If you're living in your forever home, or need a unit that focuses on long-term total cost of ownership, the Goodman GPD14M series if for you. The Goodman GPD14 series of all-in-one dual-fuel packaged units sit entirely outdoors and connect to your existing ductwork. These units handle all your heating and cooling needes for your home using both heat pump and gas furnace technologies, changing from using the heat pump to using natural gas to heat your home automatically. All of these Goodman units come fully charged and tested, making for quick and easy installation by a professional.