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The EcoSmart ECO 27 is a whole-home electric tankless water heater rated at 27 kW and 112.5 amps at 240 volts. It heats water only on demand, holds output within about 1 degree of the set temperature, and measures 17 x 17 x 3.75 inches, roughly 90% smaller than a tank unit. It needs three 40-amp double-pole breakers and a 200-amp panel, so it suits homes with heavy electrical service and moderate incoming water temperatures. Output runs about 2.7 to 6.5 gallons per minute depending on how cold the inlet water is, which is the main limit against gas tankless models and larger electric units.
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Owners generally report steady, endless hot water once the unit is correctly sized and wired, and many praise the space savings over a tank. Complaints center on the heavy electrical requirements and on output falling short in cold climates or with high simultaneous demand.
The Ecosmart ECO 27 is an electric tankless water heater that heats water on demand instead of storing it in a tank. It is rated at 27 kW at 240 volts and draws 112.5 amps. It can be mounted on a wall or at the point of use, and it is meant for whole-home applications.
This model is configured for cold climates and high flow rates, where incoming water temperature can drop below 45 F, down to 37 degrees. It provides between 2.7 and 6.5 gallons per minute depending on the inlet water temperature. At 37 degrees it heats nearly 3 gallons per minute. It suits homes in the northern U.S. and Canada, and large tubs in the southern U.S. that need more hot water.
Self-modulating flow sensor technology regulates the energy used to heat the water needed. Water temperature and flow rate are monitored continuously to keep the output within 1 degree of the selected temperature. A digital display shows the outlet temperature setting, which can be adjusted in 1-degree increments. Check that this model fits your hot water and electrical needs before purchase and installation.
