Having enough propane gas from Greenville, SC suppliers during the winter requires adopting fuel conservation practices. Lower the thermostat to 68 degrees; energy experts predict 5% savings in heating bills if you keep the thermostat in the 60- to 70-degree range. Make sure to wear warm clothes as you do this. Ensure that your heating and air-conditioning systems are maintained so that they perform optimally. Keeping furnaces and air filters clean will also guarantee maximum performance without consuming excess energy. Have doors and windows caulked to prevent heat from escaping.