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6.5
EcoSmart
EcoSmart SMART POOL 18 Heater
The EcoSmart SMART POOL 18 Electric Tankless Pool Heater is an efficient and capable pool heater that’s ideal for those with pools up to 10,000 gallons. Proper installation and monitoring of pool chemistry are crucial for optimal performance. Though installation may require an electrician, the self-modulating technology and lifetime limited warranty make it a reliable and energy-efficient choice for pool owners.
Model: Smart POOL 18Color: WhiteUPC: 854920002312
Lowest at Amazon
$639.78 at AmazonLowest at any Popular Retailer
$639.78 at AmazonWhere to Buy
Prices last updated: April 19th 2026 5:52 am
Product Score
Based on professional reviews and customer feedback
6.5/10
Overall
6.5
Consumer
Why this score?
The EcoSmart SMART POOL 18 Electric Tankless Pool Heater receives a moderate score largely due to its effective heating capabilities and compact design, which many users appreciate when functioning properly. However, significant concerns regarding reliability, customer support, and the longevity of heating elements have been widely noted, leading to frequent repair needs and potentially high electric bills. While it offers value for its price compared to gas heaters, the overall experience seems varied among users, reflecting a mix of satisfaction and frustration.
8+ Excellent6-8 Good4-6 Average<4 Poor
Score
The EcoSmart SMART POOL 18 Electric Tankless Pool Heater receives a moderate score largely due to its effective heating capabilities and compact design, which many users appreciate when functioning properly. However, significant concerns regarding reliability, customer support, and the longevity of heating elements have been widely noted, leading to frequent repair needs and potentially high electric bills. While it offers value for its price compared to gas heaters, the overall experience seems varied among users, reflecting a mix of satisfaction and frustration.
6.5/10
Overall
Pros
- •Efficient heating, capable of raising pool temperature by up to 25 degrees in 48 hours for a 20,00allon pool.
- •Selodulating technology helps maintain energy efficiency.
- •Compatible with pools up to 10,000 gallons.
- •Lifetime limited warranty provides lonerm assurance.
- •Performance can be influenced by proper pool chemistry and flow rate, making it customizable.
- •Includes three 9kW heating elements to ensure sufficient power for various pool sizes.
- •Installation can be done with multiple circuit breakers for better control.
Cons
- •Requires proper electrical setup to avoid flickering lights and maintain efficiency.
- •Installation can be complex, needing multiple circuit breakers.
- •Performance may be affected by pool chemistry and flow rate, requiring careful monitoring.
- •Exposure to humidity may cause rust.
Bottom Line
The EcoSmart SMART POOL 18 Electric Tankless Pool Heater is an efficient and capable pool heater that’s ideal for those with pools up to 10,000 gallons. Proper installation and monitoring of pool chemistry are crucial for optimal performance. Though installation may require an electrician, the self-modulating technology and lifetime limited warranty make it a reliable and energy-efficient choice for pool owners.
What Reviewers Are Saying
Praised
good heating performance14%
Criticized
light flickering5%
horrible tech support5%
internal components rust quickly5%
does not last10%
quality of product issues5%
requires a licensed electrician for installation10%
high electricity bills14%
poor customer support19%
Customer Ratings
3.2248 reviews
5
41%
4
11%
3
9%
2
9%
1
30%
Based on 248 reviews from Amazon
Professional Reviews
Common Questions
Trying to figure out how the EcoSmart SMART POOL 18 Tankless Pool Heater will affect your electricity bill? Good call. Here's what we found: this heater has some neat features like self-modulating te...
Read full answer📚More About EcoSmart SMART POOL 18 Heater
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TLDR Review: EcoSmart SMART POOL 18 Heater
The EcoSmart SMART POOL 18 Electric Tankless Pool Heater receives a moderate score largely due to its effective heating capabilities and compact design, which many users appreciate when functioning properly. However, significant concerns regarding reliability, customer support, and the longevity of heating elements have been widely noted, leading to frequent repair needs and potentially high electric bills. While it offers value for its price compared to gas heaters, the overall experience seems varied among users, reflecting a mix of satisfaction and frustration.
TLDR Review·1 years ago
6.5
Overall
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Q&A·2 years ago
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Discussion
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