1. Optimise Heating: Lower the thermostat when away, dress warmly.
  2. Improve Insulation: Insulate walls, attic, and floors. Caulk and weather-strip.
  3. Use Energy-Efficient Appliances: Choose Energy Star-rated gas appliances.
  4. Unplug Unused Devices: Reduce standby consumption.
  5. Conserve Hot Water: Install low-flow fixtures, fix leaks, and insulate the water heater.