Really want to save some gas money you may have to check the followings: ) e _5 O" N' T9 X5 X1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?! H8 ?9 s3 c! w P& m
2. Close the vents near the entrance door and garage door, vents in the bathrooms. . j" g% r x9 [1 K
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)