If you are looking to replace the air conditioning or heating system in your home, you may want to consider an air-source heat pump.
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Set your water heater thermostat at 120 degrees F or lower. This way you'll reduce the amount of energy it takes to produce and maintain your hot water by not overheating it. The average household spends about $245 per year on water heating; the second largest energy expenditure behind heating and cooling.
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