Really want to save some gas money you may have to check the followings: 5 K* a1 n6 n) j) c* a. P/ Q& V6 s1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?0 f4 p( {8 T2 X
2. Close the vents near the entrance door and garage door, vents in the bathrooms. 2 z5 N& v; a) q4 i5 ]0 q
3. Check the on/off cycle of the furnace, and flame of the furnace to make sure the furnace burns efficiently . ( need a professional people to look after)