Really want to save some gas money you may have to check the followings: 3 u/ N: X4 ]7 G, V# ^7 z
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree? 0 k" n! v% x$ g3 H/ \* {. a$ ]2. Close the vents near the entrance door and garage door, vents in the bathrooms. % Y, N1 F6 V k. u0 w7 o& Z t
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)