Really want to save some gas money you may have to check the followings: ) }5 h, F! p5 r' x' U" q% V# w1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?6 q; r+ e- @* G; H2 X3 X5 S, H
2. Close the vents near the entrance door and garage door, vents in the bathrooms. 1 h7 x$ ?- e1 V' ~2 @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)