Really want to save some gas money you may have to check the followings: 8 c& A5 L( |# f
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree? 2 a! v- b3 J" ?; R3 Z7 p+ w2. Close the vents near the entrance door and garage door, vents in the bathrooms. " R1 T0 ^" f& H3. 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)