Description
Product Overview
The EcoSmart ECO 18 is an electric tankless water heater designed for efficient, on-demand hot water delivery. With a power output of 18 kilowatts and a maximum flow rate of 3.51 gallons per minute, it ensures consistent performance in climates where incoming water temperature is 62°F or higher. This model operates at 240 volts and features a compact design measuring 14 inches wide by 17 inches high, making it ideal for wall mounting in residential settings. Constructed with durable materials and certified to UL-499 standards, it includes digital temperature control for precise adjustments in 1-degree increments, supporting single-phase electrical systems. The unit weighs 14 pounds and comes with a lifetime warranty covering electronics, heat exchanger, and element, emphasizing long-term reliability.

Usage
This water heater is best suited for homes in regions with moderate to warm climates, where it can efficiently heat water for showers, sinks, and appliances without the need for a storage tank. It is ideal for households seeking to reduce energy costs and space usage, providing hot water on demand for up to 2.5 gallons per minute in typical use cases. The digital controls allow users to set exact temperatures, making it perfect for families or individuals who value comfort and convenience. Its wall-mounted installation saves floor space, fitting seamlessly into utility rooms, basements, or compact living areas.
Why Choose Us
EcoSmart water heaters stand out due to their high energy efficiency of 99.8%, which translates to lower electricity bills and reduced environmental impact. The lifetime warranty on critical components ensures peace of mind, covering the cost of the heater for its lifespan. Unlike traditional tank models, this tankless design eliminates standby heat loss, providing hot water only when needed. The brand’s focus on innovation, such as digital temperature control and compact form factors, offers a superior user experience backed by reliable performance and safety certifications.
Key Features
- Digital temperature control for precise adjustments in 1-degree increments
- 18 kW power output delivering up to 3.51 gallons per minute of hot water
- 99.8% energy efficiency for cost savings and environmental benefits
- Compact wall-mounted design saving space and allowing flexible installation
- Lifetime warranty on electronics, heat exchanger, and element for long-term reliability
FAQ
What climates is the EcoSmart ECO 18 suitable for?
It is configured for climates where the incoming water temperature is 62 degrees Fahrenheit or above, ensuring optimal performance in warmer regions.
How much hot water can this unit provide?
The heater can deliver over 2.5 gallons per minute, making it suitable for simultaneous use in multiple applications like showers and sinks.
What is included in the lifetime warranty?
The warranty covers the cost of the heater’s electronics, heat exchanger, and element, but does not include labor or incidental damages.
Does it require batteries to operate?
No, this electric water heater does not need batteries; it runs on a 240-volt electrical supply.
Can I install it myself?
While it is designed for wall mounting, professional installation is recommended to ensure proper electrical connections and safety compliance.





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