If you're thinking it's time to do something about your cold house and your high heating bills, here are five win-win suggestions that will help you do both. 1. REPLACE YOUR FURNACE FILTER A clogged filter makes your furnace work harder to deliver the same amount of heat, which wastes energy by keeping the furnace on for a longer period in order to bring the house up to the requested temperature. If you have a central heating system (used for heat only), replace the filter once a year, at the start of the heating season. If you have a heat pump or a furnace with central air conditioning, replace it twice a year, at the start of the heating season and at the start of the cooling season. While replacing the filter, always use a shop vacuum to clean up as much dust and debris with...
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