Really want to save some gas money you may have to check the followings: $ l/ L7 ^. Y# J. {0 C
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?& h7 t4 t/ s! i4 H" L7 F
2. Close the vents near the entrance door and garage door, vents in the bathrooms. 6 V8 U9 w: J9 @* [- M: H" v1 O3. 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)