15 Apr '12, 2pm

Clean furnace filters once a month. Cal Energy Commission's Consumer Energy Center provides details

Consider replacing your old gas appliances with an ENERGY STAR® water heater or furnace. If your gas water heater is more than 12 years old, consider replacing it with a newer, more efficient model. The best indicator of a water heater's efficiency is the Energy Factor (EF). The higher the EF, the more efficient the water heater. The minimum EF required for gas utility rebates in California is 0.62. If your furnace is over 15 years old, consider replacing it with an newer ENERGY STAR rated model that is about 15 percent more efficient than standard models. Also, new Title 24 Energy Efficiency regulations about duct inspections during furnace replacement took effect October 1, 2005. See the Energy Commission's Web page on furnace change-outs.

Full article: http://www.consumerenergycenter.org/tips/winter.html

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