10 Best Tankless Water Heaters To Buy In 2018

Best Tankless Water Heaters To Buy Now !

Are you a savings-savvy home owner and looking for a way to save on your electricity bill or perhaps wanting to go off-the grid? Consider a tankless water heater. Besides saving you money on your electricity bill, other great benefits of a it include taking up less space in your home, and of course, avoiding the dreadful floor full of water when your water heater with a tank decides to stop working properly.

However, even if you have decidedMORE you’re ready to switch to a tankless water heater, finding the best one can be a challenge. For many consumers, knowing the difference between all the available models and knowing which is the best tankless water heater for you and your family requires a lot of research and can be a frustrating process. That’s why we have put together a buyer’s guide complete with a comparison chart and details of the 10 top tankless water heaters.

Best For Kitchen Usage : EcoSmart Mini 6 Gallon

EcoSmart Mini 6 Gallon $205.00 1

The EcoSmart Mini 6 is another ideal option for providing heated water for kitchen-only use. Not a tankless water heater but a water heater with 6-gallon tank. Plenty of heated water for multiple kitchen tasks that require hot water without the hassle of complex installation that is necessary for some tankless water heaters.

  • Any Flow Rate – Because the water heater holds a preset amount of heated water – 6 gallons – the water pressure that you need can be whatever the tap it’s connected to is capable of. Just remember that the higher the pressure and the faster the water flow, the quicker the heated water runs out.
  • Easy Installation – Thanks to a fully electric design, installation is a cinch and eliminates the need for a propane tank, natural gas source, or batteries. Oftentimes, the most expensive part of a water heater can be the installation. That is not the case with this model.
  • Instant Heated Water – Once you fill the 6-gallon tank with cold water from an existing line you have tapped into, the water heater almost instantaneously heats that water and its ready for use.
  • Standard Outlet Plug – Consistent with the easy andMORE convenient installation, the water heater only requires a standard 110-volt outlet that exists in any home in the West.
  • Eliminate Standby Time – Another great way to use this water heater is to provide instant hot water when the existing source is too far away to quickly provide hot water. When you are cleaning, the last thing you want to do is turn on the faucet then sit there and watch the water come out waiting for it to get warm. With this water heater, instant hot water can be available while you wait for your existing source to get to where you need it.

  • Short cord – The ideal location for installation for this water heater is in the cupboard beneath your kitchen sink. However, if you don’t have an electrical outlet there, you may need an extension cord. The cord that comes with the package is only 3 feet long.

Editor’s Recommendation

The tank of this water heater is too small for a shower so it’s best suited for someone using a water heater for their bathrooms but is either not powerful enough or too far from the kitchen to also provide heated water to that location. This water heater supplies instant hot water when you need it.

Best For Outdoor Usage : Triton 10L

Triton 10L $229.99 1

The Triton Portable Water Heater is more than just heater. It’s a portable shower because it comes with an adjustable shower head. This is a perfect tankless water heater for camping trips or anywhere else where showers are hard to come by.

  • Adjustable Shower Head – Just like the shower head you use inside your home, this Triton Water Heater comes with a shower head which can be adjusted to off, mist, shower and jet. Truly convenient and allows the water heater to be multi-functional if you need different pressures of water for different reasons.
  • Electricity Free – This Triton water heater uses propane to heat your water and batteries to light the ignition. All you need is a propane tank. It doesn’t get much more portable than that!
  • Carry handle – Yet another feature which truly makes this water heater portable is the foldable handle for storage purposes. The handle itself enables the 25-pound water heater to hang from almost any place so you can shower it places you might not have though possible.
  • Garden Hose Ready – Like the other truly portable, this one comes with a turn brass garden hose connector so that you can still take a warm shower even if the only source available is the garden hose.
  • 8 Foot Hose – We already mentioned the four-setting shower head but it gets better. That shower head is connected to the water heater via an 8-foot long water hose that allows you reach the hard-to-get places when showering or, if using it for cleaning outside, ensure that your cleaning properly.
  • Wind Blows Out Burners – It’s important to remember that the burners are heated with propane and are therefore susceptible to blowing out in a strong wind. Because it’s use is outside, which is where wind blows, you must shield it from the wind or risk the wind shutting off the burners resulting in a cold shower.

Editor’s Recommendation

Remember that this is designed for outdoor use, it’s easy to see why it is a great option for people who love being outdoors but also enjoy warm showers. Who can blame you? Enjoy the outdoors and enjoy warm showers at the same time with this water heater.

Best Portable Water Heater : Eccotemp L10

Eccotemp L10 Check on Amazon 1

The Eccotemp L10 is considered portable however, it is designed to be installed permanently in an outdoor area. At just over 13 inches high, installation is easy and it can be ideal for many situations including your RV, camper or cabin

  • Stainless Steel Rain Cap – It’s easy to underestimate how important this is. However, remember that this is designed for outdoor use. This means that the device itself needs to can withstand an environment which is very different from that of inside your home.
  • Safety Shutoff Timer – As an added safety feature, the Eccotemp L10 includes an automatic timer which shuts off the water heater after 20 minutes of straight water flow. The timer then will reset for another 20 minutes after the water has begun again. This ensures that the water heater does not overheat.
  • Battery Igniter – No electricity needed which is very important for an outdoor usage. The igniter is battery-powered and the water is heated by propane. This makes the water heater ideal for an off-the-grid cabin with no electrical lines running to it.
  • Garden Hose Ready – Because it is for outdoor use and we don’t always have proper plumbing routed to where we need hot water, the Eccotemp L10 comes with a garden hose adapter which easily allows you to use your standard garden hose as your source of water routed to the heater.
  • High Temperature Water – You will be surprised to find out that such a compact water heater can provide up to 165-degree Fahrenheit water at a rate of 2.5 gallons per minute. 165 degrees is too hot for a shower but because it can be used outside, cleaning something that is dirty enough that it requires scalding hot water is made easy with this water heater.
  • Requires Sufficient Water Pressure – This is true of any water heater but ensure that whatever source of water used has sufficient water pressure. A pump may be necessary.

Editor’s Recommendation

The compact size and the fact that the water heater can produce water at high temperatures make this water heater multi-functional. The sky is the limit so if you have a need for heated water somewhere on a wide expanse of property or just for a weekend at the cabin, this portable tankless water heater is for you.

Best For Office or Mobile Home : Stiebel Eltron SHC 4 Mini

Stiebel Eltron SHC 4 Mini $235.00 1

For many people, especially larger families, Stiebel Eltron SHC 4 Mini remain a good idea for saving money on your electricity bill but they’re often not capable of supplying hot water to several showers and your kitchen appliances. This Stiebel Eltron Mini-Tank solves that problem by remaining affordable and compact enough to be efficient yet designed for kitchen-use only.

  • 4 Gallon Tank – Hot water can come in handy in the kitchen but it’s not always necessary to run a line from your water heater tank or from your tankless water heater. That’s where the Mini-Tank comes in handy. It heats only 4 gallons and keeps it warm until you need it.
  • Compact Size – At under 20 inches high and under 20 pounds, this water heater mini-tank is the ideal size for easy installation. No need to take up a whole wall or cupboard. The best place for this is right under the sink or in another similar out-of-the-way location.
  • Electric Only – Once it is filled with water just plug in to a standard outlet and you’re well on your way to heated water. No complex and expensive gas lines to run from the other side of the house.
  • No Standby Time – Another possibility with a mini-tank water heater isMORE to run it from another remote heated source that’s too far away to provide sufficiently heated in a short amount of time. The mini-tank allows you to always have heated water close by and still cut down on your utility costs.
  • Easy Installation – In addition to the compact sized mentioned above, the mini-tank comes with a flat back and included installation bracket. You won’t have to be a professional to install this mini-tank and that’s always a plus.

  • Not for a Shower – Unless you take fast showers and you’re the only one doing it, the mini-tank is not an ideal option for you. This is just as well considering that it was not manufactured for that purpose but it’s relevant as people, to be as efficient as possible, will try to use this unit for that purpose and be disappointed.

Editor’s Recommendation

This unit is the perfect option for a home that already has a heated water source for the bathrooms but for whatever reason could not route the supply to the kitchen or just didn’t want to take away from the demand require by the bathrooms. Also, a great idea for the office or mobile home.

Best Electric Water Heater : EcoSmart ECO 36

EcoSmart ECO 36 $549.00 1

The EcoSmart ECO 36 promises up to 50% savings on your water heating costs. Relying on fully electric components to heat your water eliminates the need for propane or natural gas making this tankless water heater easy to install and safe. The water heater features a sleek and modern design and will look great in any bathroom!

  • Designed for Cold Climate – This EcoSmart ECO 36 is capable of warming water as low as 37 degrees and heating it at a rate of 3 gallons per minute. This means, that water at just above freezing temperatures can become heated in a surprising speed given that it was previously just a single degree from being frozen.
  • Digital Temperature Control – The EcoSmart ECO 36 features an easy-to-read digital display and is easily switched between Fahrenheit and Celsius depending on the measurement you prefer. For added convenience, the control can be adjusted in 1-degree increments.
  • Self-Modulating – Like many of the top-of-the-line water heaters, this is self-modulating which means it will adjust the amount of energy used based on how much heated water is required of the water heater. This will add to your savings!
  • Four Showers and a Sink – Per EcoSmart, the ECO 36 can supply heated water to four showers and a sink, in warmer climates, and still be able to continually supply heated water.
  • Multi-Use – In addition to using it for your showers and sink, the ECO 36 will also work for filling your jacuzzi or similar setup. Basically, anything that requires heated water, even if it needs a lot and requires extended time to fully fill whatever you need.
  • Warranty – The EcoSmart ECO 36 is a reliable but the warranty only covers parts which EcoSmart will ship to you. This require you to install or you will need to hire someone to install.

Editor’s Recommendation

Whether you live in a cold part of the world and have only two showers going at the same time or you live in a warmer part of the world and you might have four showers going at the same time, EcoSmart ECO 36 can be a good choice in either situation. In both cases, the high demand that is common with small to average sized families is exactly the niche for the EcoSmart Eco 36.

Most Lightweight Water Heater : Eccotemp L5 Portable

Eccotemp L5 Portable Check on Amazon

Have you ever needed warm water for reasons other than a shower? How about giving your dog a bath outside during the winter? The Eccotemp L5 is ideal for its lightweight design and portability which allow it to be easily moved from one place to another. Ideal for camping situations, at the beach, or off-the-grid living, the Eccotemp L5 is a great water heater that won’t disappoint.

  • Lightweight Design – The body weighs only 13 pounds so it’s easy to transport. Comes with a handle so that if it’s used in a temporary setting, perhaps while camping or at the beach to remove sand, it can hang virtually anywhere. Furthermore, if used permanently, the water heater has a bracket to allow for permanent installation.
  • 1 Gallon per Minute – More than enough for a shower or whatever else you might use it for, the Eccotemp L5 generates more than 1 gallon of hot water per minute which is impressive considering the compact design.
  • No Electricity Needed – Great for off-the-grid living, this water heater doesn’t require electricity. The water is heated by propane and ignited by two D-cell batteries. All you need is a propane tank! Talk about off-the-grid living in style!
  • Easy Setup – The water heater comes with all the fittings and adapters you need for installation so you can be sure that it will be easy. If using outdoors, no need for installation. Just hang by the handle.
  • Garden Hose Adapter – As mentioned, the water heater can be usedMORE outside but if you don’t need any sort of special setup to use it outside. It comes with an adapter that makes it garden hose-ready. When it starts to get cold outside, bathe Fido outdoors before bringing him inside!
  • 20-minute Auto Shutoff – To increase the energy efficiency of the device, it comes with a 20-minute auto shutoff feature. If you forget to turn it off, it will shut off on its own! This feature also ensures that the device doesn’t get too hot.
  • Venting – The Eccotemp L5 is not ideal for indoor use unless the room is well-ventilated. This is because the propane used by the water heater to heat the water escapes via a vent near the top and thusly in to the room itself.

Editor’s Recommendation

Great for outdoor living or for use on your next camping trip. Just because you are outdoors doesn’t mean you must forget about all the comforts enjoyed in the city. Take advantage the very portable design of the Eccotemp L5 Portable Water Heater and enjoy a hot shower wherever you are!

Best Remote Controlled Water Heater : Takagi T-KJr2-IN-NG

Takagi T-KJr2-IN-NG $489.95 1

The Takagi Tankless Water heater provides 6.6 gallons of heated water per minute while using natural gas to heat your water. Fully capable of supplying heated water for two showers at the same time, or if warmer temperatures of water are preferred, a single shower at a time. Additionally, for people living at higher elevation, the settings can be adjusted to accommodate your specific living situation.

  • Remote Control – Limitless convenience, especially if you place your water heater in a hard-to-reach spot in your home. Just use the “hot” or “cold” directional buttons to adjust to your desired temperature. Furthermore, the digital display on your remote can also indicate if there is an error with the water heater.
  • Diagnostics – As mentioned above, the remote can display error codes. Worth expanding on, these codes can reveal important information, especially if you live in a cold climate as it can indicate freezing temperatures. Additional error codes are overheating and surge protection.
  • Reliability – 15-year warranty for the heat exchanger and 5-year warranty for parts if installed by a licensed tech. However, Takagi has a reputation for building reliable water heaters and the T-KJr2-IN-NG is no exception.
  • High Temp Capability – This water heater can heat your water to maximumMORE temperature of 167 degrees Fahrenheit. The water runs at 6.6 gallons per minute at a 35 degree rise in temperature. This means you won’t have to wait very long for your heated water!
  • Multi-Functional – Because the water heater is capable of such high temperatures, it can be used for more than your shower or appliances. It can be used to heat your home! If you have a radiant heating appliance, typically used to heat the walls or floor of a home, this Takagi water heater can do the job!
  • Mounting Hardware – Only comes with drywall screws. If you are looking for something more permanent or heavy duty this may not work, the mounting holes cannot accommodate larger sized bolts. However, the mounting hardware should be sufficient. The only exception is if you prefer heavier duty hardware.

Editor’s Recommendation

The high temperature ability of this water heater combined with the remote control and the reliability of Takagi make this an ideal water heater. If your need goes beyond just a shower and you are warming your home or otherwise have a need for a water heater with power, this is the best option for you.

Full House Supply Water Heater : Stiebel Eltron Tempra 29 Plus

Stiebel Eltron Tempra 29 Plus $701.44 1

The Siebel Eltron Tempra 29 is state of the art using heavy duty parts designed to go the distance while providing uninterrupted heated water whenever you need it. Incredibly convenient interface and installation make this water heater a breeze to use. Additionally, it’s effective enough to supply your heated water to the entire house!

  • Electric – This water heater is fully electric. This means no need for venting of any type. Furthermore, this makes installation a breeze! It only needs to be plugged into an electrical outlet. No piping or tubing required. Finally, because it only heats water when you need it, you still save on your electric bill!
  • Digital Temperature Control – One of the state-of-the-art features is the digital temperature control. No more guessing if dial is in the right place to get the ideal temperature of water. Just set the dial to the preset temperature settings and the digital display shows the exact temperature chosen.
  • Advanced Flow Control – Incredibly high tech, the water heater evaluates the rate at which the water is flowing and factors in the set temperature to determine exactly the amount of electricity needed to reach the set temperature. Talk about efficient! This water heater is efficient and effective!
  • Easy Installation – Thanks to a fully electric design, the most difficult part of installing the Siebel Eltron Tempra 29 will be removing whatever method of water heating you were using before. As a bonus, the installation should be cheaper without the need for gas lines.
  • High Temp Capability – Not that you would necessarily need it, butMORE the water heater is capable of heating water to borderline extreme temperatures. You wouldn’t want to shower at 140 Fahrenheit, but the water heater is capable of those temperatures. This flies in contrast to the often-held criticism of tankless water heaters that they don’t provide truly hot water.

  • Not Ideal for Hard Water – It’s important to be aware of the composition of your water. If you have “hard water” or water with a high mineral content, this water heater may not be ideal for you as the minerals can wear on the water heater.

NG Water Heater With Best Ignition System : Bosch 520 PN NG Therm

Bosch 520 PN NG Therm Check on Amazon

The Bosch 520 is a money-saving and efficient tankless water heater which requires no electricity to warm your water. Using only natural gas to heat your water, the water heater is both safe and effective. Easy installation and problem-free design make this ideal for small families and households.

  • Piezo Ignition – The Bosch 520 uses Piezo push-button ignition which creates an electrical charge in response to high pressure. The result is a water heater that doesn’t require external power, neither an electrical outlet nor batteries are required for operation.
  • Modulate Gas Valve – A modulating gas valve maintains the temperature of the water regardless of the rate at which the water flows. This means, if you want water to come out at a higher speed, you will still have warm water versus someone who prefers a shower with less water pressure.
  • 2 Gallons Per Minute – This model puts out the maximum amount of heated water per minute of 5.2 gallons. This is a great feature and ensures that you will have plenty of heated water and you can enjoy your shower at whatever level of water pressure you desire.
  • 2 Applications at a Time – The water heater is so powerful yet efficient that I can provide heated water for 2 purposes at a time. Have two bathrooms at your house? Or perhaps you want to heat the water going to your kitchen sink? No problem! This water heater can handle both tasks at the same time!
  • Temperature Control – Not everybody enjoys a shower at the sameMORE temperature. The Bosch 520 allows you to control the water temperature. You can adjust it to whatever your preference, whether hot or just warm.
  • Economic – Only heats water when you need to use it! Decrease your carbon footprint by heating water only when necessary. Always ready to be used, but never in use when it’s not needed. That’s efficiency!

  • Residential Only – This water heater is not designed for manufactured home or other uses, like a boat or mobile home. Only for long lasting, heated water inside a permanent, residential living situation.

Editor’s Recommendation

This is a great option especially if you are looking to have two sources of heated water. No need to buy two water heaters, just buy the Bosch 520 for hot water as long as you need it! Comes with a 15-year warranty so you can buy with confidence and save money at the same time.

Best For Home or Cabin in Cold Environments : Takagi T-T-KJr2-OS-LP

Takagi T-T-KJr2-OS-LP $736.87

If you read the previous review, you’re already aware of the quality you can get from Takagi. That quality extends to this outdoor Takagi T-T-KJr2-OS-LP as well, which uses propane to heat your water. This isn’t for use outdoors but instead, it can be installed outdoors and still warm the inside of your home.

  • Internal Freeze Protection – The Takagi Outdoor comes with an internal feature which, if it remains plugged into an electrical source, will control the internal temperature of the device and thereby avoid becoming frozen. Ideal for your home or cabin in cold environments!
  • Works for Two Showers – Like the indoor variation, this can work for two showers if the desired temperature is reasonable. Also like the indoor variation, this puts out 6.6 gallons per minute!
  • Remote Control – Too cold to go outside to adjust your water heater? Or perhaps it’s just not convenient? This model also comes with a remote control so you can adjust the temperature using the digital display on the remote which also displays several very important error codes.
  • Easy Installation – Unlike other propane or natural gas water heaters, this is as easy as installing an electric water heater. The reason for the easy installation is that because it’s installed outdoors, no need for any complex vent or exhaust pipes.
  • Small Size, Big Power – These models from Takagi are theMORE smallest they offer. However, that’s not an indication of how well they work! In addition to getting plenty of heated water, these are also sure to help you save on your electricity bill.

  • Outdoor Only – Because this unit is specifically designed for outdoor installation, it cannot ever be installed indoors and in fact, should not even be installed in a semi-outdoor location. This is because it does not come with the ability to route exhaust. The propane is released directly from the unit. But this is of course not much of a problem as it will still work no matter how cold it is outside.

Editor’s Recommendation

This is great for anyone who doesn’t have the space indoors to mount a tankless water heater and lives in an area where it gets cold in the winter. If it doesn’t get particularly cold where you live, you will still find this to be a reliable water heater providing plenty of heated water for you showers, appliances and radiant heating systems.

10 Best Tankless Water Heaters To Buy In 2018
4.8 (96.25%) 16 votes

Join the Conversation

Anti-Spam Quiz:

1 comment

  1. Top 10 Wiz Reply

    Nice Post Guys! Love the videos!

    Many people tend to be satisfied with Eco Smart which is a good option for light usage and small families. Stiebel and Rinnai have some of the best tankless water heaters available, which are ideal for medium to large sized families.

    One of the greatest benefit of owning a tankless water heater is the endless hot water that it supplies. Hot water soothes pains, body aches, increases blood flow and circulation. So in short it supplies a resource “hot water” which is excellent for your health.
    Thanks Guys!