Really want to save some gas money you may have to check the followings: 8 j, }6 M) [ J( g1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree? : a, M- c/ _' {3 o2. Close the vents near the entrance door and garage door, vents in the bathrooms. 0 T: M; x: W# r `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)