Really want to save some gas money you may have to check the followings: - \1 w- q0 h3 T1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree? # \' ]+ q/ A" ]2. Close the vents near the entrance door and garage door, vents in the bathrooms. " ^: v" ^' v' p3. 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)