The Best Smart Water Heater For 2022

Shannon Fricke By, Shannon Fricke
Updated
Rinnai RL75iN Natural Gas Tankless Hot Water Heater
Image credit: Amazon.com

The Rundown

1. Best Overall: Rinnai RL75iN Natural Gas Tankless Hot Water Heater

"Never run out of hot water with the new Rinnai RL75iN Natural Gas Tankless Hot Water Heater. Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits. The Circ-Logic system is a digital controller that sets recirculation patterns based on your usage, which means you'll never have to worry about running out of hot water and reduced efficiency with this high-efficiency gas water heater. This tankless gas hot water heater." Read Review

2. Best Bang For The Buck: Marey ECO150 Tankless Water Heater

"Marey is designed to be efficient and able to handle the hottest summer days. With a flow switch activation mechanism, the Marey ECO150 will produce constant temperatures with as little as 5Gpm/5Psi, and easy management and simple adjustments on an LCD panel allow you to program the exact desired water temperature." Read Review

3. Best Quality: BISELONG Electric Tank Hot Water Heater

"Get the best of both worlds with the BISELONG by Kichler. This tankless water heater provides up to 20 gallons of hot water per day and provides energy efficiency, durability, and convenience. Its stainless steel construction is durable but lightweight so it's easy to move around when you need it. And its automatic heat preservation and storage keeps hot water on tap all day long." Read Review

4. Best Powerful: Camplux Tankless Water Heater Electric

"Camplux tankless water heater electric is designed with touch control and a digital display, which makes it easy to set the temperature. It comes with a remote smart controller, which enables you to turn the hot water on or off from anywhere in your home. The Camplux comes with a pressure relief valve, so it can drain the water after use during winter." Read Review

5. Best Smart: BISELONG Instant Electric Tankless Water Heater

"The BISELONG electric water heater is designed with a smart chip to scientifically calculate the minimum required power based on the water flow and temperature, thus saving you energy and money. This premium tempered glass shell is corrosion resistant, high-grade and easy to wipe for your convenience. The multiple safety protection functions protect you from the risk of scald, leakage or other injury." Read Review

When it comes to your house and its hot water, nothing is more important than keeping it comfortable. The last thing you want is for your home to be unbearably hot during the summer or freezing cold during the winter. Fortunately, smart water heaters can help with this by automatically regulating the temperature of your tank and saving you from having to do so manually.

These water heaters are designed to be simple, intuitive, and easy to use. They also tend to operate more efficiently than traditional models and require less maintenance. In this article, we’ll explore everything you need to know about smart water heaters in order to find the best one for your home.

Our team had to focus on researching and sifting through 23 hours to get such results for readers. These studies are based on customer star reviews and interviews about their feelings when using the product. As result, We believe the best smart water heater is -the top product. If you're looking for additional options and more in-depth advice, you may check out the following buying guide & FAQs.

Our Top Picks

TOP Choice #1 Rinnai RL75iN Natural Gas Tankless Hot Water Heater
Our Score:
9.9
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 7.5 GPM (5 fixtures at once)

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

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

Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iN model

Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

TOP Choice #2 Marey ECO150 Tankless Water Heater
Our Score:
9.8
MAREY

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

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

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

ETL approved

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

TOP Choice #3 BISELONG Electric Tank Hot Water Heater
Our Score:
9.6
BISELONG

【SAFE DURABLE & LONGEVITY】Made of stainless steel and never rust,Anti-leakage plug,Multiple safety protection functions protect you from the risk of scald, leakage or other injury.Premium plastic shell is corrosion resistant,This mini hot water heater is ideal for kitchen, bar, school, hospital, community and RV.

There are many malicious comments recently, and the only one thing we can do is improve product quality and service continuously. If any product quality problems occur within one year of purchasing the product, we will replace it free of charge.

【SMART INVERTER FOR ENERGY SAVING】Automatic heat preservation and storage of hot water, 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%,Maximum temperature149℉,The built-in smart chip heats up to the temperature you set, and automatically Insulation when heated to the specified temperature.

【FAST RECOVERY RATE】Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time,8-15 minutes to heat to your desired temperature).

【COMPACT DESIGN】Can be shelf, wall or floor mounted (Water inlet and outlet upward); Dimensions: 13.0''L x11.4''W x10.6''H; 9.5lbs; 1/2″NPT NPT. 1.5 kW, 110-220 volts. One-year warranty and 24H customer service support, feel free to contact us.

If you have any questions about the product, you can contact us in time, and the customer service is online 24 hours a day for you

【EASY TO USE】storage tank electric water heater with easy-to-operate knob temperature adjustment design,Easy to control warmth.Vent valve, Tee pipeline, pipes and other accessories are complete for quick installation without additional expenses or preparing time of accessories.

Smart Design - The tankless hot water heater design with touch control & digital display, smart and easy to set temperature. Comes with a remote smart controller, you can set the desired temperature even if you are not in front of the instant water heater

Three Savings: With an efficiency of 99.8%, this tankless electric water heater can save up to 60% on water heating costs. Hot water in three seconds after switching on saves time, easy to get water between 86°F - 125°F; Small size 15.15 x 10.23 x 3.66" saves space

Tips: The 27kW 240V tankless water heater requires 3 x 50 AMP double pole breakers, 8 AWG wire, and water connection 3/4” NPT. The min. Water Flow is 0.85GPM. 1-year limited warranty and 24/7 customer support services

Durable: The on-demand hot water heater is equipped with a pressure relief valve, which can drain the water after use in winter, which can effectively prevent the freezing and cracking of the water pipe in the water heater so that the water heater can be used for a longer time

Safety Protection: The instant water heater comes with NFS and ETL certification and overheating protection. When the temperature is too high, the water heater will automatically trip to ensure the safety of you and your family

【ENDLESS WATER HEATER】3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 131 ℉. Tankless electric water heater on demand suits for sinks and bathroom( meet bathing needs except extremely cold winter such as 28℉).

NOTE: Since each product has been quality tested before leaving the factory, a small amount of water remains inside each water heater!Please rest assured,If there is any problem with the product, you can contact us, customer service 24 hours online service.

【EASY TO USE】 The electric tankless water heater comes with digital display & Remote control settings & touch control panel for visual setting. Accessories are complete for quick installation without additional expenses or preparing time of accessories.

【SMART INVERTER FOR ENERGY SAVING】The hot water heater built-in smart chip to scientifically calculate the minimum required power based on the water flow and temperature thus costing less energy and money. Save up to 90%. The water flow rate and temp is stable under chip's control.

【SAFE DURABLE & LONGEVITY】Multiple safety protection functions protect you from the risk of scald, leakage or other injury. Premium PE shell is corrosion resistant, high-grade and easy to wipe. This mini hot water heater is ideal for kitchen, bathroom, bar, school, hospital, community and hair salon.

6 EZ Ultra HE  Water Heater
Our Score:
9.3
EZ Tankless

This heater can be vented horizontally or vertically using 2" Solid Core Schedule 40 PVC/CPVC

Condensing Technology - The EZ Ultra HE uses exhaust gas to preheat incoming water for added efficiency.

Back-draft prevention device and stainless steel horizontal vent pipe are included.

FREE SHIPPING

Capacity Up to 3.4 GPM @ 45F Rise In Ambient Temperature

【SMART INVERTER FOR ENERGY SAVING】The hot water heater built-in smart chip to scientifically calculate the minimum required power based on the water flow and temperature thus costing less energy and money. Save up to 90%. The water flow rate and temp is stable under chip's control.

【ENDLESS WATER HEATER】3 seconds to get hot water without preheating. Instant consistent and endless hot water of the maximum temperature reach to 131 ℉. Tankless electric water heater on demand suits for sinks,Not suitable for bathing.

Since each product has been quality tested before leaving the factory, a small amount of water remains inside each water heater!

【SAFE DURABLE & LONGEVITY】Multiple safety protection functions protect you from the risk of scald, leakage or other injury. Premium PE shell is corrosion resistant, high-grade and easy to wipe. This mini hot water heater is ideal for kitchen, bathroom, bar, school, hospital, community and hair salon.

【COMPACT & POINT-OF-USE】It is surprised that this electric hot water heater can be installed 360°(no matter mounted horizontally, vertically & obliquely). Dimensions: 8″L x1.8″W x6″H; 2.84Ib; 1/2″NPT NPT. 7.0 kW, 220-240 volts. One-year warranty and 24H customer service support, feel free to contact us.

【EASY TO USE】 The electric tankless water heater comes with digital display & touch control panel for visual setting. Accessories are complete for quick installation without additional expenses or preparing time of accessories.

NOTE: Due to the negligence of the workers, some water heaters have no manuals, please contact customer service if necessary, and the customer service will send you an electronic version of the manual!

8 SIVUATEK Electric Tankless Water Heater
Our Score:
9.0
SIVUATEK

【Smart Electric Water Heater】The electric instant water heater M1-65 adjusts power input based on flow rate and temp setting real time, thus, you get stable temperature out of it even when flowrate changes, which commits comfortable experience, safety and optimal energy efficiency of 98%, saving considerable electric charge.

【Point of Use Water Heater Electric】The sleek electric tankless water heater M1-65 is compact as an oatmeal box, making it possible to install anywhere point of use to avoid energy and water waste. It comes with standard plumbing connections 1/2" NPT and pigtail cord for easy installation with basic DIY skills and reference to the detailed instruction manual provided by SIVUATEK.

【Safe& Durable Water Heater】The on demand electric water heater is newly updated and applied with multiple protection devices, such as leakage protection, over heating protection and auto stop. Every piece of M1-65 goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Totally suitable for household, school, hospital, office, bar and other public facility.

【Unique Water Heater Electric】The electric tankless water heater M1-65 is equipped with a specially designed heating chamber, which runs water line and electricity line separated. It brings the benefits of no leakage, no corrosion and minimized scale deposition, so you can expect its outstanding performance in yeas to come, with nearly zero maintenance. Also, it is fully covered by 3 years warranty with confidence.

【Electric Tankless Water Heater】The M1-65 is compact design for point of use, in the meanwhile it is able to provide sufficient and luxury endless hot water with its powerful 6.5kW heating system. It is great idea to install this kind of tankless water heater electric a few ft away from the faucet or other feature, to get instant and sufficient hot water of 110℉ in seconds.

NOTE: Since each product has been quality tested before leaving the factory, a small amount of water remains inside each water heater!Please rest assured,If there is any problem with the product, you can contact us, customer service 24 hours online service.

【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.

【INSTANT & SUFFICIENT HOT WATER】Applied with 7.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.

【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.

【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.

【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 7.5kW@240V; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.

10 SIVUATEK Electric Hot Water Heater
Our Score:
8.3
SIVUATEK

【Smart Electric Water Heater】The electric instant water heater V7B-140 adjusts power input based on flow rate and temp setting real time, thus, you get stable temperature out of it even when flowrate changes, which commits comfortable experience, safety and optimal energy efficiency of 98%, saving considerable electric charge.

【Electric Tankless Water Heater】The V7B-140 is compact design for point of use, in the meanwhile it is able to provide sufficient and luxury endless hot water with its powerful 14kW heating system. It is great idea to install this kind of tankless water heater electric a few ft away from the shower or washing machine, to get instant and sufficient hot water of 110℉ in seconds.

【Safe& Durable Water Heater】The on demand electric water heater is newly updated and applied with multiple protection devices, such as leakage protection, over heating protection and auto stop. Every piece of V7B-140 goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Totally suitable for household, school, hospital, office, bar and other public facility.

【Point of Use Water Heater Electric】The sleek electric tankless water heater V7B-140 is compact as a shoe box, making it possible to install anywhere point of use to avoid energy and water waste. It comes with standard plumbing connections 1/2" NPT for easy installation with basic DIY skills and reference to the detailed instruction manual provided by SIVUATEK.

【Unique Water Heater Electric】The electric tankless water heater V7B-140 is equipped with a specially designed heating chamber, which runs water line and electricity line separated. It brings the benefits of no leakage, no corrosion and minimized scale deposition, so you can expect its outstanding performance in yeas to come, with nearly zero maintenance. Also, it is fully covered by 3 years warranty with confidence.

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

What Should You Know Before Selecting best smart water heater?

Our website is an online source that provides clients with a diverse selection of best smart water heater. Many items on the site perfectly suit the demands of clients and serve their intended function.

So, how can you determine which of the best smart water heater is the best fit for your needs? Don't be concerned! This article will walk you through all you need to know about the best smart water heater before you buy it.

 

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.

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.

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 122022 warranty. This usually includes an element of a greater or lesser thickness.

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.

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.

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.

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.

 

FAQs

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 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.

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.

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 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.

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.

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.

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.

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.

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.

Conclusion

In short, you have just been shown all the things related to best smart water heater, including the top models, buyer’s guides, and the comparison between products as well. At this moment, it’s obvious that you acquire the mentioned information and are ready to pick one among the list of best smart water heater above. In case there is no model that suits your needs, then Rheem Mid-Efficiency Indoor Natural Gas Tankless Water Heater will be the best to pay attention to. Hopefully, our sharing today will help you choose the best item for your requirement. 


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About Shannon Fricke

Shannon Fricke
Shannon Fricke is an editor for Sanford, where she oversees home improvement and design content. Shannon has a wealth of experience in the home improvement space, having remodeled her own home twice. She loves to share her knowledge and help others learn about new products, trends, and techniques in the industry. When she's not writing or editing, Shannon enjoys spending time with her family and her pets.

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