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option 1: Two seperated furnances and seperated control + A- [9 _- o9 D" s: o6 X$ y (for big house > 3000 ft) ( @1 w- r4 M0 }) woption 2: One furnance with Zone Control device 0 r0 a/ w! p. s' O (three zones or fours zone will be good) - total efficiency will be higher 2 |: b* e6 D9 |) g5 i ' v% y' s) ~4 d! ~7 vTotal 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?* l3 x m, N$ A5 Q V
( s6 Q; W3 A: w0 v4 p+ g , j9 E5 p7 m1 F0 E4 v. ~9 xoption 1: Two seperated furnances and seperated control + p6 s. V6 w8 r. } (for big house > 3000 ft) 7 U9 E, K0 v4 Y: h/ Doption 2: One furnance with Zone Control device 0 K4 s x9 r+ j& D! w0 d! f (three zone ...3 w3 t" `' p! B4 r
十年移民路_ 发表于 2011-3-29 06:36 [/quote]