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Best EcoSmartWaterHeaters Water Heaters

EcoSmartWaterHeaters offers energy-efficient tankless electric water heaters with patented self-modulating technology for on-demand hot water in homes and point-of-use setups.

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EcoSmart POU 6T 6.5kW 240V Tankless Electric Water Heater - Endless Hot Water for Single Sink Point-of-Use

The EcoSmart POU 6T is a 6.5kW 240V thermostatic tankless electric water heater for single sink point-of-use applications. Its self-modulating technology delivers endless hot water while saving energy and space, ideal for bathrooms, wet bars, or office breakrooms in cooler climates.

  • Endless on-demand hot water that never runs out for single sinks
  • Energy savings with advanced self-modulating technology that only heats when needed
  • 90% smaller than traditional tanks, freeing up valuable space
  • Precise digital temperature control from 80-140°F in 1-degree increments
  • Compact wall-mounted design perfect for point-of-use installation

Provides consistent endless hot water without waiting. Highly energy-efficient for reduced utility bills. Space-saving and easy to install under sinks.

Limited to low-flow or single sink use, not whole-home. Requires 240V electrical setup and 10 AWG wiring. Performance optimized for cooler climates.

EcoSmart ECO 8 Tankless Electric Water Heater 8kW - Endless Hot Water for Shower & Sink, 240V Point-of-Use

The EcoSmart ECO 8 is an 8kW electric tankless water heater designed for point-of-use like one shower and sink in climates with 67°F+ inlet water. Its self-modulating technology and digital controls deliver endless on-demand hot water efficiently, ideal for bathrooms or small sinks.

  • Endless on-demand hot water without waiting or running out
  • Saves up to 50% on water heating costs with self-modulating efficiency
  • Compact wall-mount design frees up 90% more space than traditional tanks
  • Precise digital temperature control from 80°F to 140°F in 1° increments
  • Ideal for point-of-use like showers, sinks, or breakrooms in warm climates

Provides consistent hot water for low-flow applications up to 2 GPM. Energy-efficient operation reduces waste and utility bills. Space-saving and easy to install under sinks or near fixtures.

Best for warm climates or single low-flow uses; may need larger model in cold areas. Requires 240V electrical setup with 1x40A breaker and 8 AWG wire. Limited simultaneous fixtures based on inlet water temperature.

EcoSmart ECO 18 Tankless Electric Water Heater - 18kW 240V, Endless Hot Water, Self-Modulating Tech for Showers & Sinks

The EcoSmart ECO 18 is an 18kW 240V electric tankless water heater designed for climates with 62°F+ inlet water, delivering 2.5+ GPM for one shower and sink or two showers above 70°F. Its patented self-modulating technology provides endless on-demand hot water with up to 50% energy savings, ideal for apartments, condos, or small homes in warmer regions like South Texas or Florida.

  • Endless hot water on demand, never run out during showers or sinks
  • Saves up to 50% on water heating costs with 99.8% energy efficiency
  • Compact wall-mount design frees up 90% more space than traditional tanks
  • Self-modulating technology uses only needed energy for precise heating
  • Digital controls set temperature from 80-140°F in 1° increments

Highly efficient self-modulating tech reduces energy waste. Provides consistent hot water for multiple fixtures simultaneously. Easy digital temperature control and field-replaceable elements.

Requires 240V setup with two 40A breakers and 8 AWG wire. Best performance in warmer climates with 62°F+ inlet water. Sizing must be verified for specific hot water needs.

EcoSmart ECO 27 Tankless Electric Water Heater 27kW - Endless Hot Water for Cold Climates, 6.5 GPM Max Flow

The EcoSmart ECO 27 is a 27kW tankless electric water heater configured for cold climates down to 37°F, delivering 2.7-6.5 gallons per minute. It's ideal for larger homes in northern U.S. or Canada needing reliable whole-home hot water.

  • Endless on-demand hot water without running out, even during peak use
  • 99.8% energy efficiency with self-modulating technology that uses only needed power
  • Compact wall-mount design saves 90% space compared to tank heaters
  • Handles cold inlet water down to 37°F for reliable performance in northern climates
  • Digital controls set temperature in 1°F increments for precise comfort

High flow rate supports 2-3 simultaneous fixtures. Patented modulation reduces energy waste significantly. UL/CSA certified with lead-free compliance for safety.

Requires three 40A double-pole breakers and 8 AWG wiring. High 112A draw demands robust electrical service. Sizing must be verified to match household hot water needs.

EcoSmart ECO 24 Tankless Water Heater 24kW 240V - Endless Hot Water for Cold Climates, Self-Modulating Tech

The EcoSmart ECO 24 is a 24kW 240V tankless electric water heater that heats up to 3 GPM at 37°F inlet water temps. Its patented self-modulating technology delivers endless hot water efficiently, making it ideal for Northern US/Canada homes or those with large Jacuzzi tubs.

  • Endless on-demand hot water without running out, even during peak use
  • Saves energy with 99.8% efficient self-modulating technology that only heats what you need
  • Frees up space with compact wall-mounted design 90% smaller than tank heaters
  • Precise digital temperature control in 1°F increments for perfect comfort
  • Handles cold climates down to 37°F inlet, ideal for demanding whole-home needs

High flow rate supports large tubs and multiple fixtures. NSF/ANSI 372 certified lead-free compliance. Manufactured in the United States for quality assurance.

Requires 3 x 40A double-pole breakers and 8 AWG wiring, often needing electrical upgrades. Sizing must be verified for specific hot water demands and inlet temps. Higher amperage draw suits larger homes but not low-power setups.

EcoSmart ECO 11 13KW Tankless Electric Water Heater - Endless Hot Water, 240V Self-Modulating for Showers & Sinks

The EcoSmart ECO 11 is a 13KW tankless electric water heater that delivers endless hot water for one shower in colder climates or two in warmer ones at 1.3-3.1 GPM. Its patented self-modulating technology and digital controls make it ideal for bathrooms, small sinks, or point-of-use applications.

  • Endless on-demand hot water that never runs out for consistent showers and sinks
  • 99% thermal energy efficient, using power only when needed to cut utility bills
  • 90% smaller than tank heaters with sleek wall-mount design to free up space
  • Precise digital temperature control from 80-140°F in 1°F increments
  • Self-modulating technology adapts to flow for optimal performance and savings

Provides reliable hot water for 1-2 fixtures based on climate. Saves energy and space compared to traditional tank models. Advanced modulation ensures consistent temperature within 1°F.

Requires 240V 60A double-pole breaker and 6 AWG wiring. Best suited for point-of-use or warmer climates, not whole-house in cold areas. Professional electrician recommended for installation.

Upgrade your home's hot water system with EcoSmartWaterHeaters' innovative lineup of tankless electric water heaters. These compact units deliver endless on-demand hot water while slashing energy costs, making them ideal for homeowners seeking efficiency and reliability without the bulk of traditional tanks. From whole-home solutions to targeted point-of-use applications, this category features six standout models tailored to various household sizes and needs.

Why EcoSmartWaterHeaters Stand Out

EcoSmartWaterHeaters has built a strong reputation for pioneering energy-efficient tankless technology, particularly their patented self-modulating system that adjusts power output to match real-time demand. This not only conserves electricity but also ensures consistent temperatures. Unlike traditional tank heaters that constantly reheat stored water, these units heat water only when needed, potentially reducing energy use by up to 50%. Their sleek, wall-mounted designs save space, fitting seamlessly into modern homes.

Key Features to Consider When Shopping

When selecting from this category, focus on kilowatt (kW) rating, which determines hot water flow for your climate and usage. Higher kW models like the ECO 27 handle multiple fixtures simultaneously, while lower ones suit sinks or single showers. All models boast durable stainless steel construction, digital temperature controls for precision (typically 80-140°F), and easy DIY-friendly installation for electricians. Look for activation flow rates around 0.3-0.5 GPM to ensure they kick on reliably.

  • Self-Modulating Technology: Optimizes efficiency by varying power.
  • Compact Dimensions: Most are under 17x17x4 inches, perfect for tight spaces.
  • 240V Operation: Standard for residential setups (check ECO 8/11 for specifics).
  • Energy Star Potential: Many qualify due to low standby losses.

Common use cases include whole-home heating in smaller households (ECO 18/24), high-demand families (ECO 27), or supplemental heating under sinks (POU 6T, ECO 8). If you're remodeling, these integrate well within broader Plumbing projects.

Comparing EcoSmartWaterHeaters Models

Choosing the right model boils down to your hot water demands. The ECO 8 (8kW, 12x8x4 inches) is a mini powerhouse for point-of-use like a single lavatory, ideal for RVs or apartments. Step up to the ECO 11 (13kW at 240V, compact profile) for light whole-home use or sunny climates with ample groundwater preheat.

For medium homes, the ECO 18 (18kW, 17x14x3.5 inches) supports 1-2 showers plus faucets, balancing performance and cost. The ECO 24 (24kW, 17x17x3.5 inches) excels in colder regions or 2-3 bathroom setups, delivering steady flow. Top-tier, the ECO 27 (27kW, same footprint) powers larger homes with simultaneous high usage.

The POU 6T (6.5kW thermostatic, point-of-use) shines for under-sink handwashing or kitchen prep, with precise control. Compare footprints: smaller units like ECO 8 save more space, while larger ones offer scalability. All share self-modulating tech for efficiency, but match kW to your ground water temp and fixture count—use online calculators for precision.

If EcoSmartWaterHeaters doesn't fit, explore alternatives like Rheem Water Heaters for gas options or GEAppliances Water Heaters for hybrid models, all part of our Water Heaters collection.

Frequently Asked Questions

What warranty does EcoSmartWaterHeaters provide?

EcoSmartWaterHeaters typically offers a lifetime limited warranty on the heat exchanger and a multi-year warranty on parts, ensuring long-term peace of mind. Always check product specs for details.

How do I choose the right model for my home?

Assess your household size, climate, and peak usage. ECO 18/24 suit 1-2 baths; ECO 27 for 3+; smaller like ECO 8/POU 6T for single points. Factor incoming water temp—colder areas need higher kW.

EcoSmartWaterHeaters vs. competitors?

EcoSmartWaterHeaters excels in electric tankless efficiency with self-modulation, outperforming basic on/off units. Compared to brands like Rheem, they prioritize compactness and lower upfront costs for all-electric homes.

Are these easy to install?

Yes, most are plug-and-play for licensed electricians, requiring 240V breakers sized to kW. No venting needed, unlike gas models. Professional install recommended for safety.

Can they replace tank heaters entirely?

Absolutely, for most homes. Pair with Water Heaters & Parts for accessories, and they're a staple in Tools & Home Improvement upgrades.