EcoSmart ECO 18: Ultimate Tankless Heater – Impressive

The EcoSmart ECO 18 electric tankless water heater represents a significant leap forward in home water heating technology, offering an efficient and compact solution for on-demand hot water. This innovative appliance is designed to eliminate the need for a bulky storage tank, providing hot water only when you need it, thereby reducing energy waste.

It’s an ideal choice for households looking to upgrade their traditional water heater, reclaim valuable space, and enjoy continuous hot water without the worry of running out. Our comprehensive review dives deep into its features, performance, and overall value, helping you decide if this impressive unit is right for your home.

EcoSmart ECO 18 Overview

The EcoSmart ECO 18 is an electric tankless water heater designed to provide an efficient and continuous supply of hot water for homes with moderate hot water demands. Unlike traditional tank-based heaters that store and constantly heat a large volume of water, this unit heats water instantly as it flows through, significantly reducing standby energy losses.

This model is particularly well-suited for smaller homes, apartments, or as a point-of-use heater for a specific area, depending on the climate and incoming water temperature. Its compact dimensions (approximately 17 x 14 x 3.5 inches) allow for installation in tight spaces, offering flexibility that tank heaters simply cannot match.

The core of the EcoSmart ECO 18‘s efficiency lies in its patented self-modulating technology. This intelligent system adjusts the power consumption based on the demand for hot water, ensuring that only the necessary amount of energy is used. This not only saves money on utility bills but also contributes to a more environmentally friendly household.

Installation, while requiring professional electrical work, is straightforward for qualified technicians. The unit connects directly to your cold water line and provides hot water on demand, making it a modern solution for those seeking to optimize their home’s energy consumption. Understanding your home’s electrical capacity and hot water needs is crucial before committing to this model.

For many homeowners, the shift to a tankless system like the EcoSmart ECO 18 is driven by a desire for both efficiency and convenience. The promise of endless hot showers and baths, coupled with lower energy bills, makes it an attractive proposition. It’s a testament to how modern technology can enhance everyday living while also being mindful of resource consumption.

The unit features a digital temperature control, allowing users to set the output water temperature with precision, typically in 1-degree increments. This level of control ensures maximum comfort and helps prevent scalding, adding another layer of safety and user-friendliness to its design. Its robust construction is also a key highlight, ensuring durability.

When considering the EcoSmart ECO 18, it’s essential to evaluate your household’s peak hot water usage. While it provides continuous hot water, its flow rate capacity is a critical factor. For instance, in warmer climates, it can handle multiple simultaneous uses, but in colder regions, its capacity might be limited to one or two fixtures at a time.

This tankless heater is designed for longevity and comes with a limited lifetime warranty on the heating elements, reflecting the manufacturer’s confidence in its product. This warranty provides peace of mind, knowing that your investment is protected for years to come. Such backing is a significant advantage for any major home appliance.

The EcoSmart ECO 18 is not just a water heater; it’s an energy management system that integrates seamlessly into a smart home approach. Its ability to provide hot water only when needed, combined with its compact size and precise temperature control, makes it a superior alternative to traditional tank heaters for the right application.

Its sleek, white design is unobtrusive, allowing it to blend into most utility spaces without being an eyesore. This aesthetic consideration, combined with its functional benefits, contributes to its overall appeal. Many users appreciate the clean look it brings compared to a bulky, traditional water tank.

EcoSmart ECO 18 Key Features & Specs

The EcoSmart ECO 18 boasts a range of features and specifications that set it apart in the electric tankless water heater market. Understanding these details is crucial for determining if this unit meets your specific hot water requirements and installation capabilities. Its innovative design focuses on efficiency, convenience, and durability.

Patented Self Modulating Technology

One of the standout features of the EcoSmart ECO 18 is its patented self-modulating technology. This advanced system continuously monitors the incoming water temperature and the hot water demand, adjusting the energy input to precisely match the output needed. This intelligent control prevents energy waste by only heating water when necessary and to the exact temperature requested.

This technology ensures consistent hot water delivery even when demand fluctuates, providing a stable temperature regardless of flow rate changes. It’s a key component in achieving the significant energy savings that tankless water heaters are known for, making it a smart investment for long-term utility cost reduction.

Compact and Space-Saving Design

Measuring approximately 17 inches tall, 14 inches wide, and 3.5 inches deep, the EcoSmart ECO 18 is remarkably compact. This small footprint allows for flexible installation in various locations, including utility closets, under sinks, or even mounted on a wall. It frees up valuable floor space that a traditional tank heater would occupy.

The sleek, white aesthetic also contributes to its discreet presence, allowing it to blend seamlessly into most home environments without becoming an eyesore. This design consideration is a significant benefit for homeowners looking to maximize their living or storage areas.

Digital Temperature Control

The unit features a clear digital display that allows users to set the desired output water temperature between 80°F and 140°F (27°C and 60°C) with 1-degree increment accuracy. This precise control enhances user comfort and safety, preventing water from being too hot or too cold.

The ability to fine-tune the temperature is particularly useful for households with varying needs, from dishwashing to showering or even specific applications like radiant floor heating. This level of customization ensures optimal performance for different uses throughout the home.

Flow Rate and Performance

The EcoSmart ECO 18 is rated at 18 kW at 240 volts. Its performance, specifically its gallons per minute (GPM) output, is highly dependent on the incoming water temperature. For instance, in warmer climates (e.g., Florida with 70°F incoming water), it can deliver up to 4.3 GPM, sufficient for 2-3 showers simultaneously.

However, in colder northern climates (e.g., Minnesota with 37°F incoming water), the flow rate drops significantly to about 2.1 GPM, which might only be enough for one shower or a small combination of fixtures. It’s crucial to consult the temperature rise chart provided by EcoSmart to ensure it meets your specific needs based on your geographic location.

Electrical Requirements

This is a critical specification for the EcoSmart ECO 18. The unit requires 240 volts and draws 75 amps (two 40-amp double-pole breakers, or one 80-amp double-pole breaker if allowed by local codes, but typically two 40-amp breakers and 8-gauge wire). This means a dedicated electrical circuit is necessary, and many homes may require an electrical panel upgrade.

Professional installation by a licensed electrician is highly recommended to ensure safe and proper wiring, compliance with local codes, and optimal performance. Neglecting these requirements can lead to electrical hazards or system malfunction.

Energy Efficiency and Savings

By heating water only on demand, the EcoSmart ECO 18 eliminates the standby heat loss associated with traditional tank heaters. This can lead to significant energy savings, often quoted as up to 50% on water heating costs. The unit is also 99.8% energy efficient, meaning almost all the electricity consumed is converted into heat for your water.

These energy savings translate into lower utility bills and a reduced carbon footprint, making it an environmentally conscious choice. The long-term financial benefits can offset the initial investment and installation costs over the lifespan of the unit.

Durable Construction and Warranty

The EcoSmart ECO 18 is built with durable components, including copper and stainless steel elements, designed for longevity and resistance to corrosion. EcoSmart offers a limited lifetime warranty on the heating elements, which underscores the product’s quality and the manufacturer’s confidence in its design.

This warranty provides an extra layer of assurance for consumers, protecting their investment against manufacturing defects for the lifetime of the original purchaser. Such a robust warranty is a significant benefit when considering a long-term appliance like a water heater.

Pros & Cons

Every product has its strengths and weaknesses, and the EcoSmart ECO 18 electric tankless water heater is no exception. A balanced understanding of its advantages and disadvantages is essential for making an informed purchase decision. Here, we delve into the key pros and cons of this impressive unit.

Pros of the EcoSmart ECO 18

Significant Energy Savings

One of the most compelling advantages of the EcoSmart ECO 18 is its ability to drastically reduce energy consumption compared to traditional tank water heaters. By heating water only on demand, it eliminates the constant energy drain associated with keeping a large tank of water hot 24/7. This can lead to substantial savings on your monthly utility bills, often up to 50% on water heating costs.

The patented self-modulating technology further enhances this efficiency, precisely matching energy use to hot water demand. This smart energy management not only benefits your wallet but also reduces your household’s carbon footprint, making it an environmentally responsible choice.

Endless Hot Water Supply

Say goodbye to cold showers! The EcoSmart ECO 18 provides a continuous, on-demand supply of hot water. As long as water is flowing through the unit and its capacity isn’t exceeded, you’ll never run out of hot water. This is a huge relief for larger families or households that frequently use multiple hot water fixtures simultaneously, though flow rates must be considered.

This feature is particularly appreciated during peak demand times, such as mornings when multiple family members are showering or when running a dishwasher and taking a bath concurrently. The convenience of unlimited hot water significantly enhances daily comfort and utility.

Compact, Space-Saving Design

The compact size of the EcoSmart ECO 18 is a major benefit, especially for homes where space is at a premium. Unlike bulky traditional water tanks that can take up significant floor space in utility closets or basements, this tankless unit can be mounted on a wall or tucked away in a small cabinet. Its dimensions (17″ x 14″ x 3.5″) are remarkably small.

This frees up valuable square footage that can be utilized for storage, an additional appliance, or simply to make your utility area feel less cluttered. The sleek, modern design also ensures it doesn’t detract from the aesthetics of its surroundings.

Precise Digital Temperature Control

With its digital temperature control, the EcoSmart ECO 18 allows you to set your desired water temperature with impressive accuracy, in 1-degree increments. This level of control ranges from 80°F to 140°F, providing flexibility for various uses and personal preferences.

This precision not only enhances comfort but also improves safety by preventing accidental scalding, especially important in homes with children or elderly residents. The clear digital display makes adjustments simple and intuitive, contributing to a user-friendly experience.

Durability and Lifetime Warranty

EcoSmart backs the quality of the EcoSmart ECO 18 with a limited lifetime warranty on its heating elements, a strong indicator of its robust construction. Built with copper and stainless steel components, the unit is designed for long-term reliability and resistance to corrosion, which is a common issue in water heating systems.

This warranty provides significant peace of mind, assuring consumers that their investment is protected against manufacturing defects for the life of the product. It reduces the long-term cost of ownership and speaks to the manufacturer’s confidence in their engineering.

Cons of the EcoSmart ECO 18

Significant Electrical Service Requirements

The most notable drawback of the EcoSmart ECO 18 is its substantial electrical demand. Operating at 18 kW and 240 volts, it typically requires two dedicated 40-amp double-pole breakers and 8-gauge wiring. Many older homes, and even some newer ones, may not have the necessary electrical capacity or a sufficiently sized service panel to accommodate these requirements.

This often translates into additional installation costs, as an electrician may need to upgrade your home’s electrical panel or run new, heavy-gauge wiring. This can significantly increase the overall cost of switching to a tankless system and should be factored into your budget upfront.

Limited Flow Rate in Cold Climates

While the EcoSmart ECO 18 offers endless hot water, its actual flow rate (gallons per minute) is heavily influenced by the incoming water temperature. In regions with very cold groundwater (e.g., 37°F-45°F), the unit’s capacity to heat water to a comfortable temperature (e.g., 105°F) means it can only deliver a lower GPM.

This limitation can mean that in colder areas, the unit might only be able to support one shower at a time, or perhaps a shower and a sink, but not simultaneously. This can be a significant constraint for larger households or those accustomed to multiple hot water uses at once. Careful calculation based on your climate is essential.

Higher Upfront Cost

The initial purchase price of the EcoSmart ECO 18 itself is often higher than that of a comparable tank-style water heater. When you factor in the potential need for electrical upgrades and professional installation, the total upfront cost can be significantly more. This higher initial investment can be a barrier for some homeowners, despite the long-term energy savings.

While the long-term energy savings typically offset this cost over several years, the initial financial outlay can be a consideration. It’s important to view this as an investment in energy efficiency and continuous hot water rather than just a replacement cost.

Water Pressure Sensitivity

Tankless water heaters, including the EcoSmart ECO 18, can sometimes be sensitive to fluctuations in water pressure. Significant drops in incoming water pressure can affect the unit’s ability to maintain a consistent hot water flow and temperature. While not a common issue, it’s something to be aware of if your home experiences frequent pressure changes.

Consistent water pressure is key to optimal performance, ensuring the unit can maintain its GPM output and desired temperature. If your home has known pressure issues, this could be a point of concern.

Who Should Buy the EcoSmart ECO 18?

Deciding if the EcoSmart ECO 18 is the right water heating solution for your home involves evaluating your specific needs, budget, and home infrastructure. This impressive tankless unit is not a one-size-fits-all solution, but it excels in certain scenarios. Understanding its ideal user profile can help you determine if you’re a good candidate for this technology.

Homeowners Seeking Energy Efficiency and Lower Bills

If your primary motivation is to reduce your energy consumption and significantly lower your monthly utility bills, the EcoSmart ECO 18 is an excellent choice. Its on-demand heating and self-modulating technology are designed to minimize energy waste. This makes it particularly appealing to environmentally conscious individuals or those looking to cut long-term operating costs.

The 99.8% energy efficiency rating means almost all the electricity used is converted directly into heating water, with virtually no standby losses. Over time, these savings can be substantial, making the initial investment worthwhile for budget-minded consumers.

Households with Moderate Hot Water Demand in Warmer Climates

The EcoSmart ECO 18 shines in homes located in warmer climates where incoming groundwater temperatures are higher (typically above 60°F). In these regions, the unit can comfortably provide enough hot water for 2-3 simultaneous uses, such as two showers and a sink, or a dishwasher and a shower.

It’s ideal for medium-sized homes or apartments where the peak hot water demand is manageable within its flow rate capabilities. This ensures that everyone in the household can enjoy continuous hot water without compromise, even during busy mornings or evenings.

Individuals Looking to Reclaim Space

For those living in smaller homes, condos, or apartments where every square foot counts, the compact design of the EcoSmart ECO 18 is a major advantage. Its wall-mounted, tankless design frees up significant floor space previously occupied by a bulky traditional water heater. This reclaimed space can be used for storage, a small laundry area, or simply to create a more open utility closet.

The discreet appearance of the unit also means it won’t be an eyesore, blending seamlessly into its surroundings. This is a practical benefit for anyone looking to optimize their living environment and reduce clutter.

New Construction or Major Renovation Projects

The EcoSmart ECO 18 is an excellent consideration for new home construction or during a major home renovation. In these scenarios, it’s often easier and more cost-effective to plan for the necessary electrical upgrades (dedicated circuits, heavier gauge wiring) during the initial build or renovation phase. This avoids the additional expense and disruption of retrofitting an existing electrical system.

Integrating a tankless water heater from the ground up allows for optimal placement and ensures the home’s infrastructure is perfectly suited to support its efficient operation. It’s a forward-thinking choice for modern, energy-efficient homes.

Homeowners with Adequate Electrical Service

Crucially, potential buyers must ensure their home has an electrical service panel with sufficient capacity to support the EcoSmart ECO 18‘s demands (typically two 40-amp double-pole breakers). If your home already has the necessary electrical infrastructure, the installation process will be smoother and less costly.

If an upgrade is required, it’s important to budget for this additional expense and consult with a licensed electrician beforehand. Homes with older electrical systems or smaller service panels may find the electrical requirements to be a significant hurdle.

In summary, the EcoSmart ECO 18 is best suited for homeowners who prioritize energy savings, enjoy endless hot water, value space-saving designs, and either live in warmer climates or have the necessary electrical infrastructure. It’s a modern solution for modern living, offering a blend of efficiency and convenience that many will find impressive.

For more information on tankless water heater technology and its benefits, you can visit the Energy.gov website for detailed guides and comparisons.

FAQ about EcoSmart ECO 18

Q1: What is the maximum number of showers the EcoSmart ECO 18 can handle simultaneously?

A1: The number of simultaneous showers the EcoSmart ECO 18 can handle largely depends on your incoming water temperature and the desired output temperature. In warmer climates (e.g., incoming water at 70°F), it can typically support 2-3 showers at once, delivering about 4.3 gallons per minute (GPM) at a 105°F temperature rise. However, in colder climates (e.g., incoming water at 37°F), its capacity drops to about 2.1 GPM, which might only be sufficient for one shower at a time.

It’s crucial to check the temperature rise chart provided by EcoSmart to match your specific climate and hot water needs. Each shower head typically uses 1.5-2.5 GPM, so planning accordingly is key to avoid disappointment. Consider your household’s peak demand.

Q2: Does the EcoSmart ECO 18 require special electrical wiring?

A2: Yes, the EcoSmart ECO 18 requires significant electrical infrastructure. It operates at 18 kilowatts (kW) and 240 volts, drawing 75 amps. This typically necessitates two dedicated 40-amp double-pole circuit breakers and 8-gauge wiring. Many older homes, and even some newer ones, may not have the existing electrical capacity or a large enough service panel to accommodate these requirements without an upgrade.

Professional installation by a licensed electrician is highly recommended to ensure proper and safe wiring, compliance with local electrical codes, and optimal performance of the unit. This electrical upgrade is often the most significant part of the installation cost.

Q3: How much money can I save on my energy bill with the EcoSmart ECO 18?

A3: The EcoSmart ECO 18 can lead to significant energy savings, often up to 50% on your water heating costs. This is because tankless water heaters only heat water on demand, eliminating the standby heat loss associated with traditional tank heaters that continuously keep a large volume of water hot. The unit’s 99.8% energy efficiency means almost all the electricity used is converted directly into heating water.

Actual savings will vary based on your household’s hot water usage habits, local electricity rates, and the efficiency of your previous water heater. Over the lifespan of the unit, these savings can offset the initial purchase and installation costs, providing long-term financial benefits.

Q4: What is the lifespan and warranty of the EcoSmart ECO 18?

A4: The EcoSmart ECO 18 is built with durable materials, including copper and stainless steel components, designed for a long operational life. EcoSmart offers a limited lifetime warranty on the heating elements, which is a strong testament to the product’s quality and reliability. Other components typically have a shorter warranty period, often 5 years.

With proper installation and maintenance, a tankless water heater like the EcoSmart ECO 18 can last significantly longer than a traditional tank heater, often 15-20 years or more. Regular flushing to prevent mineral buildup is recommended to maximize its lifespan and maintain efficiency.

Q5: Can I install the EcoSmart ECO 18 myself?

A5: While some DIY enthusiasts might consider installing smaller, point-of-use tankless heaters, the installation of the EcoSmart ECO 18 is generally not recommended for DIY. The substantial electrical requirements (dedicated circuits, specific wire gauge) demand expertise to ensure safety and compliance with local building and electrical codes. Incorrect installation can lead to electrical hazards, unit malfunction, or voiding the warranty.

For these reasons, it is strongly advised to have a licensed and experienced electrician or plumber perform the installation. They can ensure the electrical service is adequate, connections are secure, and the unit operates safely and efficiently. This professional touch guarantees peace of mind and avoids potential costly mistakes.

Q6: Does the EcoSmart ECO 18 work well as a whole-house water heater?

A6: The EcoSmart ECO 18 can function as a whole-house water heater for many homes, especially those in warmer climates or with moderate hot water demands. Its ability to provide continuous hot water is a significant advantage. However, its effectiveness as a whole-house solution is directly tied to the incoming water temperature and your household’s peak GPM requirements.

For larger homes, homes in very cold climates, or those with very high simultaneous hot water demands, a larger tankless unit (e.g., EcoSmart ECO 24 or ECO 27) might be more appropriate. Always calculate your specific hot water needs based on your climate and fixture usage to ensure the ECO 18 is sufficient.

Q7: What maintenance does the EcoSmart ECO 18 require?

A7: Like all tankless water heaters, the EcoSmart ECO 18 benefits from periodic maintenance to ensure optimal performance and longevity. The primary maintenance task is flushing the unit annually to remove mineral buildup (scale) that can accumulate in the heating elements, especially in areas with hard water. This process typically involves shutting off the power and water, connecting a descaling pump, and circulating a vinegar or descaling solution through the unit.

Regular maintenance prevents efficiency loss, extends the lifespan of the heater, and maintains consistent hot water delivery. If you’re uncomfortable performing this task yourself, a professional plumber can be hired to do it. For more details on maintenance, refer to the EcoSmart official website.

Final Verdict

The EcoSmart ECO 18 electric tankless water heater stands out as an impressive and highly efficient solution for modern homes seeking to upgrade their water heating system. Its ability to provide endless hot water on demand, combined with significant energy savings, makes it a compelling choice for many homeowners. The compact, space-saving design is a distinct advantage, freeing up valuable utility space that traditional tank heaters monopolize.

The patented self-modulating technology ensures that energy consumption is precisely matched to demand, leading to lower utility bills and a reduced environmental footprint. Its digital temperature control offers precise customization, enhancing comfort and safety for all users. Furthermore, the limited lifetime warranty on heating elements provides robust assurance of its durability and quality, making it a reliable long-term investment.

However, potential buyers must carefully consider the substantial electrical requirements of the EcoSmart ECO 18. Many homes will necessitate an electrical panel upgrade and dedicated high-amperage circuits, adding to the initial installation cost. Its performance, particularly the maximum flow rate, is also highly dependent on the incoming water temperature, meaning it may be less suitable for homes in very cold climates with high simultaneous hot water demands.

In warmer regions or for households with moderate hot water needs and adequate electrical infrastructure, the EcoSmart ECO 18 is an outstanding choice. It represents a smart, energy-efficient investment that delivers superior convenience and comfort. For those ready to embrace modern water heating technology, this unit offers an impressive blend of performance, efficiency, and design.

Ultimately, if you are looking to reduce energy costs, enjoy continuous hot water, and reclaim space, and your home can accommodate its electrical needs, the EcoSmart ECO 18 is a powerful and efficient option that is definitely worth considering. It’s a testament to how intelligent design can transform a household utility into a source of comfort and savings.