Top 5 EcoSmart Tankless Water Heaters for Efficient Hot Water

Imagine a cold winter morning, and you turn on the shower expecting a warm embrace, only to be met with icy water. For many households, this scenario is all too common, particularly those relying on traditional water heaters. The solution? A tankless water heater, specifically the EcoSmart ECO 11, which promises continuous hot water and energy efficiency. With the right model, you can say goodbye to fluctuating temperatures and hello to consistent comfort.

Choosing the right tankless water heater involves understanding key features like energy efficiency, flow rate, and installation options. EcoSmart has made a name for itself with a range of products designed to meet various needs. Their heaters not only provide endless hot water but also save space and lower energy costs. But with various options available, how do you choose the best one for your home?

In this article, we review the top five EcoSmart tankless water heaters, including the EcoSmart ECO 8, ECOS 27, ECO 11, Smart 11, and ECOS 18. Each product is evaluated on its performance, unique features, and ideal use cases, helping you make an informed choice for your hot water needs.

Here’s a quick comparison of the key specifications for each model:

Features	EcoSmart ECO 8	EcoSmart ECOS 27	2PACK HE 55220	Ecosmart Smart 11	EcoSmart ECOS 18
Material & Build	Durable construction	Compact, wall-mounted	Replacement element	Electric spa heater	Compact, wall-mounted
Key Specification	8-kW power	27-kW power	5.5KW/6KW	11-kW power	18-kW power
Main Feature	Space-saving design	Endless hot water	Compatible with various models	Efficient on-demand heating	Endless hot water
Performance	Consistent flow rates	High flow rates	Improves heating	Reliable for spas	Good for low-flow areas
Best Use Case	Small homes	Medium to large homes	Replacement part	Spas	Small sinks, bathrooms

EcoSmart ECO 8 Tankless W…

The EcoSmart ECO 8 is a compact, electric tankless water heater designed for small homes or apartments. It’s a great choice for those who need a reliable source of hot water without taking up much space.

This model stands out for its lightweight design and easy installation process. The ECO 8 offers a power output of 8-kW, catering well to lower hot water demands, making it an ideal choice for small households or occasional use. With its durable construction, it promises longevity for users who need consistent performance without the bulk of traditional heaters.

However, the ECO 8 may not be suitable for larger families or homes with high hot water demands. Users should consider their daily hot water needs before opting for this model. It excels in efficiency but may struggle to meet demands during peak usage times.

• Power: 8-kW
• Dimensions: 12 x 8 x 4 inches
• Durable construction
• Ideal for small homes
• Lightweight design

Best for: Small households or apartments with lower hot water needs.

EcoSmart ECOS 27 Tankless…

The EcoSmart ECOS 27 is a powerful tankless electric water heater that caters to larger homes or those with higher hot water demands. It’s an excellent option for families needing consistent hot water for multiple fixtures simultaneously.

What makes the ECOS 27 exceptional is its self-modulating technology, which continuously monitors water temperature and flow rates. This ensures you always receive hot water precisely when you need it. With a capacity of 27-kW, it can deliver between 2.7 to 6.6 gallons-per-minute, depending on the inlet water temperature, making it highly versatile for various applications.

One limitation is its larger size compared to other models, which may be a consideration for those with limited installation space. Additionally, the higher power output may require upgraded electrical systems in some homes.

• Power: 27-kW
• Flow rate: 2.7-6.6 GPM
• Dimensions: 19 x 4.25 x 9.25 inches
• Self-modulating technology
• Ideal for larger homes

Best for: Larger households requiring high hot water output.

2PACK HE 55220 Water Heat…

The 2PACK HE 55220 is a replacement heating element designed for several EcoSmart models, including the ECO 8 and ECO 11. This product is ideal for users looking to maintain their existing tankless heater’s performance by replacing old or malfunctioning heating elements.

This replacement part stands out for its robust construction using high-quality copper, ensuring durability and efficiency. It effectively resolves issues such as slow heating and inconsistent temperatures, which can be a common problem in older models. Installation is straightforward, allowing homeowners to quickly restore their hot water supply.

While this product is excellent for maintenance, it does not directly provide hot water. Thus, it’s not a standalone solution for those needing a new heater. Buyers should assess their specific needs regarding hot water supply before purchasing.

• Compatible with multiple models
• High-quality copper material
• 5.5KW or 6KW options
• Easy installation
• Ideal for maintenance

Best for: Existing EcoSmart users needing a reliable heating element replacement.

Ecosmart Smart 11 Electri…

The Ecosmart Smart 11 is designed specifically for spa heating, but it also serves well for regular household use. This model combines efficiency with compactness, making it suitable for tight spaces.

This heater is notable for its digital thermostat control, allowing users to set precise temperatures for their hot water needs. With an activation flow of just 10 GPM, it efficiently heats water on demand without the need for a bulky tank. This model is perfect for on-demand heating, ensuring you have the right temperature at your fingertips.

On the downside, its primary function is spa heating, which may limit its appeal to those looking for a broader home heating solution. Additionally, it may not handle simultaneous demands from multiple fixtures as effectively as larger models.

• Power: 11-kW
• Dimensions: 12 x 10.5 x 4.75 inches
• Digital thermostat control
• Activation flow: 10 GPM
• Designed for spas

Best for: Spa owners or those seeking efficient on-demand heating.

EcoSmart ECOS 18 Tankless…

The EcoSmart ECOS 18 is a mid-range option that balances performance and efficiency. It’s well-suited for households needing hot water for multiple low-flow applications, such as bathrooms and kitchens.

This model features the same self-modulating technology found in other EcoSmart units, providing consistent hot water with energy savings. With an output of 18-kW, it delivers between 1.8 to 4.3 gallons-per-minute based on inlet temperatures. This versatility makes it a solid choice for various household needs.

However, while it performs well in many situations, it may not be adequate for larger families who demand higher flow rates simultaneously. Users should consider their specific usage patterns to determine if this model meets their needs.

• Power: 18-kW
• Flow rate: 1.8-4.3 GPM
• Dimensions: 19 x 4.25 x 9.25 inches
• Self-modulating technology
• Ideal for bathrooms, kitchens

Best for: Households needing efficient hot water for low-flow applications.

How We Chose These Products

In selecting the top EcoSmart tankless water heaters, we focused on performance, energy efficiency, and user-friendliness. Each model underwent thorough evaluation based on its specifications, real-world use cases, and customer feedback. We aimed to highlight products that cater to various household sizes and needs, ensuring there’s something for everyone.

Our methodology involved comparing features like flow rates, ease of installation, and unique technologies like self-modulation. This allows us to present a well-rounded view of each product’s capabilities and limitations, ensuring informed purchasing decisions.

Buying Guide: What Really Matters

When shopping for a tankless water heater, consider your household’s hot water needs, including the number of fixtures that will be used simultaneously. This will help determine the appropriate flow rate and power output required for your situation. Additionally, installation space is crucial; some models are more compact and can fit within smaller areas.

Energy efficiency is another key factor. Look for models with self-modulating technology, as this can save on energy bills by heating water only when needed. Lastly, evaluate warranty options and customer support, as these can provide peace of mind with your investment.

Our Top Recommendation

The EcoSmart ECOS 27 stands out as our top recommendation for its impressive power output and efficiency, making it suitable for larger households with higher hot water demands. For those on a budget or with smaller space requirements, the EcoSmart ECO 8 offers excellent value without sacrificing performance. Both models provide reliable hot water solutions tailored to different needs.

Frequently Asked Questions

1. How does a tankless water heater work?
A tankless water heater heats water on demand, eliminating the need for a storage tank. When you turn on the hot water tap, cold water travels through the unit, where it’s heated by electric coils or gas burners.

2. What are the installation requirements for EcoSmart models?
Installation requirements vary by model but generally include adequate electrical capacity, proper venting (for gas models), and access to plumbing connections. Always consult a professional for installation.

3. Can I use a tankless water heater for my whole house?
Yes, many EcoSmart models are designed to supply hot water for an entire household. Ensure the selected model meets your peak flow rate and temperature needs.

4. How do I maintain my tankless water heater?
Regular maintenance includes descaling the unit to prevent mineral buildup and checking the heating elements for wear. Following manufacturer guidelines will extend the unit’s lifespan.