EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
🔥 Endless Hot Water: Imagine stepping into a shower that never turns cold—thanks to the EcoSmart ECO 11, that dream is a reality. It's smart, too, adjusting on the fly to keep your water just right without wasting a drop.
🏠Space-Saving Design: Say goodbye to bulky tanks hogging your closet space. This little guy is 90% smaller and can tuck away almost anywhere—perfect for tight spots or when you just don’t want your water heater to be the centerpiece of your room.
💡 Energy Efficient: Here’s the kicker: it’s 99% efficient. That means it only heats water when you actually need it, unlike those old-school tanks that keep warming water like it’s going out of style (and driving up your bills in the process).
📏 Perfect Sizing: Whether you’re rinsing dishes or soaking in the tub, the 13-kilowatt model has got you covered, pushing out 1.3 to 3.1 gallons per minute. Just make sure to peek at the sizing guide—because nobody likes a cold surprise.
General specs
- Brand: EcoSmart
- Model: ECO 11
- Seller: Amazon
- ID: B001LZRF9M
- Power: 13KW at 240 Volts
- Amperage Draw: 54 A
- Dimensions: 11.5 x 8 x 3.75 inches
- Flow Rate: 1.3 to 3.1 gallons per minute
- First listed by seller: 3/30/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Amazon
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| Brand | EcoSmart | Rheem | GE | HNK | BOSCH | Vestidos |
| Model | ECO 11 | RTEX-24 | GE06P08BAR | D3548A11 | ES2.5 | |
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| Price | $206.76 | $510.99 | $155.10 | $139.98 | $209.65 | $97.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Joom |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Dec 6, 2025 | Feb 5, 2026 |
| Product Dimensions | 17.63"W x 18.25"H | 17.25"W x 17.75"H | 9.13"W x 7.59"H | 13.75"W x 13.75"H | ||
| Special Feature | LED Display | Adjustable Thermostat | Temperature Lock, Dry Combustion Protection, Overheat Protection, LED Display, Low Water Flow Protection | |||
| Wattage | 24 KW | 3500 watts | 1440 watts | |||
| Voltage | 240 Volts | 120 Volts | 110 Volts | 120 Volts (DC) | ||
| Heat Output | 24 Kilowatts | 140 Degrees Fahrenheit | 2.5 Gallons | |||
| Maximum Operating Pressure | 150 | 150 Pound per Square Inch | 6 Bars | |||
| Mounting Type | Wall | Wall or Floor | Wall | Wall | ||
| Is Electric | Yes | Yes | Yes | |||
| Maximum Temperature | 140 Degrees Fahrenheit | 131 Degrees Fahrenheit | 140 Degrees Fahrenheit | |||