Really want to save some gas money you may have to check the followings: 1 @5 ~& l) X% p- L
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree? p3 Q4 m7 m3 \3 m8 A8 v2. Close the vents near the entrance door and garage door, vents in the bathrooms. 8 J) [; |. ]5 o* Y% k
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)