Embrace comfort with the GeoCool all DC Inverter Technology. Equipped with the high precision Electronic Expansion Valve, allowing for more accurate temperature control while also keeping the utility bill down. The flexibility of four independent modules makes it easy to meet the installation requirements of different air outlet methods and applications. Space constraints are less of an issue when a custom built layout is an option! For a long term solution with lower maintenance costs, design your own GeoCool Inverter Series Geothermal unit.