TLDR Review: EcoSmart ECO 11 Water Heater
Verdict
The EcoSmart ECO 11 is a solid choice for small households or individual use, especially if space and energy savings matter. It offers reliable, on-demand hot water with an easy-to-spot size, making it a convenient upgrade from traditional tank heaters. However, it’s best to be prepared for professional installation and to ensure your electrical system can support its requirements. If you need a solution for larger households or multiple bathrooms, you might want to explore higher-capacity models or those with a greater flow rate.
- Top pro:
- Small size and lightweight design make it easy to install in tight spaces.
- Top con:
- Installation typically requires a professional electrician and plumber, increasing upfront costs.
Pros
- •Small size and lightweight design make it easy to install in tight spaces.
- •Energy-efficient due to patented self-modulating technology, reducing electricity bills.
- •Capable of providing hot water for one shower in cold climates or two in warmer regions.
- •Well-suited for small households, supporting multiple fixtures with better pressure.
- •Consistently heats water quickly and maintains temperature with manual adjustments.
- •Provides continuous hot water without the risk of running out like traditional tanks.
- •Backed by a limited lifetime warranty, offering reassurance for residential use.
- •Simple electrical requirements allow for straightforward installation if you’re familiar with wiring.
- •Looks sleek and unobtrusive, fitting into various locations easily.
- •Good value for the price compared to larger or traditional water heating options.
Cons
- •Installation typically requires a professional electrician and plumber, increasing upfront costs.
- •Demands a dedicated 60-amp double-pole breaker and #6 AWG wiring; not suitable for standard wiring setups.
- •Can produce a humming noise and electrical interference, especially affecting nearby induction appliances.
- •Limited flow rate at higher temperature rises; may struggle with simultaneous multiple hot water demands.
- •Some users reported temperature fluctuations during usage, especially with fluctuating water pressure.
- •Might not be suitable for larger households or multiple bathrooms due to flow limitations.
- •Requires careful attention to proper connection installation; leaks can occur if washers and fittings are overlooked.
- •Installation cost can be significant, averaging around $500-$700.
- •Water temperature can drop if other fixtures are used simultaneously, requiring manual adjustments.
- •May experience issues with scale buildup over time, though installing a filter can help mitigate this.
We may earn a commission when you buy through these links, at no extra cost to you. How ShopSavvy makes money
How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 2 retailers in ShopSavvy's price data, most recently seen Aug 18, 2026.
📚More About EcoSmart ECO 11 Water Heater
Where to Buy
Download ShopSavvy App
Compare prices across tens of thousands of stores, set price alerts, watch for deals by keyword, and much more.
Install ShopSavvy Browser Extension
Compare and track prices automatically while you shop online at thousands of websites.
More Answers
If you're still curious about the EcoSmart ECO 11 Water Heater, here are some other answers you might find interesting:
- 💧 How energy efficient is the EcoSmart ECO 11 tankless water heater?
The EcoSmart ECO 11 Electric Tankless Water Heater is pretty energy-efficient, especially if you're using it for smaller tasks or in a warmer climate. Our...
- ⚡ What electrical requirements are needed to install the EcoSmart ECO 11?
If you're thinking about setting up the EcoSmart ECO 11 Electric Tankless Water Heater, getting the electrical setup right is super important. This model uses...
- 💧 How much hot water can the EcoSmart ECO 11 provide?
The EcoSmart ECO 11 Electric Tankless Water Heater can supply a varying amount of hot water, mainly depending on the temperature of the incoming water. The...
