Modine’s 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. Features include: Orb controller, quick startup; full color LCD touchscreen; control of up to four forced-air zones; standard, real time displays of EER and COP estimates; water and air temperatures; and easy troubleshooting. All systems use R410A refrigerant and offer a 10-year limited warranty.