Best 120 volt tankless water heater in 2022 – Reviews & Buyer Guide

1. EcoSmart POU 3.5 tankless water heater

Best 120 volt electric tankless water heater

EcoSmart’s POU 3.5 tankless water heater allows for endless hot water and at the same time saves space, time, and reduces overall energy and water consumption. It is technologically advanced and can be used in homes as well as business environments. The product is easy to install and dependable.

However being a point of use, it can only facilitate a single fixture with a water flow rate of 0.5-1.5 GPM. This hot water capacity can vary based on incoming water temperature. That’s why with this unit, you can only facilitate sinks that have the lowest flow rate of 0.5 GPM with surety.

Features

Self-modulation technology

This amazing technology allows no standby losses and variable power inputs to match your demand for hot water.

50% saving on water heater bills

It uses advanced technology in heating water quickly while ensuring an endless supply of hot water. All this while eliminating standby losses, hence reducing your utility bill by half.

Aesthetic space-saving design

EcoSmart’s POU 3.5 tankless heater has a beautiful and sleek design that is also a space saver. Hence you can use it as home décor or so you can fit it anywhere under a sink or inside a cupboard.

Warranty

EcoSmart’s POU 3.5 tankless water heater is very reliable and durable and has a warranty of one year on the electronic, heat exchanger, and elements.

Certifications

ETL, UL, CSA listed.

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2. Camplux 3.5 kW Electric Tankless Water Heater

Best 120-volt under sink tankless water heater

Camplux 3.5 KW electric tankless water heater is a smart and compact designed product tankless water heater. It has a space-saving, energy-efficient, and long-lasting design. You can save water and power with this tankless water heater. It uses only 120 v/60 Hz input to produce hot water which can be used for your bathroom and kitchen sinks. This product has a much higher high efficiency and longer life than a traditional tankless water heater. This unit features a built-in thermostat that allows you to regulate the temperature of the water. It is extremely easy to install, just plug it into any electrical outlet.

Features

Reliable and durable

This product has a long life and durability; you can use it for years without getting into any trouble.

Multi-mounting option

This product is easy to carry and mount, there are two mounting options one being vertical and the other being upside down. This helps you make a water connection easily without any messiness caused by bending pipes to reach the tankless water heater connecting points. You won’t feel any difference by rotating it as its touch screen layout can also be rotated to match the direction. All this enables you to make a cleaner connection while ensuring ease of usability.

Smart and compact design

The Camplux Electric 3.5 kW Tankless Water Heater is tiny, lightweight, and space-saving. It can easily be placed in any tiny location.

Support wide temperature range

It supports a wide range of water temperatures, which means that you can still get hot water even if your locality has icy cold water available to you. However at a lower hot water output rate.

Warranty

This electric tankless water heater comes with 1-year warranty coverage for the unit.

Certified

ETL Approved, NSF approved

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3. Stiebel Eltron Mini 3 Tankless Water Heater

Best 120-volt mini tankless water heater

Stiebel Eltron Mini 3-1is an electric tankless water heater that works on 120V. as it doesn’t require much power, it works as a point of use. It is eco-friendly and saves a lot of energy. The most eye-catching thing about it is its appealing design which adds more beauty to your home decor. Similarly, its space-saving design makes it easy to install it in any corner of your home.

This unit is also equipped with the self-modulation capability for more savings and a durable stainless steel build for a longer lifespan.

Self-Modulation

This tankless water heater uses smart technology and modulates its operational level depending on the demand hence ensuing maximum saving

Mounted Both vertical And Inverted

Another great thing about this unit is that it can be mounted both vertically and inverted which saves a lot of time to install on a horizontal or vertical surface.

Quiet Operations

This unit operates quietly so when operating, you won’t feel any noise from the device when enjoying your daily bath after work.

Overheating Protection

This Model is equipped with overheating protection that protects the unit from becoming hot even when it operates for a long time.

Space-Saving Design

The design is elegant and sophisticated. Its size makes it easy to fit in many places and its shape does not restrict its placement, allowing you to place it almost anywhere.

Warranty:

This unit offers 7-year leakage and a 3-year limited part warranty. Which is applicable only when the unit is installed by a licensed professional.

Certified:

Certified frustration-free, ANSI/UL certified, CSA Certified, and WQA certified

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4. Chronomite SR-30L Tankless Water Heater

Best 120-volt hot tankless water heater

The smallest tankless water heater that packs a punch. Chronomite SR-30L is the perfect solution for small house appliances such as lavatories and sinks. This size works well with low equivalent daily hot water (EDHW) usage. It also features two faucet adapters and a hose fitting for convenient installation. It can easily support a sink with its 0.65 GPM hot water capacity. It is perfect for tiny houses, RV’s, and mobile houses. It is also 99% Energy Efficient and certified for its ADA/UL compliance.

Features

Extremely compact with its space saver design

This water heater is extremely compact with its space-saver design. The installation will be a breeze since it does not require any venting. It can fit in even the tightest of spaces that are often left at the back or side of sinks, lavatories, showers, or appliances.

Constant hot water supply

Chronomite SR-30L ensures that you will get your daily dose of hot water supply. It is equipped with a 0.5 GPM flow rate capacity which provides unlimited hot water to all your limited needs like sinks.

Energy efficient

In addition to the endless hot water supply, this unit is also energy efficient. It consumes only 30-120 watts of electricity for its operation. Make sure it doesn’t become a burden on your electrical circuit.

Simple installation process

Chronomite SR-30L can easily be installed within minutes using compression fittings. This characteristic makes it an excellent alternative for plumbing newbies.

ADA/UL certified

Chronomite SR-30L is also UL listed which ensures it’s safe for usage. It has undergone tests that meet the requirements of ADA making it perfect for homes with elderlies.

Warranty

This amazing unit comes with a 12-month warranty

Certification

ADA Compliant, CSA Listed, ETL Listed, UL Listed, IAPMO Listed,

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5. Rinnai RL75IN Tankless Water Heater

Best 120-volt indoor tankless water heater

The Rinnai RL75IN tankless water heater has 7.5 gallons per minute (GPM), which means it can sustain up to 4 showers or 2 showers and 1 dishwasher at the same time. It also happens to be 82% energy efficient, so you save money every month. The Rinnai RL75IN has an available Wifi-ready option that lets you monitor and control it from your smartphone, as well as keep track of its operation. However, what makes the Rinnai RL75IN stand out is that it is capable of recirculation with a separate accessory. Recirculation ensures warmer water for all your fixtures, at the first instance.

Features

Self-Modulation

Self-modulation operates at different power levels depending on the hot water demanded. This means that during low hot water demand times the unit will only operate at a minimum power level, which reduces gas consumption and utility bills.

Recirculation capable

The Rinnai RL75IN is equipped with Circ-Logic technology which ensures continuous hot water under any circumstance. By using the Rinnai RL75IN you will be able to get instant hot water from all fixtures with any wait time.

Wifi ready

The Rinnai RL75IN is Wifi ready, which means easily monitoring and controlling the unit from a smartphone, or tablet.

Warranty

In addition, the Rinnai RL75IN has a 12-year heat exchanger warranty, a 5-year warranty on all components, and a 1-year labor warranty.

Certified

SCAQMD compliance, AHRI certification, CSA certification

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6. Takagi TKJr2 gas tankless water heater

Best 120-volt natural gas tankless water heater

Takagi is a Japanese global brand for tankless water heaters. Takagi TKJr2 gas tankless water heater is one of its famed products. It is affordable but has a sturdy and long-lasting construction. It’s a unit that’s been designed with a lot of safety features. It offers 6.6 GPM of hot water capacity and is energy-star approved. A Takagi TKJr2 gas tankless water heater is a product to look out for when you need a reliable tankless water heater.

Features:

Protection against frost, overheating, and surge

The Takagi TKJr2 gas tankless water heater has much safety features some of them are: protection against frost, overheating, and surge. This ensures that the unit will function well for a long time and that you will not have to worry about it needing to be fixed.

Low NOx

Additionally, the Takagi TKJr2 tankless gas water heater is eco-friendly. This unit comes with low NOx emission, this means that it does not emit any harmful gases to the atmosphere so you can be sure that your family will be safe when using it.

Troubleshoot with the help of error codes

If you have a Takagi TKJr2 gas tankless water heater it gives you an error code that helps you to find the problem as fast as possible. This is especially useful if you are unfamiliar with the upkeep of these units.

Warranty

The Takagi TKJr2 gas tankless water heater has a 10-year heat exchanger guarantee and a 5-year components warranty. However, it requires you to have the unit installed by a licensed professional.

Certified

Energy Star certified and UL certified.

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7. Takagi T-H3-DVNG tankless water heater

Best 120-volt gas tankless water heater

Takagi T-H3-DVNG is a revolutionary condensing tankless water heater that offers the best value. It is a Direct Vent, Natural Gas tankless water heater which has the highest energy efficiency for gas tankless water heaters due to its condensing and self-modulation technology. It also ensures a healthier living environment as it emits less NOx than other conventional ones.

With Takagi T-H3-DVNG you can get one of the greatest hot water outputs of 10 GPM with a lower carbon footprint and at affordable rates.

Features:

High 10 GPM hot water capacity

It is a direct vent condensing gas tankless water heater that has the highest hot water capacity with 10 GPM, best for large families or buildings where there is a lot of use of appliances simultaneously.

Numerous safety mechanisms to face all kinds of environment

It ensures safe and healthy living as it has numerous safety mechanisms such as automatic overheating shut off, automatic gas shutoff, freeze protection, tip-over switch, etc.

Diagnostic system

It has a diagnostic system that helps to predict and find abnormalities before it occurs. This reduces the probability of issues and maintains working efficiency all the time.

Self-modulation

Thanks to its self-modulation feature it can always meet your demand in terms of output and performance while ensuring minimum energy costs.

Warranty

For your peace of mind, it comes with a 15-year heat exchanger warranty, a 5-year parts warranty, and a 1-year labor warranty.

Certified

AHRI Certified, Energy Star Certified, ANSI CSA Certified, SCAQMD cleared, and NSF cleared.

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8. Rinnai V65IN tankless water heater

Best buy 120-volt tankless water heater

The Rinnai V65IN is the perfect tankless water heater for anyone searching for reliability, functionality, and energy efficiency. It is a gas tankless water heater that delivers up to 6.5 gallons of hot water per minute and conserves energy as it heats only when necessary. This model is designed to be space-saving and compatible with a variety of locations within the home. With three levels of protection from possible damage due to scale, Rinnai has created a water heater with reliability as a priority.

Features:

Sensitive scale detection

The Rinnai V65IN provides worry-free operation thanks to its sensitive scale detection feature. This feature alerts the user when the scale build-up exceeds a certain level.

Error Code Indicator

The Rinnai V65IN includes a built-in error code indicator. Which let you know if any issue arises.

Frost protection

The Rinnai V65IN includes a frost protection feature. It detects when the changes in operating conditions signal high risk for freezing and protects the water heater.

Energy Star certified

The Rinnai V65IN is an Energy Star certified product. This certification proves its reliability and energy efficiency to consumers and housing associations alike, making it one of the most sought-after models on the market.

Warranty

The Rinnai V65IN is covered by a 10-year warranty against defects in materials and workmanship for the heat exchanger. While the 5-year warranty applies to the parts and 1-year labor for Rinnai.

Certified

AHRI Certified, Energy Star Certified, ANSI, and CSA Certified, SCAQMD Approved, NSF approved

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9. Rinnai RL94IN tankless water heater

Best rated 120-volt tankless water heater

Rinnai is probably the most well-known and reliable tankless water heater brand in the US. They’ve been around for quite a while and they’ve always stood up to our expectations. Here’s one of their most advanced noncondensing models for you. It has a maximum flow rate of 9.4 gallons per minute which is even enough for multiple showers at once or, in case you’d like to take a bath instead, it can even provide that. It can also be used safely with a standard electrical outlet, even if it’s only 120 Volts. While its safety mechanism doesn’t allow the temperature to get too high or too low and makes your tankless water heater shut down by itself in case of overheating.

Features

Circ logic

This means that it’ll be able to remember your routine needs based on the frequency of outlets used and configure the best path to ensure the quickest hot water. This may not look like much but it can save you a lot of energy when used with a recirculation pump.

Ultra-low NOx

As you probably know, some tankless water heaters release quite a lot of harmful gases. One such example is nitrogen oxide, which has been known to be hazardous for you and the environment alike. The RL94IN model, however, uses a special heat exchanger that can lower down NOx emissions by 60% or more.

Overheating, Freezing and Surge protection

Rinnai RL94IN comes with a lot of safety mechanisms to tackle all kinds of circumstances that are not in your control. Ensuring a longer lifespan and higher performance.

Wifi controllable

The unit is also equipped with Wi-Fi monitoring. That means that you can control the unit from your smartphone or tablet if you’re too lazy to go near the unit itself.

Warranty

A heat exchanger with a 12-year limited warranty, as well as a 5-year on components and a 1-year labor warranty, is included.

Certified

SCAQMD Certified, AHRI certified, ANSI certified, CSA Certified.

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