Really want to save some gas money you may have to check the followings: & z; @- Y4 C4 y5 N' J
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?- @/ @5 V7 e8 G
2. Close the vents near the entrance door and garage door, vents in the bathrooms. ) _7 A/ s6 S- e
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)