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Advantages of a dual fuel system

Although a dual fuel system is a much larger investment than the traditional combination of a furnace and air conditioner, the benefits help to recover the cost. The difference is the heat pump. A dual fuel system combines an electric heat pump with a natural gas furnace. In cooling mode, a heat pump operates almost identically to a central air conditioner. It works by pulling heat from the air inside the home and transferring it outside by way of refrigerant. When the weather cools off, a heat pump is able to reverse the operation entirely. It finds ambient heat in the outdoor air and sends it back indoors. The process avoids the burning of fossil fuels to create heat. No combustion eliminates concerns over carbon monoxide, carbon dioxide, fumes, hot surfaces or greenhouse gasses. Heat pumps are wonderfully environmentally responsible. They are also safe, clean and energy efficient. Modern heat pumps feature adaptable speed technology that allow the system to automatically adjust capacity anywhere between 40 and 100%. Running at lower speeds for longer cycles not only keeps costs to a minimum but helps with dehumidification. Heat pumps cost much less to operate than a furnace. However, once the outdoor temperature drops below freezing, a heat pump struggles to be effective. There’s not enough heat available in the air and the system fails to keep up with demand. At this point, the furnace automatically assumes the responsibility and runs for as long as necessary. With a dual fuel system, the most advantageous source is used at any given time, ensuring ideal comfort no matter what the weather brings.

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