Really want to save some gas money you may have to check the followings: 9 W- s& [$ N8 ^! U7 I1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree?( @6 d. N9 w, y7 h1 j/ J
2. Close the vents near the entrance door and garage door, vents in the bathrooms. . q3 X) g0 F0 g* N$ r3. 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)