Modine’s geothermal systems offer an enhanced control platform. All the geothermal systems — from 1.5 tons to 12 tons — provide quick start-up, easy safety device wiring, multiple inputs/outputs,  and easy troubleshooting. The Energy Star-rated residential and light commercial geothermal product line includes water-to-water, water-to-air, water-to-air/water combination, and split condensing/air-handling systems. Standard features include ECM fan motors, dual-speed scroll compressors, MERV 13 air filters, oversized heat exchangers and a 10-year limited warranty.