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Best electric tanklesses - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

EcoSmart

Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5

EcoSmart

$550.82

More Details
Main highlights
- Sleek and compact design with digital output temperature display
- Manufactured in United States
- ECOSMART tankless water heaters are 99.8-percent energy efficient
- 100 A
$550.82
2
Best Value
13% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

EcoSmart
13% Off

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

EcoSmart

$515.99

$599.00
(13% Off)

More Details
Main highlights
- Voltage - 240
- Single phase
- Digital temperature control allows temperature settings in 1 degree increments.
- Configured for climates where incoming water temperature can reach as low as 37 degrees.
- Capable of heating nearly 3 gpm.
$515.99
$599.00 (13% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Orbek

18kW Tankless Water Heater Electric, ORBEK Instant On Demand Hot Water Heater 240V, Up to 4.17 GPM, Supply for 2-3 Fixtures, within 1℉ Stable Temp, ETL Certified, Indoor Installation

Orbek

$299.99

$319.99
(6% Off)

More Details
Main highlights
- Stable Temperature Control: The built-in chip adjusts heating power 20,000 times per second, keeping water temperature stable within 1°F for a comfortable shower experience
- Note: Things to know before buying, Our Orbek tankless water heater electric 18kw requires 2 x 240V/40A two-pole breakers, 2 sets of 8 AWG wires and 3/4" NPT water connections.
- LED Digital Display: Our tankless electric water heater features a high-definition screen with soft lighting for easy temperature adjustments between 86°F and 140°F. It also displays real-time temperature changes
- Instant Hot Water Supply: Orbek electric tankless water heater 240v can provides up to 4.17 GPM of on demand endless hot water and ensure comfortable hot water for 2-3 points of use simultaneously
- High Energy Efficiency: This on demand hot water heater electric utilizes water-electricity separation to minimize scale and corrosion. It provides endless hot water in just 3 seconds with an impressive efficiency, potentially reducing electricity costs by up to 60% compared to traditional tank-style heaters
- Easy Install: With a compact size of 17"H x 13.0"L x 3.9"W, our electric hot water heater saves over 50% of space compared to traditional tank water heaters, fitting easily into most corners of your home. We have also made structural improvements to the product to make installation easier
- Comprehensve Security Protection: The tankless hot water heater is ETL certified and packed with advanced safety features, including leakage protection, over-temperature protection, dry-heating protection and lighting resistance etc. Each product undergoes rigorous testing before leaving the factory to ensure its safety and normal operation
- After-Sale Service: We provide long-term return & exchange services along with professional technical consulting support
$299.99
$319.99 (6% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Westinghouse

Westinghouse 14kW 240V Smart WiFi Tankless Water Heater Electric, Compatible with Alexa & Google Home, ETL Certified, IPX4, Gray - Upgrade (APOLO-2.0)

Westinghouse

$299.99

More Details
Main highlights
- 【SPACE-SAVING & EASY INSTALLATION】 Compact design (14.2" H x 9.5" W x 3.5" D) mounts flush to walls, freeing floor space. Includes 1/2" NPT connections and 60A breaker compatibility.
- 【SMART WI-FI VOICE CONTROL】 Control water temperature remotely via the app or voice commands (Alexa & Google Home compatible). Adjust settings from 86°F to 140°F in 1° increments. The LED display shows real-time status for easy monitoring.
- 【PERFECT FOR APARTMENTS & HOMES】 This 14kW, 240V electric tankless water heater efficiently delivers up to 3.38 GPM flow, providing consistent hot water for 1 to 3 points of use simultaneously in apartments, homes, or offices.
- 【INSTANT HOT WATER 】 Westinghouse 14kW electric tankless water heater delivers continuous hot water on demand — perfect for simultaneous use at 1 shower + 1 sink. Eliminate waiting time and temperature fluctuations during showers, dishwashing, or handwashing.
- 【IMPORTANT NOTES】up to 3.38 GPM for APOLO-14kW. Activation flow: 0.5 GPM. Amperage (amps): 59A. The product works and is compatible with 1 X 60 AMP (DP) breakers and 1 X 6 AWG wire. Bottom 1/2" NPT water connections
- 【ETL SAFETY CERTIFIED & DURABLE DESIGN】 ETL certified with 4-layer protection (leakage, overheat, dry-fire, high voltage). Features separate water-electricity pathways to prevent corrosion and scaling, ensuring low maintenance and extended lifespan.
$299.99
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rheem

Rheem 18kW 240V Tankless Electric Water Heater, Gray

Rheem

$439.84

More Details
Main highlights
- Threaded for easy replacement, simple installation, digital temperature display
- Simple installation – bottom 3/4 inch NPT water connections
- Most advanced self-modulation, adjust power to meet hot water demand
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
$439.84

Best electric tanklesses - Holiday Sale 2025

Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

18kW Tankless Water Heater Electric, ORBEK Instant On Demand Hot Water Heater 240V, Up to 4.17 GPM, Supply for 2-3 Fixtures, within 1℉ Stable Temp, ETL Certified, Indoor Installation

Westinghouse 14kW 240V Smart WiFi Tankless Water Heater Electric, Compatible with Alexa & Google Home, ETL Certified, IPX4, Gray - Upgrade (APOLO-2.0)

Rheem 18kW 240V Tankless Electric Water Heater, Gray

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