EcoSmart ECO 18 Tankless Water Heater
Best tankless heater for small homes in warmer climates.
This tankless unit delivers endless hot water on demand, effectively reclaiming the closet space once hogged by a bulky tank. It’s a brilliant upgrade for moderate climates, though you’ll need to manage expectations if you live in freezing regions where incoming water temperatures can overwhelm its heating capacity.
$475.00
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Who it's for
- Homeowners looking to lower monthly utility bills
- Residents with limited storage space in utility closets
- Families needing endless hot water for busy households
Who should skip it
- Homeowners with outdated electrical panels or limited amperage
- Residents in cold climates needing high-volume hot water
- Budget-conscious buyers prioritizing low initial purchase prices
Performance breakdown
Energy Efficiency
Self-modulating technology significantly cuts waste by heating only what you need.
Flow Capacity
Handles multiple fixtures simultaneously in warmer climates with impressive consistency.
Temperature Precision
Digital controls allow for exact, one-degree adjustments for personalized comfort.
Space Efficiency
Compact wall-mounted design eliminates the bulky footprint of traditional tank heaters.
Installation Complexity
Requires significant electrical upgrades, making professional installation almost always necessary.
Long-term Reliability
Lifetime residential warranty signals high confidence in the unit's durable construction.
Key Specs
Water Heater Type
Tankless (On-Demand)
Power Rating
18 KW
Voltage
240 Volts
Amperage
75 amps (requires 2 x 40 AMP breakers)
Flow Rate @ 35°F Rise
3.51 gal/min
Minimum Activation Flow Rate
0.3 GPM
Temperature Range
80°F - 140°F
Fuel Type
Electric
Installation Location
Indoor
Mounting Type
Wall Mounted
Know before you buy
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