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.”
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$449-$549
Check Price on Amazon →Affiliate link — we earn a commission at no extra cost to you
EcoSmart ECO 27 Electric Tankless Water Heater
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
Last verified:“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
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
Frequently Asked Questions
Is the EcoSmart ECO 27 Electric Tankless Water Heater worth it?
EcoSmart ECO 27 Electric Tankless Water Heater earns a 8/10 consensus score across our 12 expert sources. It is rated "Good Value" — All-electric homes. At $449-$549, The ECO 27 delivers excellent performance at a fraction of gas tankless pricing — the self-modulating technology genuine...
Who is the EcoSmart ECO 27 Electric Tankless Water Heater best for?
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" overall.
How does the EcoSmart ECO 27 Electric Tankless Water Heater compare to other Energy options?
Among the Energy products we have reviewed, EcoSmart ECO 27 Electric Tankless Water Heater ranks above average with a 8/10 score. For all-electric homes that want endless hot water without gas infrastructure, the ECO 27 is the best value in the elect...
What smart home systems does the EcoSmart ECO 27 Electric Tankless Water Heater work with?
EcoSmart ECO 27 Electric Tankless Water Heater works with major smart home platforms. Check our compatibility notes on the product page for any setup requirements or hub dependencies.
What are the pros and cons of the EcoSmart ECO 27 Electric Tankless Water Heater?
The main pros 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 main downside is no built-in wi-fi — requires add-on smart controller for app features. Overall, experts rate it "Good Value" with a 8/10 consensus score.
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.