Really want to save some gas money you may have to check the followings: 0 R1 o/ N' ^3 \ H9 ^0 C1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?! A- Q- a5 X O5 D
2. Close the vents near the entrance door and garage door, vents in the bathrooms. . I O8 J8 h' T" }* C3. 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)