Really want to save some gas money you may have to check the followings: / L- i0 a5 e" t2 c
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?+ h# L3 u2 r& ^# W! R4 y
2. Close the vents near the entrance door and garage door, vents in the bathrooms. : m% ?4 {1 {/ B; j% F+ l8 `
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)