The Best Home Water Heaters For 2023

Mark Bailey By, Mark Bailey
Updated
Eemax, HA027240 Tankless Electric Water Heater
Image credit: Amazon.com

Summary

1. Runner Up: Rinnai V65iP Non-Condensing Propane Tankless Water Heater

Rinnai V65iP Propane Tankless Water Heater is a smart, durable design that offers an easy way to enjoy hot water all day long in your home. The patented technology ensures that the tankless heater will never run out of hot water. And with our innovative built-in safety features and factory-certified parts, you can rest assured you are getting a top-quality product. Read Review

2. Best Energy Efficient: Ecosmart ECO Electric Tankless Water Heater

Be eco-friendly and save money with the Ecosmart ECO Electric Tankless Water Heater. This energy-efficient water heater is perfect for a small home or apartment, and it comes with a 1 year limited warranty and even a 10 year performance guarantee. With the digital temperature control in 1 degree, you can set the water to your ideal temperature. Endless hot water on demand means no more waiting for the tank to fill up! Read Review

3. Best Monitor: Stiebel Eltron Tankless Water Heater

Stiebel Eltron Tankless Water Heater. The Stiebel Eltron tankless water heater installs in minutes and is completely self-contained with no need for a tank. This low-noise, high efficiency water heater is easy to use and will lower your utility bills by up to 50%. The Stiebel Eltron tankless water heaters provide continuous flow of hot water with an energy efficient design that saves money on monthly utility bills. Read Review

4. Best Durable: EcoSmart ECO 11 Electric Tankless Water Heater, 13KW

The EcoSmart ECO 11 electric tankless water heater is a great option for those looking to save energy and space with a tankless electric water heater. The EcoSmart ECO 11 electric tankless water heater provides hot water on demand, saving time and energy when cooking, washing clothes or simply prepping for the day. The golden finish of this eco-friendly bathroom appliance makes it an ideal addition to any room decor. Read Review

If you have ever lived in a house, then you know that it can be very cold at night. In addition, most houses don’t have central heating or cooling. If this sounds like your home, then you will need to get a water heater for your house.

Water heaters are one of the biggest expenses when it comes to home ownership. However, they are also one of the most important. Getting the right type of water heater can make all the difference when it comes to how comfortable your house feels at night and how often you must run your furnace to keep cool during the day. So what type of water heater is right for your home? Here we’ll look at some of our top picks so you can find the perfect solution for your needs.

After doing extensive study and analysis over a 19 hours, We think the best home water heaters is Rinnai V65iP Non-Condensing Propane Tankless Water Heater. You can consider Ecosmart ECO Electric Tankless Water Heater as an alternative if you're still undecided. Other suggestions on this list are definitely worth considering, and we've put up a useful shopping guide to help you decide!

Our Top Picks

  • 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
  • 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 #2 Ecosmart ECO Electric Tankless Water Heater
Our Score:
9.5
EcoSmart
  • 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. Save up to 50% in water heating costs according to the Department of Energy
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
  • Save up to 12 cubic feet of storage space.
  • Recommended Electrical Panel: 200 Amps
  • Required Breaker Quantity: Three 40 Amp Double Pole
  • 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 17 x 17 x 3.75 inches 
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • 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
  • NEVER run out of hot water with an ECOSMART tankless water heater.
  • EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
TOP Choice #3 Stiebel Eltron Tankless Water Heater
Our Score:
9.4
Stiebel Eltron
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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.
  • 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
  • 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
  • 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 7.5 GPM (5 fixtures at once)
  • 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)
  • 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 RE160iP model
6 Eemax, HA027240 Tankless Electric Water Heater
Our Score:
8.8
Eemax
  • Digital temperature display
  • Copper heat exchanger with brass top
  • This product adds a great value
  • This product is manufactured in china
  • Durable, easily replaceable heating elements
  • Recommended wire size: 3 x 8 AWG
  • This product is highly durable
  • Control knob to adjust temperature in increments of 1 Degree
  • 🚿 Save Precious Space In The Bathroom: This small electric water heater fits perfectly in tight places like over sink walls in your home, restaurant, office, store, mall, warehouse, garage, gas station RV, boat, spa, or beauty salon.
  • 🚿 Worry No More About Overheating Accidents: Our instant hot water heater is easy to use with adjustable electronic temperature control, an easy-to-read display Celcius/Fahrenheit compatible, and it is ETL-Certified with leakage and overheating protection.
  • 🚿 Reduce Your Electricity Costs: Heating water for everyday use can be quite expensive. Replace your traditional water heater with this energy-efficient tankless electric water heater and save money on your energy bills.
  • 🚿 Get Instant Hot Water Anytime: This high-capacity electric hot water heater 14.6W will instantly provide you with endless, continuous, high-flow hot water for your shower, dishwashing, and all your household needs.
  • 🚿 Place Your Order With Confidence: This tankless hot water heater is powerful, durable, and easy to maintain. It features easy-to-replace heating elements and comes with the Avicar USA 3-Year Warranty for your peace of mind.
  • ☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
  • ☼ Important Note: In order to install 9kW Electric Tankless Water Heater it would requires 240 Voltage, 40 AMP Circuit Breaker Size. Please check to confirm that your breaker panel meet these specifications.
  • ☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating costs compared to a typical tank water heater.
  • ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
  • ☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.
Product Images, Product Titles, Product Highlights from Amazon Product Advertising API

What to Look For in a best home water heaters?

Often buyers are reluctant to buy best home water heaters. When considering a large purchase, certain things should be examined. Our knowledge and experience of best home water heaters will help in making the best options.

Please keep in mind the following criterial before selecting the best home water heaters:

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.

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.

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.

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.

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.

FAQs

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 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.

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 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.

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.

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.

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.

When new data becomes available, we routinely adjust the list of best home water heaters. Please do regularly visit our website for the most up-to-date news.

If you have any questions or difficulties with best home water heaters, please do not hesitate to contact us. We'll try our best to do everything we can to assist you if you ask!


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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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