The Best Tankless Water Heater For Home In 2023

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

Summary

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

If you're looking for a tankless electric water heater, but don't want to pay the expensive installation and replacement costs, then look no further than our eco-friendly tankless water heater. It's an easy way to deliver unlimited hot water on demand, without any tanks or filters ever needing to be changed or replaced. Read Review

2. Best For The Price: Rinnai V65iP Tankless Water Heater

With the latest in non-condensing technology and a cleaner layout, our new Rinnai Tankless Water Heater is an efficient way to save time and money on heating water. The compact propane gas unit has no tank to fill or any hoses, fittings or valves to install and requires no maintenance. An enhanced scale detection system helps prevent serious damage that can result from fine particles in water. Read Review

3. Best Smart: Stiebel Eltron Tankless Water Heater

Stiebel Eltron Tankless Water Heater is a technologically advanced eco-friendly unit that saves energy with auto-modulation, eliminating the need for an electrician and electrical wiring. The electronic switch on the front of the unit turns it on and off remotely via a wireless signal. The digital temperature display indicates water temperature so you know when to refill. Read Review

4. Best Performance: Rinnai RU160iN Tankless Hot Water Heater

The Rinnai RU160iN Tankless Hot Water Heater is a space-saving design that provides endless hot water. This hot water heater is equipped with Circ-Logic, which automatically turns the heater on and off based on the time of day. It also has a space-saving design that allows it to fit almost anywhere. Read Review

5. Best Compatible: Rheem Tankless Water Heater

The Rheem Tankless Water Heater is one of the most efficient water heating devices on the market. It uses electricity to heat water, and it is connected directly to your water line. The hot water is delivered from the tankless heater as needed, so there is never a need to wait for a tank of heated water to fill up before you use it! Read Review

There are many homeowners who want to use tankless water heaters for their houses. It is a good choice for those who don’t have enough space or who need more hot water in a short time. On the other hand, if you have a small house, this type of water heater may not be the best option for you.

There are a few things that you need to consider before purchasing one. The best tankless water heater for your home will depend on several factors such as your location, your daily water needs, and your budget. You may wonder why it is important to research before buying a tankless water heater. Well, there are benefits that homeowners get when they have access to hot water whenever they need it.

Even if you do not plan to sell your house anytime soon, having access to hot water outside at peak times can improve the value of the property by making it usable 24 hours a day instead of just 12 hours per day without sufficient storage capacity.

We think the best tankless water heater for home available now is EcoSmart ECO 11 Electric Tankless Water Heater. If you were wanting another option, you can check the Rinnai V65iP 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
  • 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 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
  • 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.
  • 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
TOP Choice #2 Rinnai V65iP Tankless Water Heater
Our Score:
9.8
Rinnai
  • 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
  • Never Run Out of Hot Water with this Compact Propane 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 RE160iP model
TOP Choice #3 Stiebel Eltron Tankless Water Heater
Our Score:
9.6
Stiebel Eltron
  • CONTINOUS FLOW – Hot showers will never be interrupted again. Enjoy continuous, on-demand hot water with an unlimited supply, when you want it without wasting any energy when not needed
  • 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
  • TEMPRA 24 TREND – 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
  • 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
  • SILENT OPERATION – One electronic switch will activate the hot water heater and it’s noise free while in use. Digital temperature display is easy to read, while the interior solid copper heating system does all the power work
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Optimal Water Pressure: Up to 7 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
5 Rheem Tankless Water Heater
Our Score:
9.3
Rheem
  • ON/OFF Dial Control with adjustable digital temperature display
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Bottom 3/4" NPT water connections
  • On demand, consistent and continuous hot water
  • Self-modulating power control
6 CAMPLUX ENJOY OUTDOOR LIFE Tankless Water Heater
Our Score:
9.2
CAMPLUX ENJOY OUTDOOR LIFE
  • Indoor Installation. This natural gas tankless water heater is applied for home use, suitale for 1 shower and 1 dishwasher or 1 landury room.
  • 2.64 GPM Instant Water Heater. Camplux water heater delivers 2.64 GPM hot water.You can enjoy unlimited hot water flow throughout the house, compact, durable, and easy to install, professional installation recommended.
  • Easy to Install. The tankless water heater uses standard 1/2" BSP water fitting and gas inlet. The water heater comes with1/2 " BSP female to 1/2" NPT male gas connector adapter then you want hook this water heater to natural gas pipe directly.
  • Optimal Features.Tankless hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner,high heating efficiency up to 89.98 %; 90°wind isolation design, this tankless natural gas water heater can anti backflow wind in high floors.
  • 6-In-1 Protection Ensures Safety. Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.
7 FOGATTI Tankless Water Heater
Our Score:
9.1
FOGATTI
  • Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
  • 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.
  • 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.
  • 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.
  • The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
  • Self-modulating power control
  • Side 1/2" NPT water connections
  • On demand; continous hot water
  • ON/OFF Dial Control with adjustable digital temperature display
  • 8kW Model Flow Rate: up to 1.95 GPM
  • Instant, consistent and endless hot water
  • Compact size saves valuable storage space; Resistant and stylish with digital temperature control in increments of 1°F ranging from 80°F to 140°F
  • 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
  • Tankless water heaters provide a continuous Supply of hot water and only heats the water you need, when you need it
  • Before purchase and installation, Please verify that this EEM24018 is the correct size for your hot water needs.Rated Pressure: 25psi minimum; 150psi maximum
  • 【Point of Use Water Heater】 the sleek tankless water heater electric ECO130W is compact as a shoes box, making it possible to install anywhere point of use to avoid energy and water waste, ideal for single shower, kitchen faucet, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 13kW at 240V(only); dimensions 11" (W) x 15.75" (H) x 2.25" (D); plumbing connections :1/2" NPT.
  • 【Safe and Durable Hot Water Heater】newly updated and applied with multiple protections, every piece electric tankless water heater from GREATBEAR goes through strict tests to ensure 100% safety. Inner water and electricity lines are designed to run separately so as to avoid leakage risk and scale build up. You can expect outstanding performance for years to come.
  • 【Convenient Use】the electric tankless water heater 13kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status, you needn’t go through hard lesson of temp setting by a mixer tap without direct information. Now turn on the faucet and let the smart hot water heater do the rest.
  • 【Self Modulation Instant Water Heater】the electric hot water heater ECO130W adjusts exact power input based on current flow rate and temp setting. For example, less power will be applied by the smart water heater when you reduce water flow, thus, you get ideal temperature instead of scalding hot, which ensures comfortable experience and excellent energy efficiency. Also, optimal energy efficiency of 99.8% saves considerable electric charge for you.
  • 【Electric Tankless Water Heater】applied with powerful 13kW heating system, the tankless water heater electric ECO130W supplies sufficient instant and endless hot water of 110℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time, perfect companion for single shower, sink faucets,dishwasher or washing machine.
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What to Look Through Prior to Selecting the best tankless water heater for home?

You may be aware that purchasing something is not actually an easy action. Your everyday life will be affected if you choose the most fantastic product. What variables, though, will make this acquisition successful? Whether you're seeking for best tankless water heater for home to meet your needs, you'll be wasting your own time.

Nevertheless, it would be preferable if you weren't so worried. We've enlisted the help of a team of professionals to investigate best tankless water heater for home, and we've provided accurate data.

There seem to be several important considerations to make. But only a few of them are really concentrated. Here are some crucial reviews while purchasing best tankless water heater for home:

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.

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.

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.

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.

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.

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.

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.

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.

FAQs

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.

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.

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 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 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.

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.

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 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.

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 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.

The figures we've presented here aren't all of them. Alternatively, we continuously update it as new information becomes available. It's advisable to keep in mind the points we discussed related to buying guide.

We always appreciate your feedback and handle it with the utmost importance. As a result, the most up-to-date data will come to your mind as soon as possible. You are supposed to contact us and give us your reviews as well as problems so that we will try to support you. Hope you have a pleasant shopping experience!


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About Mark Bailey

Mark Bailey
Mark Bailey is a freelance writer with a particular interest in home improvement, home design and gadgets. He has written for a number of online publications and enjoys sharing his passion for all things DIY with others. When he's not writing, Mark can usually be found elbow-deep in a home renovation project or spending time with his wife and two young children.

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