ECO 18 - Whole Home

EcoSmart™ ECO 18 kW Tankless Electric Water Heaters
Provide Endless Hot Water for Whole Home Applications

These durable and compact water heaters can be installed at the point of use or anywhere in your home. Perfect for apartments, townhomes, condos, and especially new construction. In warmer climates, ECO 18 kW tankless electric water heaters are ideal for running multiple fixtures simultaneously. To select a unit that meets your needs, please use the sizing guides for electrical requirements and hot water demand (GPMs).


  • Saves Space – up to 93% smaller than a standard electric water heater
  • Saves Energy – zero standby heat loss when installed near the point of use
  • More Hot Water – up to 4 times the hot water delivery of a standard electric tank (per hour)
  • Efficient Design – UEF up to .94 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Copper immersion heating elements fit into a multi-chamber design to improve the thermal performance providing better temperature control and faster recovery of hot water
  • Copper heat exchanger transfers heat fast and resists corrosion
  • Durable powder-coated shell with a galvanized steel backplate
  • Brass NPT fittings located on the bottom for the inlet and outlet water connections provide strength and durability
  • Digital thermostatic temperature controls in 1-degree increments ranging from 80°F - 140°F (26°C - 60°C)

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