Really want to save some gas money you may have to check the followings: / M9 J' K' f* O, `* c1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree? - Q7 {- ~. ]# w$ b2 o6 u8 A2. Close the vents near the entrance door and garage door, vents in the bathrooms. 6 u" T8 K2 I: W4 `4 L* {5 N; k" d8 @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)