The Best Quality Tankless Water Heater For 2023

Holly Becker By, Holly Becker
Updated
EcoSmart ECO 11 Electric Tankless Water Heater
Image credit: Amazon.com

Summary

1. Best Overall: EcoSmart ECO 11 Electric Tankless Water Heater

The EcoSmart ECO 11 Tankless Electric Water Heater is a revolutionary water heater that provides you with endless hot water. You will get hot water whenever you need it, without the hassle of having to wait for hot water to heat up. The EcoSmart ECO 11 is also 99% thermal energy efficient and 90% smaller than traditional tank heaters. Read Review

2. Best For The Price: Rinnai V65eN Non-Condensing Tankless Water Heater

The Rinnai V65eN is a non-condensing tankless water heater with an enhanced scale detection feature. No need to remove the scale with this tankless water heater as it has an automatic scale removal system. It also has a new display and remote control that gives you easier access to your settings. Read Review

3. Best Design: Stiebel Eltron Tankless Water Heater

The Stiebel Eltron Tankless Water Heater with Advanced Flow Control patented technology saves energy and money with auto-modulation and the ability to electronically control water flow. With the electronic switch activated by a single button, you can turn it on and off effortlessly. Read Review

4. Best Smart: Rheem Tankless Electric Water Heater

The Rheem Tankless Electric Water Heater is the most advanced in self-modulation, featuring a digital electronic thermostatic control with LED display and two durable copper heating elements. The digital thermostat offers temperature adjustments of degrees within minutes and is equipped with an external digital temperature sensor that allows it to modulate itself on demand. Read Review

5. Best Compatible: Ecosmart Electric Tankless Water Heater

With a sleek and compact design and digital output temperature display, the Ecospace Ecosmart Electric Tankless Water Heater is designed to add value, convenience and style to your home. With its 99.8-percent energy efficiency, it's environmentally-friendly too. Read Review

Installing a tankless water heater in your home can come with a lot of benefits. Instead of storing water and waiting for it to be heated, you can use your hot water whenever you need it in just a few seconds. With so many benefits, it makes sense that more homeowners are installing them as well.

If you’re thinking about installing one, you’ve come to the right place! Along with the benefits, there are also pros and cons of having a tankless water heater installed in your home. We’ll take a look at what those are so that you can make an informed decision on if this is something worth exploring further.

We think the best quality tankless water heater available now is EcoSmart ECO 11 Electric Tankless Water Heater. If you were wanting another option, you can check the Rinnai V65eN Non-Condensing Tankless Water Heater as an alternative. You may relax knowing that its quality is also good per what we researched.

Our Top Picks

TOP Choice #1 EcoSmart ECO 11 Electric Tankless Water Heater
Our Score:
9.9
EcoSmart

Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches

Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature

EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.

TOP Choice #2 Rinnai V65eN Non-Condensing Tankless Water Heater
Our Score:
9.7
Rinnai

Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 6.5 GPM (5 fixtures at once)

Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE160eN model

Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician

TOP Choice #3 Stiebel Eltron Tankless Water Heater
Our Score:
9.5
Stiebel Eltron

SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs

WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase

EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work

TEMPRA 24 PLUS – This specific model is 24kW, 240V, requires a min recommended electric service of 150 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels, Tempra Plus tankless water heaters can be set to limit the maximum hot water temperature to 109°F. This can be important in some installations to prevent the possibility of scalding.

CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again

Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM

Threaded for easy replacement, simple installation, digital temperature display

External digital thermostatic control with LED display (+/1 degree accuracy)

Simple installation – bottom 3/4 inch NPT water connections

Most advanced self-modulation, adjust power to meet hot water demand

5 Ecosmart Electric Tankless Water Heater
Our Score:
9.3
EcoSmart

150 A

Sleek and compact design with digital output temperature display

ECOSMART tankless water heaters are 99.8-percent energy efficient

Pipe Fittings:3/4 inch NPT

Manufactured in United States

Required Breaker:4 x 40 A

6 Eccotemp Tankless Water Heater
Our Score:
9.2
Eccotemp

For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.

Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate

Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.

Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.

Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.

Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.

170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.

The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.

Fogatti provide free replacement within 30 days, and 5 years warranty on heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs extra from 31 days.

We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.

Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.

The most advanced, self-modulating technology available, meaning the unit will adjust how much energy needs to be input based on how much hot water is needed

Before purchase and installation, Please verify that this EEM24013 is the correct size for your hot water needs

Instant, consistent and endless hot water

Tank less water heaters provide a continuous Supply of hot water and only heats the water you need, when you need it

Compact size saves valuable storage space

9 MAREY Tankless Water Heater
Our Score:
8.9
MAREY

Tankless water heaters provide an efficient hot water solution eliminating the stand-by energy consumption of conventional tank units

Unit requires 220v~240v and (1) 70 amp double pole breaker. Minimum Activation Rate 0.50 GPM

ETL approved

Flow switch activation mechanism allows the unit to produce constant temperatures with as little as . 5Gpm/5Psi

Smart technology: easy management and simple adjustments on a LCD panel allows you to program the exact desired water temperature thereby optimizing energy consumption

Model number: HA036240

Endless hot water

Brand name: Eemax

Country of Origin: United States

Product Images, Product Titles, Product Highlights from Amazon Product Advertising API

Several things a reader must do before selecting best quality tankless water heater

Actually, best quality tankless water heater can be discovered by following these simple steps. Individuals should first understand their needs and the requirements which will guide their decision-making procedure.

Then they must investigate all options available to decide which product satisfies those needs and meet those criteria. After that, the buyer can narrow down their options based on factors such as cost and dependability. Let’s check the tips for better purchase:

Brass Vs. Plastic Drain Valves

A tank water heater has a drain valve located at the bottom that allows for the proper drainage of the tank. The valves can be used with standard garden hoses and made from brass or polyvinyl chloride (PVC). A brass drain valve is better than using plastic for hot water heaters, as brass is more resilient than plastic.

Tankless Or Tank

A tank water heater stores a set amount of hot water and is ready to be sent to several appliances simultaneously. The tankless heaters heat the water quickly and require less space than water heaters with tanks. One unit might not heat enough water for multiple fixtures simultaneously, so it is possible to purchase multiple water heaters.

Digital Displays

Modern water heaters have digital controls, which allow homeowners to set up the heater to turn off when they are away from home. Although a digital display can increase the initial price of the heater, it also increases the heat efficiency, which ultimately saves money.

Venting Needs

Electric water heaters do not require venting, so they can be placed in any place in your home. When they heat up, gas hot water heaters emit carbon monoxide and other harmful gases. These heaters use a ventilation system made up of pipes and conduits that removes these byproducts. Gas heaters require venting, take up more space, and are less suitable for homes than electric water heaters.

Gas Or Electric

There are many factors that influence the choice of electric or gas-powered water heaters. These include local utility costs and personal preferences. People who want to save money upfront and those who don't have natural gas in their homes prefer electric water heaters. Gas heaters can be more costly upfront, but they will save you many hundreds of dollars per year depending on the energy cost in your region.

Anti-Scale Devices

Some companies advertise that they can reduce mineral scale buildup by swirling water. Although scale may reduce the heater's life expectancy, it doesn't mean you have to spend a lot on fancy options. Look for one that comes with a 122023 warranty. This usually includes an element of a greater or lesser thickness.

Tank Capacity

You should make sure your tank heater has enough hot water storage to provide heat for your entire family. Although tank heaters are capable of heating water at multiple locations simultaneously, they will require more time to heat the water. This could lead to unexpectedly cold showers.

Efficiency Rating

Efficiency ratings are a measure of how efficient water heaters actually heat water. An efficiency rating of.70 for hot water heaters means that 70% of energy used by them heat water.
The difference between electricity and gas rates means that this rating doesn't give a good indication of the cost you could expect to pay for the unit. A gas heater with a lower efficiency rating will be more efficient than one that uses electricity. However, gas heaters are mucher than electric ones.
Because they don't have to run constantly to heat water, tankless heaters are significantlyer than storage tanks heaters. A tankless water heater can cut down on your energy bills by up to 40% depending on how much hot water you use. To determine the impact on your budget, it is better to calculate the annual operating cost for the hot water heater.

Space

A lowboy, or shorter water heater might be the best option if you don't have a lot to heat. They are smaller than average and can be used in small homes. You could also consider mini-tank or tankless water heaters. Although gas water heaters are bulky and heavy, it's possible to get smaller models. The size of electric water heaters is generally smaller. If you have limited space, tankless electric water heaters will be the most suitable option.

FAQs

What Is A Water Heater?

A boiler is often confused with a water heater. What is the difference between a boiler and a water heater? A water heater heats water to be used for showering, cooking, cleaning, or other purposes. The water heater heats cold water coming from the water supply pipe. It then gives you hot water ready to use for washing your clothes or running a faucet. Water heaters use water that's suitable for cleaning and cooking (potable). A boiler, on the other hand is designed to heat your home and heat water from the taps.

Can You Still Shower If Your Water Heater Is Leaking?

You can still take a hot shower even if your water heater is leaking. You can shower even if the leak becomes severe. It will just mean that you won't get hot water.

What Are The Signs Your Hot Water Heater Is Going Out?

A failing water heater can be identified by a series of telltale symptoms, such as banging sounds inside the tank and a decrease in temperature.

How Do You Drain A Water Heater?

First, drain the hot water heater by flushing it with water at full pressure. After connecting the drain line, open the drain valve and close it again. The valve will dislodge any sediment, allowing the system to drain faster.
Then, disconnect your water heater from either the electric or gas power supply and shut down the main water supply. Next, disconnect the drain hose from the quick flush and open the drain valve. Once you let air in the tank, water will not flow out. You will need to remove the hot water pipe from the top of the water heater, and then move the pipe to the side. You will see the tank begin to drain.

What Is The Best Compact Water Heater For Saving Space?

Mini-tank or tankless water heaters are compact and light, which makes them great for small homes that have less space.

Gas Vs Electric Water Heaters: Which Is Right For You?

It's not cheap to install a water heater in your house. This is why it's important that you take some time thinking about how to charge your appliances. First, electric heaters offer the most sustainable option for the environment. If you choose one, it will be a better choice for your planet. Although electric water heaters work better, the price of electricity is higher than that of traditional gas options. You can still use your gas heater even if there is no power, so you have less to worry about during a crisis.

How Often Should I Replace My Water Heater?

According to professionals, your water heater should be replaced every 10 years. A water heater cannot be guaranteed for this long. It is possible that your water heater will need to be replaced sooner than expected.

Can Water Heaters Explode?

Electric and gas hot water heaters are susceptible to explosions. Explosions are rare, but can be caused by increased pressure in the heater, poor installation or maintenance, failure to set the temperature and relief valve (T & P), gas heaters, flammable liquids, or gas leaks.

How Long Does A Water Heater Last?

Although water heaters come with varying lifespan expectations, many can last for between 8-12 years. Some water heaters can last up to 20 years. Your water quality can make a difference in how long your heater will last. Over time, corrosion can occur from heavy minerals or sediment.
Depending on which model you select, the manufacturer may offer different warranty terms. The most common warranty period is usually between 6 and 9 years.

How Do Water Heaters Work?

A tank-style water heater uses a dip tube that has an outlet in the bottom to heat the cold water. The tank's temperature is monitored by an internal thermostat which activates either a heating element, or a burner that warms water to the desired temperature.
Dual heating elements are used in electric water heaters to heat the water. The bottom heating element heats the coldest water faster, while the top one warms the water if it becomes too hot.
A pilot light, or electronic ignition system for gas water heaters ignites the gas that is flowing to a burner. Before shutting off, the burner heats water in the tank until it reaches a desired temperature. The exhaust is then vented outside.
Water heaters that are tankless don't keep water. They heat the water by using either electric or gas heating elements. The temperature of the hot water is a factor in how fast it flows, however most units are capable of providing hot water at a flow rate between 2 and 7 GPM.

Conclusion

Before making a purchase decision, the reader should do the following. It's critical to keep these factors in mind when looking for the best quality tankless water heater since they can help to ensure that you discover what's worth the investment. If you need another option for best quality tankless water heater, you should look into GE APPLIANCES Tankless Water Heater. Hope you have a nice shopping day!


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About Holly Becker

Holly Becker
Holly Becker is a commerce editor for Sanford ArtEdventures. She has years of experience testing products and writing about them, with the aim of helping people to improve their homes. Holly loves anything that makes her house look better, and she's excited to share her findings with others who want to do the same.

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