ECO 18 Whole House 18 kW Electric Tankless Water Heater

Product Overview

The ECO 18 Whole House 18 kW Electric Tankless Water Heater is a powerful, energy‑efficient on‑demand hot water solution designed for medium‑sized homes and households with moderate to higher hot water demand. This electric tankless system provides continuous hot water without the limitations of a traditional storage tank, ensuring comfort, efficiency, and space savings in one compact unit.

Engineered with advanced self‑modulating technology, the ECO 18 intelligently adjusts power output based on real‑time water flow and incoming temperature. This allows the unit to deliver consistent hot water while optimizing electrical consumption and reducing operating costs. Its slim, wall‑mounted design makes it ideal for both retrofit upgrades and new construction projects where efficiency and performance are priorities.

Key Features

• Whole‑house electric tankless water heating solution
• 18 kW heating capacity for medium‑demand households
• Continuous hot water with no storage tank required
• Self‑modulating technology adjusts energy usage based on demand
• Digital temperature control with precise adjustment
• Compact, wall‑mounted design saves installation space
• Eliminates standby heat loss associated with tank heaters
• Durable internal heating elements for long‑term reliability
• Designed for residential and light‑duty applications
• Consistent temperature delivery during simultaneous usage

Specifications (Manufacturer Provided)

• Model: ECO 18
• Type: Electric Tankless Water Heater
• Application: Whole House
• Heating Capacity: 18 kW
• Voltage: 240 VAC
• Phase: Single Phase
• Amperage: 75 Amps (3 × 25 Amp breakers)
• Heating Elements: Three independent heating elements
• Temperature Range: Adjustable from 80°F to 140°F
• Temperature Control: Digital display with precise control
• Energy Efficiency: High‑efficiency self‑modulating operation
• Mounting: Wall‑mounted, indoor installation
• Water Connections: Standard residential plumbing connections
• Construction: Durable metal housing with corrosion‑resistant components

Applications

The ECO 18 Electric Tankless Water Heater is well suited for a variety of residential hot water needs, including:

• Medium‑sized homes and townhouses
• Two‑bathroom residences
• Whole‑house hot water systems
• Simultaneous use of showers, sinks, and appliances
• Energy‑efficient replacements for traditional tank heaters
• New residential construction and remodels
• Space‑constrained mechanical rooms

This model offers an excellent balance between performance and efficiency for households requiring reliable, on‑demand hot water.

Performance & Energy Efficiency

The ECO 18 heats water instantly as it flows through the unit, ensuring hot water is available whenever needed without maintaining a stored supply. Its self‑modulating technology continuously monitors usage and adjusts power output accordingly, helping to minimize energy consumption while maintaining the selected temperature.

By eliminating standby heat loss and matching energy use to actual demand, the ECO 18 supports lower operating costs and improved overall efficiency compared to traditional tank‑style water heaters.

Installation & Compatibility

Designed for indoor, wall‑mounted installation, the ECO 18 integrates easily into residential plumbing systems and operates on 240V electrical service. Its compact form factor allows installation in utility rooms, closets, or mechanical spaces. Professional installation is recommended to ensure proper electrical configuration and compliance with local codes.

Ideal For

• Medium‑sized households with moderate hot water demand
• Homes with multiple bathrooms
• Energy‑conscious homeowners
• Space‑saving water heating installations
• Tank‑to‑tankless upgrade projects
• New residential construction