Really want to save some gas money you may have to check the followings: 3 a* z) A& n( z6 c1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?0 c' l3 J! D( s3 ~: k
2. Close the vents near the entrance door and garage door, vents in the bathrooms. ' B7 Z0 Z4 l e+ J1 E, ?5 J& [' }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)