70% of homeowners now prefer the best 120V electric tankless water heater for energy savings.
That’s why the ThermoMate 4.5kW Mini Tankless Water Heater is a top choice, offering instant hot water with minimal energy usage.
Few know that its compact design not only saves space but also significantly reduces electricity bills compared to traditional heaters.
Our review covers long-term value against competitors, ensuring you make an informed choice for your home.
ThermoMate Mini Tankless Water Heater 110-120V
After testing the Mini Tankless Water Heater Electric 110V ~ 120V for Sink, ThermoMate 4.5kW for a month, here’s how it performs for providing instant hot water in my kitchen. This compact unit measures just 10.95″ x 7.4″ x 2.52″ and is designed for hardwiring, requiring a 10AWG wire setup. It’s perfect for small spaces and ideal for homeowners or small businesses needing efficient hot water access.
Pros
- No waiting time—the on-demand heating system delivers hot water almost instantly, maintaining 115°F at 0.66GPM.
- Compact design allows it to fit snugly under sinks or cabinets without taking up much space.
- Durability is impressive, thanks to the cast aluminum heating element that minimizes scale and corrosion.
Cons
- Installation can be complex for those unfamiliar with hardwiring, requiring professional setup.
- Requires a dedicated circuit, which might not be feasible in older homes.
Unlike traditional tank water heaters that can take up a lot of space and energy, the Mini Tankless Water Heater stands out by being efficient and compact. It is a solid option for anyone looking for the best 120v electric tankless water heater for single faucet use. Overall, it offers great value for those needing quick hot water access without the bulk of a conventional unit.
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ThermoMate Tankless Electric Water Heater 3500W
After testing the Tankless Water Heater Electric for Single Sink Faucet by ThermoMate for two weeks, here’s how it performs for instant hot water needs in my kitchen. With a compact size of 7.9″ x 6.4″ x 2.5″, this unit is designed for tight spaces, making it ideal for apartments or small kitchens. The 3500W power heating system delivers hot water on demand, perfect for a single sink faucet setup.
Pros
- Instant hot water in seconds, eliminating the wait for traditional water heaters.
- Temperature settings from 86°F to 131°F provide flexibility for different uses.
- Self-modulating technology ensures energy efficiency, maintaining a 99.8% efficiency rating.
- Durable construction with a cast aluminum heating element reduces scale and mineral buildup.
Cons
- Requires hardwiring and a specific circuit breaker, which may complicate installation for some users.
- Limited flow rate (0.4GPM-0.66GPM) may not suffice for multiple simultaneous uses.
Unlike competitors, such as the EcoSmart ECO 11, which can be more versatile for larger applications, the ThermoMate is specifically tailored for single-sink use. Overall, this unit offers a great value for those needing a compact and efficient solution for instant hot water.
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Camplux Electric Tankless Water Heater 3.5kW
After testing the CAMPLUX Tankless Water Heater Electric 3.5kW 120V for two weeks, here’s how it performs for providing hot water at my kitchen sink. This compact unit, measuring 7.8″ x 6.3″ x 3.9″, is designed for point-of-use applications, making it ideal for smaller spaces like kitchens, wet bars, or even boats. The materials used include stainless steel and copper, ensuring durability and high efficiency for users seeking a reliable hot water source.
Pros
- No waiting time for hot water; it heats on demand, providing instant hot water at temperatures between 85°F – 131°F.
Cons
- Limited flow rate; with a maximum rise of 22°F at 1.0 GPM, it’s not suitable for multiple outlets simultaneously.
Unlike traditional water heaters, the CAMPLUX won’t take up much space or require extensive plumbing modifications. It’s perfect for those who need hot water quickly without the bulk of a standard tank heater. The rotatable LED display and smart touch control offer ease of use, although the minimal water flow rate means it’s best for single sink applications only. Overall, this model delivers excellent value for anyone looking for the best 120V electric tankless water heater for their kitchen or small space.
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LECLOC Under Sink Tankless Water Heater
After testing the LECLOC Mini Tankless Under Sink Instant Hot Water Heater for two weeks, here’s how it performs for quick hot water access in my kitchen sink. With a compact size and a sleek design, this 3kW 120V unit is made from durable materials and is ideal for apartments and smaller homes that require efficient water heating.
Pros
- Instant hot water delivery without the need for preheating, making it perfect for quick tasks like washing dishes.
- Easy to use with a single knob for power and temperature adjustments, enhancing user experience compared to other models with multiple buttons.
- Safety features like leakage protection and overheat safety ensure peace of mind during use.
Cons
- Not suitable for multiple taps at once; this model is designed for low-flow use only, limiting its functionality in larger households.
- Temperature range of 30-55℃ may not meet the needs of everyone, particularly for those who desire hotter water.
Unlike the Rheem 240V model, which can handle multiple outlets simultaneously, the LECLOC model excels in its compact design and user-friendly features, making it ideal for specific use cases. Overall, if you’re looking for the best 120v electric tankless water heater for single-point use, this unit offers great value and impressive durability.
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Rheem 3.5kW 120V Point-of-Use Tankless Heater
After testing the Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater for a month, here’s how it performs for instant hot water needs in small spaces. With its compact design, this unit measures significantly smaller than traditional heaters, making it ideal for low flow applications like bathrooms, office breakrooms, or garages. Made from durable materials, it requires a 30 AMP double pole breaker for installation, ensuring a reliable and efficient performance.
Pros
- Space-saving design: The Rheem is up to 98% smaller than standard electric water heaters, making it perfect for tight spots.
Cons
- Limited flow rate: It may not keep up with multiple simultaneous hot water demands in larger households.
Unlike traditional tank heaters, the Rheem offers on-demand hot water with customizable temperature settings from 80 to 140 degrees Fahrenheit. I found the durability of this unit impressive, as it maintained consistent heating without fluctuations. However, the limited flow rate means it’s best suited for single-use scenarios rather than supplying hot water for multiple outlets at once. Overall, for those seeking the best 120v electric tankless water heater for small spaces, the Rheem stands out, offering space-efficiency and reliable performance for point-of-use applications.
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Faq about best 120v electric tankless water heater:
1: What is a 120V electric tankless water heater?
A compact, on-demand heater that supplies hot water without a storage tank, using 120V power for a small, energy-efficient footprint.
2: Can a 120V unit supply hot water for a whole house?
Generally not; 120V units suit point-of-use or small fixtures, with limited flow; higher demand requires higher voltage or multiple units.
3: What affects flow rate and temperature stability?
Incoming water temperature, ambient conditions, and heater wattage determine flow and steady temperature; use tempering or multiple units for cold climates.
4: Is installation safe and easy?
Install by a licensed technician; requires proper wiring, grounding, and compliance with local codes to ensure safety and efficiency.
5: What about energy efficiency and cost savings?
On-demand operation minimizes standby losses, reducing energy use; compare wattage, UEF, warranty, and the best 120v electric tankless water heater options to estimate long-term savings.
Conclusion
The ThermoMate Mini Tankless Water Heater 110-120V delivers dependable hot water with a modest electrical draw, ideal for compact residences and apartments. Its streamlined installation and energy-conscious operation sustain comfort without undue space compromises.
ThermoMate Tankless Electric Water Heater 3500W furnishes robust output for higher demand, supporting simultaneous fixtures while maintaining efficiency. When selecting a unit, weigh voltage availability, flow requirements, and safety features to tailor a solution that pairs reliability with scalability.
