ECOS 27 - Whole House

EcoSmart™ ECOS Tankless Electric Water Heaters
Provide Endless Hot Water at a Great Value

ECOS 27 tankless electric water heaters are available at a great value for new construction builds and all applications in the home including point-of-use installation. In warmer climates, these models provide enough hot water to run multiple fixtures simultaneously. All ECOS models include a 5-year leak and 1-year parts warranty. To select a unit that meets electrical and hot water gallons per minute (GPM) requirements, please use the sizing guide.


  • Saves space – up to 93% smaller than a standard electric water heater
  • Saves Energy – zero standby heat loss when installed near point-of-use
  • More Hot Water – up to 4 times the hot water delivery of a standard electric tank (per hour)
  • High Efficiency – UEF up to .96 and advanced self-modulating technology only consumes the power needed to satisfy hot water demand
  • Copper-sheathed immersion heating elements fit into a single chamber with threaded brass connections for easy replacement
  • Stainless steel heat exchanger reduces corrosion for long life
  • EcoSmart™ Exclusive – SafeStart™ technology engages upon start-up and any power outage to help avoid dry-fire occurrence and protect the unit
  • Durable, lightweight engineered polymer shell does not rust or corrode
  • Designed to be mounted in an upright position with the inlet and outlet water connections at the bottom of the unit for ease of installation 
  • Venting is not required to operate, simplifying the installation process compared to a gas tankless water heater
  • Digital thermostatic temperature controls in 1-degree increments ranging from 60°F - 140°F (26°C - 60°C)

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