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: Are You Ready for Fall Fall : Energy Saving Changes with the Season October 18, 2011 06:42 I'm sure you've noticed the change in seasons by now . Fall brings cooler weather , and with it my thoughts turn to warm things like putting blankets on the couch , enjoying my fireplace , and adjusting my thermostat as little as possible , of course One thing we did over the weekend is we insulated our water heater Depending on how efficient your water heater tank is , adding insulation can reduce standby heat losses by 25 45 and save you around 4 9 in water heating costs . Since water heating contributes an average of 18 to the typical home utility bill , it's definitely worth it to add insulation The package I bought was under 25, and it only took my husband and me about 15 minutes to install .