Lenten Carbon Fast

Day 8: What you can do today Your hot water heater represents about 20-30% of the carbon emissions of your home, the biggest user of energy in your house. Consider setting your hot water thermostat to 120°F. Insulate your hot water tank with an insulation jacket if available for your system. Arrange for your boiler to be serviced so it runs more efficiently. If your boiler needs to be replaced, learn all you can about energy efficiency. A great resource: http://www.house-energy.com/