1#feinet2001 , b" I0 V9 X& @# h" L$ y4 { & Q0 S7 F" {% M- Uoption 1: Two seperated furnances and seperated control ) ^* S+ K/ ^6 J: L6 u- y" h (for big house > 3000 ft)- g: S0 r+ |* F Z e
option 2: One furnance with Zone Control device 5 r7 N$ _# q5 U- f7 a+ O (three zones or fours zone will be good) - total efficiency will be higher 0 C/ i; U. h8 \$ C% y, g6 P+ P. f3 U( `" _/ h, a/ 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? # C/ n( ^& j3 \& {' G6 w1 m2 o$ w, R" e
* S* J( h' }* B) W
option 1: Two seperated furnances and seperated control % K5 I% v9 Y+ R, J# \: f (for big house > 3000 ft)( {) n) P7 A+ Q3 N" z
option 2: One furnance with Zone Control device # P2 V8 g0 T- [1 M* z/ i( i2 O
(three zone ... ( h2 t# H" g. g1 @- G$ M" E十年移民路_ 发表于 2011-3-29 06:36 [/quote]