1#feinet2001 1 e- Z* B& C3 `' o# s 0 V- n; d; e; i+ o" y" c* goption 1: Two seperated furnances and seperated control 4 ?( |* G: a2 E2 s+ ~ (for big house > 3000 ft) 4 k6 }$ j* k8 O Doption 2: One furnance with Zone Control device " Q% f1 l3 `7 U
(three zones or fours zone will be good) - total efficiency will be higher " ^2 G1 E: s5 s# I! _ K* P1 T: _. A3 I1 B6 T! z0 Y
Total cost is not big difference.