 E. j. ?: K/ m1 O2 ?- E2 d, B$ P
十年移民路_ 发表于 2011-3-29 06:36 [/quote]