ClimateMaster ATM11H02 is a multi-zone geothermal heat pump system featuring the most advanced technology in home comfort and energy efficiency. It is designed to provide heating and cooling for your home using the earth's natural energy, making it an environmentally friendly and cost-effective option. The system includes a variable-speed compressor, which adjusts its speed to match the heating or cooling load of your home, resulting in improved comfort and energy savings.