Really want to save some gas money you may have to check the followings: 9 m2 y1 S! i) g' e( G" z2 ?1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?9 Z+ s. r- C: u+ B+ m! K0 O1 `5 E" G
2. Close the vents near the entrance door and garage door, vents in the bathrooms. 9 R3 {) c7 y e) Z% E. v
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)