Ecosmart ECO POU 3.5 kw / 120 v Point-of-Use Tankless Electric Water Heater
Meet the EcoSmart POU 3.5, a compact, point-of-use tankless electric water heater designed to deliver on-demand hot water right where you need it. This 120V, 3.5 kW unit is perfect for single low-flow faucets in locations like a bathroom sink, office breakroom, or wet bar. It saves significant space—up to 93% smaller than traditional heaters—and eliminates standby heat loss for energy savings. The unit features advanced self-modulating technology, achieving a high Uniform Energy Factor (UEF) up to 0.95. Installation is simplified as venting is not required. It includes optional flow restrictors for optimal performance and offers precise digital temperature control.
$186.95
Owner Satisfaction
3.9
/ 5
Category Rank
191
/ 222
#191 in Water Heaters
Price vs Category Average
-79%
Below average
Power
3.5120
/ kW at V
Who it's for
- Compact Design & Easy Installation
- Standard 120V Operation
- Instant Point-of-Use Hot Water
Who should skip it
- Extremely Limited Flow Rate
- Poor Performance in Cold Climates
- Dedicated Circuit Required
Key Specs
Power
3.5 kW at 120V
Amperage
29 A
Required Circuit
One 30 A Single Pole breaker
Dimensions
7"H x 11"W x 3"D
Weight
4 lbs.
Heat Exchanger Material
Stainless Steel
Operating Pressure
25 PSI minimum to 150 PSI maximum
Uniform Energy Factor (UEF)
0.95
Features
- Provides on-demand hot water at the source
- Saves space; 93% smaller than standard heaters
- Zero standby heat loss saves energy
- Advanced self-modulating technology optimizes power use
- Durable, replaceable copper-sheathed heating elements
- Digital temperature control from 80°F to 140°F
- Venting is not required for installation
- Includes optional flow restrictors for faucets
What customers say
Consumer sentiment centers on the unit's excellent space efficiency and energy savings. Its compact design makes it perfect for tight installations, and users appreciate the on demand heating that lowers utility costs. Success is directly tied to managing flow rates. Customers who restrict water flow to a trickle find this unit reliable for light tasks like handwashing. However, disappointment arises when expectations exceed its low power capacity. This heater excels strictly as a supplemental or ultra low demand solution, not for standard kitchen or shower flow rates. Understanding this low flow requirement is key to overall satisfaction.
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