4 Best Electric Tankless Water Heaters 2024 | Find Yours Now!

best electric tankless water heaters

Electric tankless water heaters are gaining popularity in 2024. They offer hot water on demand without a big tank. This means more space in your home and lower energy bills. Top brands like Stiebel, Rheem, and EcoSmart lead the way.

They make units that fit different homes and budgets.

These heaters save energy and money. They only heat water when you need it, so you won’t waste energy keeping a big tank hot all day. Plus, they’re small and fit in tight spaces, making them great for apartments or small houses.

Let’s look at the best options for 2024.

Top 4 Best Electric Tankless Water Heaters for 2024

Quick Recommendation

1. Rheem 18kW 240V Electric Tankless Water Heater

(Images Credits: Amazon)

The Rheem 18kW 240V Electric Tankless Water Heater stands out for its sleek design and advanced technology, making it our top pick. This heater handles hot water like a champ, with features that ensure you get the exact temperature you want—thanks to its external digital control with LED display. Imagine stepping into your shower on a freezing morning and getting instant, endless hot water at your perfect temperature. That’s what this unit promises, all without taking up the space of a traditional tank.

What sets this gadget apart is not just its compact size; it’s also smarter than your average heater. It adjusts power based on how much hot water you need—a feature that could cut your bill in half—saving money while saving the planet. Yes, please! Plus, its simple installation means no calling in three different professionals to figure things out. Whether you’re washing dishes or jumping into the shower, this Rheem model ensures you never have to wait for hot water again—and that’s why we rank it first among electric tankless heaters looking ahead to 2024.

Features

• Tankless design saves space – no bulky tank to store hot water, freeing up room in your home
• Digital display lets you set exact temps – goodbye guesswork, hello perfect showers every time
• Self-modulating power adjusts to demand – uses only the energy needed, cutting your bills
• High flow rate of 4.4 GPM – enough hot water for multiple tasks at once, no more waiting
• Easy to install with 3/4 inch NPT connections – swap out your old heater without any fuss

Pros

• Instant hot water – no waiting for a tank to heat up
• Saves space – compact design fits anywhere
• Energy efficient – heat only when you need it
• Precise temperature control – digital display for accuracy

Cons

• Pricey upfront cost compared to tank heaters
• May need electrical upgrades for installation
• Limited hot water flow for large households

The Rheem 18kW 240V Electric Tankless Water Heater is perfect for busy homeowners who crave endless hot water and lower energy bills. It’s a top pick in our “4 Best Electric Tankless Water Heaters 2024” list—and for good reason! This compact powerhouse delivers hot water on demand, saving space and energy. If you’re tired of cold showers and high utility costs, it’s time to upgrade—check out this Rheem model today!

Specifications

Name	Value
Brand	‎Rheem
Product Dimensions	‎14.5″W x 18.25″H
Special Feature	‎LED Display
Color	‎Gray
Maximum Flow Rate	‎4.4 Gallons Per Minute
Heat Output	‎18 Kilowatts
Mounting Type	‎Wall
Item Weight	‎14.78 pounds
Item model number	‎RTEX-18
Material	‎Stainless Steel
Included Components	‎Fittings, Aerators

2. Stiebel Eltron Electric Tankless Water Heater – Tempra 24 Plus

(Images Credits: Amazon)

The Stiebel Eltron Tempra 24 Plus stands out as a game-changer in hot water heating technology. With its sleek, space-saving design and eco-friendly operation, it cuts down on energy use by 15-20% compared to traditional tank heaters. Imagine never running out of hot water mid-shower again – this is exactly what the Tempra 24 Plus promises with its Advanced Flow Control feature. It ensures a constant, comfortable temperature even when demand is high by slightly reducing flow, so your shower stays warm from start to finish.

Why do we rank it as the No. 2 best electric tankless water heater? Well, it’s not just about saving space or energy; the blend of reliability and cutting-edge features sets Tempra 24 Plus apart. The digital temperature control allows you to precisely set your desired warmth level, eliminating guesswork and waste. And for those concerned about safety—especially households with children—limiting maximum water temperature prevents accidental scalding. This model comes backed with solid warranties: seven years against leakage and three years for parts.

Choosing the Stiebel Eltron Tempra 24 Plus means investing in a durable, efficient solution for endless hot water supply without the footprint of conventional tanks or the hassle of unpredictable temperatures—an ideal pick for modern homes aiming for comfort and sustainability.

Features

• Endless hot water – Say goodbye to cold showers! This tankless heater gives non-stop hot water to your whole house.
• Space-saving design – Its sleek, white look fits anywhere. No big tank is needed, so you save room in your home.
• Energy – smart tech – It only heats water when you need it. This means lower bills and a greener home for you.
• Easy-to-use controls – Set your perfect temp with simple buttons. The digital display shows you exactly what you want.
• Safe and reliable – Built-in features stop scalding. Plus, it comes with great warranties to protect your purchase.

Pros

• Endless hot water – no more cold showers
• Saves space – small, sleek design fits anywhere
• Cuts energy costs – eco-friendly and efficient
• Easy to use – digital display and preset buttons

Cons

• Pricey upfront cost – may strain budgets
• Needs pro install – not a DIY job
• High power draw – might need electrical upgrades

The Stiebel Eltron Tempra 24 Plus is perfect for eco-minded homeowners who want endless hot water and lower bills. It’s great for big families, busy households, or anyone tired of cold showers. If you’re ready to upgrade your home’s hot water system, this tankless heater is a top pick among the 4 Best Electric Tankless Water Heaters 2024. Check it out now and say goodbye to your old, inefficient tank!

Specifications

Name	Value
Brand	‎Stiebel Eltron
Product Dimensions	‎16.63″W x 14.5″H
Special Feature	‎LED Display
Color	‎White
Mounting Type	‎Wall
Part Number	‎239222
Item Weight	‎21 pounds
Pattern	‎Water Heater

3. Airthereal Electric Tankless Water Heater, 27kW, 240Volts

(Images Credits: Amazon)

The Airthereal Electric Tankless Water Heater, 27kW, 240Volts, is a game-changer for anyone looking to save energy and space while enjoying endless hot water. Unlike traditional heaters with bulky tanks, this sleek model mounts on your wall and frees up room for other things. Its self-modulating technology means it only heats water when you need it, cutting down your energy use by up to 50%. Plus, the safety features are top-notch – temp protection and electrical leakage protection give you peace of mind.

Why did we rank this product as number three on our list? It’s simple. The Airthereal Electric Tankless Water Heater offers an impressive combination of efficiency, compact design, and user safety. However, installation might be tricky due to its specific voltage and circuit breaker requirements. Remember, though, that once installed, it delivers endless on-demand hot water, perfect for families or individuals who hate cold surprises in the shower. This makes it an outstanding choice among the best electric tankless water heaters on the market today.

Features

• Endless hot water on tap – no more cold showers or waiting for the tank to refill
• Self-modulating tech saves energy – heats water only when you need it, cutting bills by up to 50%
• Compact design fits anywhere – 90% smaller than tank heaters, freeing up valuable space
• Triple safety features – high temp, dry heating, and leak protection for worry-free use
• Powerful 27kW output – enough for 3 showers at once, perfect for busy households

Pros

• Endless hot water on demand – no more cold showers
• Saves energy – heats water only when needed
• Space-saving design – 90% smaller than tank heaters
• Safe to use – multiple protection features for peace of mind

Cons

• Needs 240V and specific wiring – not for all homes
• Pricey upfront cost compared to tank heaters
• May struggle in very cold climates or with high demand

Homeowners craving endless hot water and energy savings will love the Airthereal Electric Tankless Water Heater. It’s perfect for busy families who hate cold showers and high bills. This compact powerhouse fits anywhere, making it ideal for small spaces too. If you’re ready to upgrade your home’s hot water system, check out our top 4 Electric Tankless Water Heaters for 2024 – and find your perfect match today!

Specifications

Name	Value
Brand	‎AIRTHEREAL
Product Dimensions	‎3.43″W x 12.2″H
Special Feature	‎Dry Combustion Protection, Overheat Protection, Instant Hot Water, LED Display, High-Temperature Protection
Color	‎Black
Heat Output	‎27 Kilowatts
Mounting Type	‎Wall
Part Number	‎EVT-27K
Item Weight	‎19 pounds
Item model number	‎EVT-27K
Included Components	‎1x 27kW Water Heater, 1x User Manual

4. Ecosmart ECO 18 Electric Tankless Water Heater

(Images Credits: Amazon)

The Ecosmart ECO 18 Electric Tankless Water Heater is an excellent choice for small to medium-sized homes or apartments. This unit delivers consistent hot water by heating it only when needed, thanks to its advanced self-modulating technology. With its compact design, the ECO 18 fits comfortably in smaller spaces, making it perfect for urban dwellings where space is at a premium.

The heater’s digital temperature control allows for precise adjustments in 1-degree increments, providing the exact water temperature you desire. The Ecosmart ECO 18 can save up to 60% on water heating costs by only heating water when you need it. This model requires a 240V electrical supply and must be connected to 2 x 40 AMP breakers with a minimum 150 AMP electrical panel.

The ECO 18’s robust design and energy-efficient operation make it an ideal solution for homes looking to cut energy costs while still enjoying an endless supply of hot water. Backed by a limited lifetime warranty for residential use, the Ecosmart ECO 18 ensures peace of mind with your investment.

Features

• Self-modulating technology – Adjusts energy use based on hot water demand
• Endless hot water – Never run out of hot water again
• Compact and space-saving – Perfect for small homes or apartments
• Digital temperature control – Adjust the water temperature in 1-degree increments
• Lifetime warranty – Limited warranty for residential use

Pros

• Saves up to 60% on water heating costs
• Endless hot water for showers, washing machines, and sinks
• Compact design allows installation in smaller spaces
• Precise temperature control for comfort

Cons

• Requires specific electrical requirements (2 x 40 AMP breakers, 150 AMP panel)
• May not be suitable for larger homes with higher hot water demands
• Professional installation recommended for optimal performance

The Ecosmart ECO 18 is ideal for smaller homes or apartments seeking an efficient, reliable, and compact hot water solution. It offers energy savings and an endless hot water supply, making it a smart choice for those looking to reduce their carbon footprint while maximizing comfort.er now!

Specifications

Name	Value
Brand	Ecosmart
Product Dimensions	17″H x 14″W x 3.5″D
Special Feature	Self-modulating technology, Digital temperature control
Color	White
Voltage	240 Volts

Key Features and Benefits

Electric tankless water heaters offer many perks. They save space, cut energy bills, and use smart tech. Plus, they’re easy to set up. Want to know more? Keep reading!

Compact size

Electric tankless water heaters are small but mighty. They’re about the size of a small suitcase, making them easy to fit in tight spaces. You can put them under sinks, closets, or walls.

This compact design is great for homes with limited room.

These little heaters pack a big punch. Despite their small size, they can heat water for your whole house. They don’t need a big tank like old-style heaters, so you save space and still get hot water when you need it.

The small size makes it easy for them to move if you change homes.

Energy efficiency

Electric tankless water heaters save energy. Compared to old tank heaters, they can cut power use by 24% to 34%. This means lower bills and less waste. Homes that use 41 gallons or less of hot water daily gain the most.

These units heat water only when needed, so they don’t waste power, keeping a tank warm all day.

New models in 2024 are even better at saving energy. They can help homeowners use up to 34% less power than before, which is good for their wallets and the planet. These heaters are smart choices for those who want to cut costs and help the environment.

Advanced technology

Electric tankless water heaters use smart tech to heat water fast. They have special sensors that turn on when you need hot water. These sensors talk to a computer chip that controls the heating elements.

This means you get hot water right away without wasting energy.

These heaters also have cool safety features. They can shut off if the water gets too hot or there’s insufficient water flow. Some models even let you control them with your phone.

You can set the temp or check how much energy you use from anywhere.

Easy installation

Electric tankless water heaters are a breeze to set up. They’re small and light, like tiny suitcases, making them easy to move and place where you need them. Most folks can install these units on their own without calling a pro.

Unlike big tank heaters, the compact size means you can put them in tight spots. You’ll save space and hassle.

These heaters don’t need much room or fancy tools to install. They hook up to your home’s power and water lines quickly. Many models come with clear guides and all the parts you need.

This DIY-friendly design saves you money on setup costs. Plus, you can move the heater later without much fuss. It’s a simple way to upgrade your home’s hot water system.

How to Choose the Best Electric Tankless Water Heater

Picking the right electric tankless water heater can be tricky. Let’s look at some key points to help you choose the best one for your home.

Consider household size and water usage.

Household size and water use matter when picking an electric tankless water heater. A small family might do fine with a less powerful unit. However, a big family needs a stronger system to keep up with high demand.

Matching the heater’s size to your needs is key. This ensures you always have enough hot water without wasting energy.

Think about your daily habits, too. Do you take long showers? Run the dishwasher often? These affect how much hot water you need. Count the number of people in your home and their water use.

This info helps you choose the right size heater. A good fit means happy showers and lower bills.

Read reviews and compare prices

Check out what other buyers say about each heater. Look at star ratings and read comments. This helps you see if a heater works well for real people. Also, look at prices from different stores.

Some places might have sales or deals. Compare costs to find the best value for your money. Don’t just pick the cheapest one, though. A good heater that lasts is worth paying a bit more for.

Look for ENERGY STAR certification

ENERGY STAR certification is a must for smart shoppers. This label means the water heater saves energy and money and helps the planet by using less power. Look for the blue ENERGY STAR logo when buying a new tankless water heater.

These units use up to 30% less energy than standard models.

Picking an ENERGY STAR-certified heater is a win-win choice. You’ll cut your energy bills and reduce your carbon footprint. These heaters often have better tech and last longer, too.

They may cost more upfront, but the savings add up over time. Plus, some areas offer rebates for ENERGY STAR products, making them even more wallet-friendly.

Prioritize safety and durability

Safety and durability are key when picking an electric tankless water heater. These units have built-in safety features to keep you and your home safe. Look for models with auto shut-off if they get too hot.

Durable heaters last longer and need less fixing. Choose one made with strong materials that can handle daily use. This will give you peace of mind and save you money in the long run.

Good safety and durability mean fewer worries for you. High-quality heaters use top-notch parts that stand up to wear and tear. They also have smart tech to prevent issues before they start.

You’re making a smart choice for your home by picking a safe, long-lasting heater. It’s worth finding one that fits your needs and will work well for years to come.

FAQs

1. What are the top electric tankless water heaters for 2024?

The best electric tankless water heaters in 2024 include models from Rinnai and other top brands. These units offer instant hot water, high energy efficiency, and space-saving designs. Look for features like adjustable thermostats, high flow rates, and compatibility with home electronics for smart control.

2. How do electric tankless water heaters compare to traditional tanks?

Electric tankless heaters beat old-style tanks in many ways. They’re more compact, energy-efficient, and provide endless hot water. While the upfront cost is higher, they often lead to energy savings over time. Plus, they don’t need venting like gas models, making installation easier in many homes.

3. Can electric tankless water heaters handle high demand?

Yes, but it depends on the model. High-end electric tankless heaters can supply multiple showers and appliances at once. Check the flow rate and British Thermal Units (BTUs) to ensure it meets your needs. You might need more than one unit or a system with multiple heat exchangers for big homes.

4. Are electric tankless water heaters good for RVs?

Absolutely! Electric tankless heaters are great for recreational vehicles. They’re compact, don’t need venting, and provide hot water on demand, perfect for RVs’ limited space. Just make sure your RV’s electrical system can handle the power draw.

5. Do electric tankless water heaters need special maintenance?

They need less care than tank heaters, but some upkeep helps. Use a water-softening system to prevent mineral buildup in areas with hard water. Regular flushing keeps the unit running smoothly. Check the manufacturer’s guide for specific care tips and warranty info.

6. How do electric tankless heaters help with water and energy conservation?

These heaters are champs at saving water and power. They heat water only when you need it, cutting energy waste. Many models have water-saving tech built in. They work great with low-flow showerheads and efficient appliances. This combo can really slash your utility bills and your carbon footprint.