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Best 120v tankless water heaters - 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.

Rheem

Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater

Rheem

$207.31

More Details
Main highlights
- SAVES SPACE: Ideal for low flow point-of-use applications, such as in a bathroom, office breakroom, wet bar, or garage. The compact size of the water heater is up to 98% smaller than a standard electric water heater.
- INSTALLATION: Designed to be mounted in an upright position with the inlet and outlet water connections at the bottom of the unit for ease of installation with no venting required.
- ELECTRICAL REQUIREMENTS: 1 x 30 AMP Double Pole Breaker Required. Product installation hard wired to 120 volts requiring a 30-amp breaker.
- EASILY ADJUSTABLE: Thermostatic temperature controls in 1-degree increments ranging from 80 to 140 degrees Fahrenheit for on-demand, consistent hot water.
$207.31
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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.

Feelrogast

Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted

Feelrogast

$199.99

More Details
Main highlights
- [Safety Protection] Electrical insulation on inlet/outlet. Leakage protection plug. High-quality insulation. High-temp limiting device and auto temperature control. Multiple layers of protection for safety.
- [Instant Hot Water & Rapid Reheat] Feelrogast electric mini tank water heater rapidly heats water, minimizing your wait time and efficiently meeting your hot water needs. The 316 stainless steel heating element achieves up to 99% heat utilization. Temperature is adjustable from 86-167°F for simple, convenient operation.
- [High quality and durability] This product is CE, ROHS, and FCC certified, ensuring safety and reliability. The 1.88mm thick stainless steel tank is pressure-resistant and explosion-proof, with a 500-800μm enameled layer using a unique double process to prevent cracking, rusting, and leaks, for long-lasting performance.
- [Convenient Installation] Wall-mount, rack, or floor options, with hidden install. 1/2" NPT water connectors. 110/120V, 1440W. Max 109 PSI pressure. 44-inch power cord with plug. Use 20-amp breaker for electrical safety.
- [Compact and versatile design] The streamlined design allows efficient space-saving, enabling under-sink installation. Highly suitable for RVs, camping, and other locations needing hot water supply, like kitchens, bathrooms, garages, food trucks, offices, and salons.
$199.99
3
Best Value

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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.

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Tankless Water Heater Electric 4.5kW 110~120V Small Instant Hot Water Heater, Point-of-Use, Save Space for Sink Wall Mounted LED Digital Display CSA Certified TE05

CAMPLUX ENJOY OUTDOOR LIFE

$129.99

$139.99
(7% Off)

More Details
Main highlights
- 【Save Space】 With a mini size of 10.95W×2.52H×7.4D inch, mounted multi-angled in small spaces throughout the kitchens, wet bars, schools, hospitals, hair salons, and boats
- 【Save Energy】 Electric tankless water heater adopts a self-modulating design and adjusts power input based on flow rate and temp setting in real-time. Saving up to 99.8% in energy consumption
- 【Point of Use Hot Water】 The under sink water heater only heats the water when you need it and no waiting to preheat, saving up to 50% in energy consumption. The temperature rise of 1.0 GPM is 50°F. Easy to get hot water in 3 seconds
- 【Note】 Make sure this unit is the right size for you: 4.5kW@120V, requiring 40A Circuit Breaker, 10AWG wire size and 1/2"NPT water connection. 2-year limited warranty and 24/7 customer support services
- 【Convenient Use】 Touch control panel and LED digital temperature display, easy to set your desired temp. The minimum water flow for activation just needs 0.26 GPM (Only for one sink). MUST HARD WIRED, NO PLUG. Drawing only 110-120 Volts
- 【CSA Listed Safety Guarantee】 Safety features include overheating protection, dry heating protection, and electrical leakage protection. Inner water and electricity lines are designed to run separately to avoid leakage or harm from scale build-up
$129.99
$139.99 (7% Off)
4

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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.

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Tankless Water Heater Electric 3.5kW 120V Instant Hot Water Heater ETL Certified with Self-modulating, Save Energy, Point of Use for Kitchen, Bathroom, White

CAMPLUX ENJOY OUTDOOR LIFE

$119.99

More Details
Main highlights
- 【Saves Energy】Electric tankless water heater adopts a self-modulating design and adjusts power input based on flow rate and temp setting in real-time. Saving up to 98% in energy consumption
- 【Save Space】With a mini size of 7.8W×6.3H×3.9D inch, mounted multi-angled in small spaces throughout the kitchens, wet bars, schools, hospitals, hair salons, and boats
- 【Note】Make sure this unit is the right size for you: 3.5kW@120V, requiring 32A Circuit Breaker, 10AWG wire size and 1/2"NPT water connection. 2-year limited warranty and 24/7 customer support services
- 【Instant Hot Water Heater in 3s】Tankless water heater does not wait for preheating. The temperature rise of 1.0 GPM is 22°F. Easy to get hot water at 73℉ or higher (Only for one sink)
- 【ETL Listed Safety Guarantee】NFS-approved, offers lead-free water. ETL safety certified, leakage and overheat protection device to ensure your safety. Inner water and electricity lines are designed to run separately to avoid leakage or harm from scale build-up
- 【Convenient Use】 Touch control panel and digital temperature display, easy to set your desired temp. The minimum water flow for activation just needs 0.4GPM-0.66GPM (Only for one sink). MUST Hardwired, NO PLUG. Drawing only 110-120 Volts
$119.99
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.

LECLOC

LECLOC Mini Tankless Under Sink Instant Hot Water Heater Electric 3kW 120V Plug-in, Enlarged LED Digital Display, Knob Control, IPX4, Multiprotective, 30-55℃ Thermostatic On Demand Water Heater, Gray

LECLOC

$159.99

More Details
Main highlights
- Widely Applicable: Whether you need hot water for sinks in kitchen, bathroom, laundry, basement, offices, shop, apartment, dormitory, garage, bar, or hair salon, this small point of use water heater has you covered. The stylish compact design tankless water heater can be installed anywhere
- Note: This model (3kW 120V) mini tankless water heater is designed for low-flow use only, not suitable for showers or multiple taps at once. The output water temperature is affected by many factors, including the water heater wattage (heating capacity), inlet water temperature and water flow. For a better warm water use experience, we recommend that you consider our higher wattage model E65 (6.5kW 240V) first, which is hard-wired
- Multi-protective and Intelligent: Every Lecloc water heater undergoes strict tests to ensure the safety of use. This instant hot water heater is designed with multiple protections, including leakage protection, overheat protection, dry combustion protection, high water pressure protection, IPX4 waterproof and is drop-test passed. Also this small electric water heater has functions of automatic fault diagnosis and constant temperature memory, very safe and smart to use
- Efficient: The 3kW 120V on demand water heater under sink is suitable for 1 point of use. It can provide 24-hour endless warm water without the need for preheating, saving much compared to tank water heaters
- Easy to Use: Enlarged LED digital display with knob control, this 3kW 120V point of use water heater is very easy to use. 1 knob for power ON/OFF and temperature adjustment, offering a better user experience than others 3 mini touchscreen buttons. You can adjust the temperature between 30℃ and 55℃
$159.99

Best 120v tankless water heaters - Holiday Sale 2025

Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater

Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted

CAMPLUX Tankless Water Heater Electric 4.5kW 110~120V Small Instant Hot Water Heater, Point-of-Use, Save Space for Sink Wall Mounted LED Digital Display CSA Certified TE05

CAMPLUX Tankless Water Heater Electric 3.5kW 120V Instant Hot Water Heater ETL Certified with Self-modulating, Save Energy, Point of Use for Kitchen, Bathroom, White

LECLOC Mini Tankless Under Sink Instant Hot Water Heater Electric 3kW 120V Plug-in, Enlarged LED Digital Display, Knob Control, IPX4, Multiprotective, 30-55℃ Thermostatic On Demand Water Heater, Gray

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