The Highest Rated Water Heaters For 2023

Summary
1. Best Overall: EcoSmart ECO 11 Electric Tankless Water Heater
Save Energy and Endless On-Demand Hot Water with the EcoSmart ECO 11 Electric Tankless Water Heater. This tankless water heater is ideal for providing hot water for a bathroom, small sink, office breakroom, or other point-of-use or low-flow applications. With an efficiency rating of up to 94%, your electric bill will be reduced, and you'll save space in your home by taking up less floor space. Read Review
2. Runner Up: Bosch Electric Mini-Tank Water Heater Tronic 3000
This mini-tank water heater by Bosch is an easy way to provide hot water to your home and is a reliable source of hot water. With convenient features like adjustable pressure, you can easily mount this unit vertically or horizontally in your home. Read Review
3. Best Energy Saving: Stiebel Eltron 239223 Tankless Water Heater
Take a step into the future of water heating with Stiebel Eltron. This tankless water heater saves space with its sleek design, and no venting is required. With 8 gauge copper wiring, the on-demand continuous and unlimited supply of hot water provides domestic hot water for showers, dishwashers, laundry or even for your cooking needs. Read Review
4. Best Compact: Ariston Mini-Tank Electric Water Heater
Ariston's Mini-Tank Electric Water Heater is a compact, energy-efficient solution for providing immediate hot water at the point of use. Install as a booster or standalone, this exclusive technology completely protects the inner surface against corrosion while also increasing energy efficiency. Easy installation with an integrated plug-and-play tube and quick connect fittings provide easy installation and convenient use. Read Review
5. Best Money Saving: Camplux ME25 Mini Tank Electric Water Heater
Camplux ME25 Mini Tank Electric Water Heater is a multifunctional water heater. It can save energy and money, is high-quality built and elegant design, with UL approval safety. With its High Limit device, it provides protection while overheating. This product can be mounted on a wall or floor and is suitable for both indoor and outdoor use Read Review
Installing a water heater can be a daunting task, and that’s mainly because there are so many different options available. The number of manufacturers, models, and features to consider can quickly make you feel overwhelmed. Thankfully, with a little bit of research and some helpful tips from your local contractor, this process should go a lot smoother than you might expect.
In this article, we’ll be reviewing some of the most popular water heaters currently on the market for both residential and commercial installations. This list is by no means comprehensive since so many companies manufacture home water heaters these days. Rather than just list every single model under the sun, we’ve carefully selected only the best home water heater based on our research and customer reviews.
Our team spent about 21 hours researching, sifting, and selecting many high-quality models. As an outcome, We think the highest rated water heaters is EcoSmart ECO 11 Electric Tankless Water Heater. In addition to the other suggestions on this list, which are equally deserving of your consideration, we have also compiled a helpful buyer's guide to assist you in making your decision.
Our Top Picks

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
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

CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
EASILY MOUNTED: Can be shelf or floor mounted. Wall mounting available in vertical orientation only (water connections on top) - bracket included. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water
IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (5.1 gal. of water supply) or horizontally (7 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit
Sleek design saves space and no venting required
Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts
Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence
On demand a continuous and unlimited supply of hot water

Provide immediate hot water at the point of use; install as booster or standalone
TitanShield exclusive technology that fully protects inner surface against corrosion; robust environmentally safe insulation increases energy efficiency
Easy installation; installs right at the point of use with water connection and standard 110/120 Volt outlet
Compact design; wall or floor mounted (wall bracket included)
6-year limited warranty on tank, 2-year warranty on parts
Saving Energy & Money - Built in insulation foam, reduces heat loss. 2.5-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it.
High Quality Built & Elegant Design- Camplux electric water heater has glass-lined tank for long service life and easy to maintain. Elegant streamline design cover, made your kitchen more pretty.
43.3‘’ cord plugs into 120 volt outlet for independent installation or in-line with a large hot water source.(Max. water pressure is 150 PSI, CSA listed Temperature & Pressure relief valve included)
UL Approval Safety - Thermostat Control allows adjustment of water temperature. High Limit device provide protection while overheating.
Can be shelf, wall or floor mounted ; Simply tap into the cold water line and install the water heater directly at the sink to provide hot water. Product dimension:11.75" W x 17.25" H x 10.38" D.

Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream
Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended

Remote thermostat & 6' power cord included
Endless hot water
Can be vented with Schedule 40 PVC Pipe and Fitting
High Efficiency
Low Nox
Flow Rate & Temperature Specification: The temperature raise is 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) is at its lowest point of 1.32 GPM. Also, 1.32 gallons of hot water can be produced per minute at the flow rate of 1.32 GPM.
Lightweight, Compact & Portable Design: The 10 pounds lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside.
Important Installation Tip: To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. Read the directions before installation check for gas leaks at all times before operating.
6-in-1 Protection & CSA Safety Approved: This tankless water heater is CSA Approved with anti-freezing protection, over-heating protection, low water flow protection, dry combustion protection, high water pressure protection and flame failure device.
Installation Instruction & Package Content: This Camplux AY132 heater comes with 1-year guarantee, 5 feet premium on/off shower head, 5 feet gas regulator, 1 set US-standard garden hose, and 1 installation hardware pack. Setting up this propane water heater simply takes 10 minutes.
Versatile Applications: The lowest water pressure at beginning for the water heater is 3.0 PSI. For off-grid and rural areas, this hot water generator powered by two size D batteries is ideal. No more chilly outdoor shower anymore.
Warm Maintenance Tips: Damage caused by freezing is not covered under Camplux warranty. It must be properly drained if the water heater stored in cold climate, Freeze damage can occur in the heat exchanger or water valves. To drain the device properly, please open the drain stern located at the bottom right of the water heater . You can do so by turning in a counter clockwise direction. Please disconnect all incoming and outgoing water lines to ensure proper drainage from the water heater. When not in use, fully disconnect gas, incoming and outgoing waterlines. Store in a warm dray place.
Considerate Customer Service- Here at Camplux, customer service is everything ! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.
Easy Installation -The propane water heater uses standard 1/2" NPT water fitting and gas inlet. Comes with 2" horizontal vent pipe,ensures efficient power ventilation. Minimum activation rate: 0.65 GPM; Maximum input rating: 68,000 BTU; Water connection location/size: Bottom/0.5-inch NPT. You will need a gas regulator ( Camplux model KR-106A )&1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter if you want to hook this water heater up to a propane tank.
Compact Design,Energy saving -The compact size instant hot water heater saves more space than traditional tanks.Trendy and modern design with fahrenheit digital temperature display. Eco and Full gas switch for energy saving and get ideal hot water temperature.
2.64 GPM Instant Hot Water -Camplux high capacity 2.64 GPM propane tankless water heater delivers 2.64 GPM on demand endless hot water ensures instant hot water for any small homes, cabins or apartments. On demand water heater only heats the water when you need it and no waiting for preheat.
6-IN-1 Multiple Protection- Flame-out protection, anti-freezing protection (manual drainage needed), over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.

☼ 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.
☼ Important Note: In order to install 14kW Electric Tankless Water Heater it would requires 240 Voltage, 60 AMP Circuit Breaker Size and a set of 6AWG/2 wires. Please check to confirm that your breaker panel meet these specifications.
☼ 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.
☼ 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.
What to Look For in a highest rated water heaters?
You may know that highest rated water heaters is a kind of product many customers are hesitant to pay for. It is not due to its quality but the fact that there are many factors you must consider. Nevertheless, all your worry is not a problem for us. Our knowledgeable staff will help you with the right decision.
Tech-evaluated and high-rated products are available in our list of eligible items. Here are some indispensable things you shouldn’t ignore:
Efficiency Rating
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.
Anti-Scale Devices
Tankless Or Tank
Digital Displays
Tank Capacity
Space
Brass Vs. Plastic Drain Valves
Gas Or Electric
Venting Needs
FAQs
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.
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.
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 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.
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.
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.
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 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.
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.
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