Really want to save some gas money you may have to check the followings: * u$ s, J! J4 s! e8 n( V; F9 Z# W
1. The thermostat settings. Set the temperature as low as you still feel ok. say 16 degree? ) Z( H# o& x6 q" p; Y. Y2. Close the vents near the entrance door and garage door, vents in the bathrooms. " a5 d v( T% i/ k, A3. 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)