BO
“The ECO 27 delivers excellent performance at a fraction of gas tankless pricing — the self-modulating technology genuinely reduces electricity waste by matching output to demand.”
Is the EcoSmart ECO 27 Electric Tankless Water Heater worth it?
The EcoSmart ECO 27 Electric Tankless Water Heater ($449-$549) is worth considering with a 8/10 consensus score across 6 expert reviews. Experts highlight self-modulating technology adjusts power to match demand — saves energy and compact 17 x 17 x 3.5 inch wall-mount design. Bob Vila says: "The ECO 27 delivers excellent performance at a fraction of gas tankless pricing ..." Best for: All-electric homes, Budget-conscious buyers, Warm to moderate climates.
Good Value6 Expert Reviews
Price Range
Check Price on Amazon →$449-$549
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EcoSmart ECO 27 Electric Tankless Water Heater
NM
Nicholas Miles · Editor-in-Chief & Methodology Owner
Energy
SHE ScoreAverage
SmartHomeExplorer proprietary rating
5.2/10
6 expert sources
Compatibility Breadth0/10
Setup Ease5.5/10
Reliability5.6/10
Value Rating8/10
Future-Proofing7/10
The EcoSmart ECO 27 Electric Tankless Water Heater earns a SHE Score of 5.2/10, driven by strong value (8/10) with room to improve in compatibility breadth (0/10). Based on 6 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8/10 across 6 sources
Updated:“The ECO 27 delivers excellent performance at a fraction of gas tankless pricing — the self-modulating technology genuinely reduces electricity waste by matching output to demand.”
Key Features
- ✓ Self-modulating
- ✓ 27kW electric
- ✓ Digital temp control
- ✓ Compact design
- ✓ Lifetime element warranty
Best For
All-electric homesBudget-conscious buyersWarm to moderate climates
What Experts Agree On
What Experts Love
- ✓ Self-modulating technology adjusts power to match demand — saves energy
- ✓ Compact 17 x 17 x 3.5 inch wall-mount design
- ✓ Digital temperature control in 1-degree increments
- ✓ No gas line required — electric installation only
- ✓ 0.99 energy factor — near-perfect electric efficiency
- ✓ Lifetime warranty on heating elements
Common Criticisms
- ✗ No built-in Wi-Fi — requires add-on smart controller for app features
- ✗ 27kW requires 200-amp electrical panel with 3x 40A breakers
- ✗ 2.7-6.5 GPM range depends heavily on inlet water temperature
- ✗ Performance drops in cold climates with low groundwater temperature
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What The Experts Say
PC
“For all-electric homes that want endless hot water without gas infrastructure, the ECO 27 is the best value in the electric tankless category — reliable, compact, and efficient.”
Ready to buy the EcoSmart ECO 27 Electric Tankless Water Heater?
Check Price on Amazon$449-$549 · 6 expert sources · 8/10 consensus
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See how the EcoSmart ECO 27 Electric Tankless Water Heater ranks against the full field in our Energy buying guides.
Frequently Asked Questions
Is the EcoSmart ECO 27 Electric Tankless Water Heater worth it?
The EcoSmart ECO 27 Electric Tankless Water Heater earns a 8/10 consensus score across 6 expert sources and is rated "Good Value". At $449-$549, it is best for All-electric homes. Bob Vila notes: "The ECO 27 delivers excellent performance at a fraction of gas tankless pricing — the self-modulating technology genuinely reduces..."
How much does the EcoSmart ECO 27 Electric Tankless Water Heater cost?
The EcoSmart ECO 27 Electric Tankless Water Heater is priced at $449-$549. With a 8/10 score from 6 expert reviews and a "Good Value" rating, that price represents fair value relative to the ~7.5/10 average for Energy products. Prices shift often, so check the live figure before buying.
Who is the EcoSmart ECO 27 Electric Tankless Water Heater best for?
The EcoSmart ECO 27 Electric Tankless Water Heater is best for All-electric homes, Budget-conscious buyers, Warm to moderate climates. Experts rate it "Good Value" with a 8/10 consensus across 6 sources.
How does the EcoSmart ECO 27 Electric Tankless Water Heater compare to other Energy options?
Among the Energy products we have aggregated, the EcoSmart ECO 27 Electric Tankless Water Heater ranks above average with a 8/10 score. PCMag adds: "For all-electric homes that want endless hot water without gas infrastructure, the ECO 27 is the best value in the electric tankle..."
What smart home systems does the EcoSmart ECO 27 Electric Tankless Water Heater work with?
The EcoSmart ECO 27 Electric Tankless Water Heater works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
What are the best alternatives to the EcoSmart ECO 27 Electric Tankless Water Heater?
If the EcoSmart ECO 27 Electric Tankless Water Heater ($449-$549, 8/10) is not the right fit, the closest alternatives in Energy are Rheem RTEX-27, Stiebel Eltron Tempra Plus, Eemax HA027240. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the EcoSmart ECO 27 Electric Tankless Water Heater?
The main strengths of the EcoSmart ECO 27 Electric Tankless Water Heater are self-modulating technology adjusts power to match demand — saves energy and compact 17 x 17 x 3.5 inch wall-mount design. The most-cited downside is no built-in wi-fi — requires add-on smart controller for app features. Overall, 6 expert sources rate it "Good Value" with a 8/10 consensus score.
Sources & Methodology
This review aggregates 6 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Expert review sources cited on this page:
- Bob Vila
- PCMag
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 6 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.