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The Ecosmart Large ECO 24 and ECO 27 Electric Tankless Hot Water Heaters let you enjoy endless hot water when you want it, only when you need it. Go Tankless and Save.

Get rid of your tank and get:

Energy savings: The Ecosmart Smart Technology electric tankless water heater can save you up to 60% off your water heating bills. Even if it costs the same or less than a regular tank water heater. It has an energy efficiency rating of 99.8%. It will pay for itself many times over.
Extra space: Ecosmart's tankless design saves you a large amount of space for storage (see picture below).
Luxury and comfort: Never run out of hot water.
Convenience: The Digital Temperature Dial lets you easily set your preferred maximum hot water temperature at up to 140°F. Could you ever do that with your old hot water tank?
Safe Self Modulating Technology: Prevents spikes in your electrical current.
30-Day Money-Back Guarantee and a Lifetime Warranty

These water heaters are the most powerful Smart Technology electric tankless units in the market today. They are engineered for both cold climates, with incoming water temp that may drop below 45°F, and warm climates. They are ideal for homes both in the northern US and Canada, and Southern US homes, and homes that have generally more demanding water usage requirements. This water heater will work with large Roman-style or Jacuzzi tubs.

Chart B

This chart presents the flow rates at each inlet temperature with the unit's temperature control setting at 105°F.

Example: If you usually use about 2.5 gallons per minute (one shower with a water-saver showerhead and one hand sink) simultaneously, find the 2.5 GPM on the chart or the number closest to it. If the number is highlighted in GREEN, then it is the correct model for you. If it is highlighted in YELLOW, that means you can get by with it. If it is highlighted in RED, you have to consider a more powerful model.

Electrical Requirements

Before you purchase an EcoSmart, please make sure that your home has sufficient electrical capacity to run it. Refer to the following chart for electrical requirements:

Wire gauge and breaker size must meet all applicable provincial, state, local, and national electrical codes for your area. These are only guidelines that may apply to most installations. Some codes require use of an electrical sub-panel, especially when heater isn't mounted within the line-of-sight of the main electrical panel. Wiring should be sized to maintain a voltage drop of less than 3% under load.

If your home is already equipped with a large number of electrical appliances, you may require a larger electrical service than the one recommended above. The above chart contains only guidelines. Please consult with an electrician before placing an order.

Download Installation Manual
Download Troubleshooting Guide for Electricians

What savings do you get with ECOSMART's Tankless Water Heater?

The primary difference between savings associated with storage tank heaters compared to tankless heaters is the amount of energy and time consumed during operation. An electric tankless water heater consumes more energy compared to a tank heater during its use, but it consumes energy for a drastically shorter period of time. The result is a reduction in water heating costs by up to 60%.

The image below contains a visual representation of the concept mentioned above using data taken from independent third party testers. It shows how the storage tank heater keeps drawing power even after the need for hot water has long ceased. In this example, the tank heater used energy for 34.5 minutes just for a 10-minute shower. It also used a total of 2.5 kWh, in comparison to the ECO 27 which consumed just 1.6 kWh. The steadiness in the data represented about the ECO 27 is also an accurate indication of how precise the Self-Modulating Technology is, allowing for very minimal differences in energy consumption.

PSC (Product Safety Consulting, Inc.)  is a product testing firm recognized internationally and accredited by several reputable organizations. PSC administered numerous tests that simulate daily hot water usage and then compared the energy consumption results between an ECO 27, the largest model available from ECOSMART, and a 40 gallon water heater from Rheem. Based on an average ten-minute shower consuming two gallons per minute, a 37% savings in energy consumption was confirmed with the ECO 27.  This figure is based on usage comparison and does not take into account energy loss associated with Cycling Loss and Standby-by Loss which may be accountable for up to 20% energy loss. This loss included, the ECO 27 uses up to 57% less energy compared to a standard electric storage tank water heater.

Summary: ECOSMART Testing Data