http://green.yahoo.com/blog/amorylovins/15/heating-your-home-efficiently.html;_ylt=AlFb8_hEPZupkClRII29h5CtV8cX
- If you don't have one already, consider installing a programmable thermostat. These cost around $30-100 and allow you to preset a heating and cooling schedule that maintains a comfortable temperature when you're home, but lightens the load when you're not. Energy Star rates many such thermostats.
- If you have a furnace, seal your system's ducts with mastic and insulate hot-air ducts that pass through unheated spaces with fiberglass. Leaky ducts can decrease a furnace's efficiency by 20-30 percent.
- Most new boilers and furnaces come equipped with an electronic ignition for your pilot light. If your furnace or boiler doesn't have one (and you can turn your pilot light on and off safely), consider turning your pilot light off during the summer months when your heater's off.
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