Really want to save some gas money you may have to check the followings: ( u; H& y% D4 ~6 n0 u+ U3 A
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?- N; m/ ^2 v) X
2. Close the vents near the entrance door and garage door, vents in the bathrooms. 1 i: d9 l! d+ ^9 y
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)