The EcoSmart 36 kW 7.03 GPM 240-Volt Electric Tankless Water Heater is a compact and energy-efficient solution for hot water needs. With its instantaneous heating system and digital control, this wall-mounted water heater offers water temperatures ranging from 80°F to 140°F. The self-modulating feature ensures efficiency, while the Energy Star rating of 1 Star makes it a reliable choice for indoor use. With a power range of 3501-4000 W and a high voltage of 240 V, this electric tankless water heater by Eco-Smart is a convenient and eco-friendly option for home heating, cooling, and air systems.