Really want to save some gas money you may have to check the followings: " k( Z3 i/ o5 y8 {1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?4 v: m9 C* J3 c3 R. h: H& `8 o
2. Close the vents near the entrance door and garage door, vents in the bathrooms. . E/ z7 c) G, }# X" n7 @
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)