Top 10 Best Tankless Water Heaters in 2018

Tankless water heaters have been the go-to option for homeowners over the decades. If you are tired of taking cold showers, then this option is most likely your best bet. Well, that’s not all a tankless water heater has to offer. They still come with yet an array of other benefits.

Tankless Water Heater Reviews

You can now cut back on your water-heating bill and save on space around the house. Just make sure you have it installed closer to the faucet, appliance or shower. This helps prevent water from cooling in the pipes. Nevertheless, finding the perfect one out there can prove to be a challenging undertaking. Not to worry; here are some of the top ranking picks in town. Read on!

Best Tankless Water Heaters:

10. Rheem RTG-64DVLP Indoor Tankless Propane Water Heater

Rheem RTG-64DVLP Indoor Tankless Propane Water Heater

Kicking off this tankless water heater ranking is one device you really need to check out. Moreover, it comes with several top aspects worth a hard look.

One of those is that you can use it with a timered pump. This efficiency makes your water heater easy to use. It also adds to the overall convenience of this device. Even before you get to use it, you will love it for the easy installation.

You don’t have to spend more down the road to get a pro to install this one for you. However, you can consider getting someone to do it for you if you are not sure you can do it right. Besides, an included 10-feet thermostat wire comes in handy in the installation too.

It also comes with a UMC-117 remote control. This makes the use of your water heater both easy and fun. Another outstanding thing about this heater is that it operates silently. You don’t have to worry about any distraction from noise as it works.

09. Takagi T-H3-DV-N Natural Gas Tankless Water Heater

Takagi T-H3-DV-N Natural Gas Tankless Water Heater

This heater puts up some impressive performance on the job too. It can take on up to 10-gallons in a minute and ensure a steady flow of hot water. This should be enough to cater to two baths at once.

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If you are looking for a water heater that can offer a considerable level of safety, then this is it. You hardly have to worry about the risk of bursts or leakages that could come with electric heaters. What’s more, it is compliant with the 2012 SCAMD Rule 1146.2 that requires minimum NOx emissions.

Thanks to its computerized safety design, it doesn’t necessarily feature a pilot light. The durability is also as exciting. You can count on this heater for years, and through all seasons.

It can heat up pretty fast, even outpacing most electric units out there. So, you can have a fast and easy use of your heater for convenience. It further features the right construction for versatility.

You will be able to use this heater for anything from dishwashing, laundry or shower. When it comes to saving space and cost, this heater can come to your aid. Its compact design ensures you can fit it in a rather small space. You will also have its energy conservation performance to thank for the lower water-heating bill.

08. Rheem RTGH-95DVLN Natural Gas Tankless Water Heater

Rheem RTGH-95DVLN Natural Gas Tankless Water Heater

If you are looking for energy efficient water heater, then this indoor unit has something for you. Its stainless-steel condensing heat exchanger comes with all the much-needed efficiency. But its most outstanding aspect is by far the ideal electronic controls. These can help offer the safety and energy efficiency that you would look for in these heaters.

It also boasts an unprecedented low NOx emission performance. Safety is of the essence when it comes to using tankless water heaters. Well, this design makes it one of the safest options out there. The installation is a breeze and quite fast as well.

A quiet operation further makes this heater ideal for indoor uses. You can hear it when the fan starts, but once it has heated the water it becomes significantly quiet. Not forgetting, it delivers hot water rather quickly enough for convenience.

Also, it comes with PVC pipe that you can find essential for your connection too. You can get up to 38 feet of 3-inch PVC pipe. Alternatively, a 5 feet 2-inch PVC pipe would be a great deal too.

07. Takagi T-KJr2-IN-NG Natural Gas Tankless Water Heater

Takagi T-KJr2-IN-NG Natural Gas Tankless Water Heater

With the ability to deliver up to 6.6 gallons-per-minute, getting hot water with this heater is as fast as it can get. But there’s a lot to it than just that, especially with the versatility of this unit. Thanks to its ideal design, you can still convert it into a direct-vent unit. It all comes down to what works best for you.

Another great thing about this unit is the inlet and outlet thermostats. These ideal features help constantly monitor the water heater. A small and light construction also makes this unit great for easy installation and use. But it comes with ample room on the inside.

The unit comes with a thermostat that only takes 120V on an AC outlet. Have it set and powered on, and you start getting hot water in as little as only 5 seconds. Installing it doesn’t have to be an impossible undertaking either. You will have an easy time mounting this device on the wall.

06. Takagi T-T-KJr2-OS-LP Outdoor Propane Tankless Water Heater

Takagi T-T-KJr2-OS-LP Outdoor Propane Tankless Water Heater

So, you have been looking for a tankless water heater that you can mount outdoors. Well, this one is for you. With an internal freeze protection, you can easily install this unit outside without any worries. The performance is also impressive, thanks to its ability to push up to 6.6 gallons per minute. This maximum flow rate makes it ideal for heavy-duty use of your water heater.

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And when it comes to heavy-duty use, this water heater packs in what it takes to get the job done. It can keep your sink, shower and kitchen use catered to without any variation in the temperature.

This water heater also ensures efficient gas usage that guarantees longer use. Moreover, if you are looking for a durable water heater, this one can last you over a decade.

What’s more, you can find this unit handy for an array of uses. It can also support radiant floor heating as well as hydronic baseboard applications. And when used in the shower, it really stands out with the water temperature adjustment.

05. EcoSmart ECO 27 Electric Water Heater

EcoSmart ECO 27 Electric Water Heater

With a self-modulating technology, you can make the most out of this water heater’s efficiency. The unit can adjust the energy needed according to the amount of hot water required. Working at 27KW and 240 volts, 112.5 Amps, it packs in quite some punch for the bargain. It comes with enough power to take on the job on a stride.

You can save up to 50% on your water heating costs. But the digital temperature control proves handy too. This feature ensures the unit ensures ideal water temperature for your needs.

The material used in this unit further makes it one of the best out on the market. Its copper and stainless components offer an unprecedented efficiency. Besides, these components ensure durability. Most importantly, if you ever need a replacement, they make that easy for you too. A perfect compact design and size are something every homeowner wants. The unit does its job without taking up much space in your house.

04. EcoSmart ECO 11 Electric Tankless Water Heater

EcoSmart ECO 11 Electric Tankless Water Heater

For a robust tankless water heater, you need to check out this EcoSmart ECO. The 13KW at 240 volts operation means it comes with enough power to take on heavy-duty use. But the high energy saving advantage is what blows the competition away. With this unit, you can save up to 60% of your water heating costs. It all boils down to the self-modulating technology, which ensures use of only the necessary energy.

If you are a bit out of space, don’t worry yet. This tankless water heater will save you up to 12 cubic feet in storage space. Thanks to the compact, small size, this heater takes as less space in your house as possible. The wall mount design also ensures you can save more floor space.

With digital temperature controls, this unit gives you just that with up to 1-degree increment in the temperature. Factor in the 0.3 gallons per minute performance. And you have something more to love about this unit. You never have to worry about running out of hot water.

03. Camplux 5L Outdoor Portable Tankless Water Heater

Camplux 5L Outdoor Portable Tankless Water Heater

Sometimes a portable tankless water heater is just the perfect unit for the bargain. This one comes with the foldable handle design and compact size for easy storage and portability. You can simply set it aside or take it with you for outdoor use.

Further, it requires a low pressure to get the job done, working on only 2.5 PSI. The 12 volts water pump ensures the unit delivers about 1.2 gallons per minute. So you still have enough supply for your needs.

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This unit also takes safety a notch higher. First up, it comes with a flame failure and 20-minute automatic safety design. It further features an oxygen depletion shutoff as well as anti-freezing protection.

You will have a wide range of temperature options to choose from too. The unit can deliver hot water within 114.8 degrees F maximum and 46.4 degrees F. For 1.32 gallons per minute output, this range of temperature is quite impressive. Above all, the setup and use is just a breeze, ensuring endless hot water.

02. Rheem RTEX-13 240V Heating Chamber Water Heater

Rheem RTEX-13 240V Heating Chamber Water Heater

The market can be full of these devices, but nothing quite beats one with just the right ease of use. This one packs in an external adjustable digital thermostatic control and LED display for easy use. Its 240 V power also has what it takes to deliver a performance to reckon with too.

It also comes with a self-modulating power control. This function means the unit uses only the necessary energy to warm the amount of water needed. This can really go the distance to cut back on your energy bill. It’s no wonder this machine is up to 99.8% energy efficient.

With a simple installation, getting it in place becomes both easy and fast. So you can get it working in a matter of a few hours. Then you can take charge of the water temperature with the external controls. These offer increments of 1-degree F.

To save on the water, this unit gives out 1.5 gallons per minute on the water-saver showerhead. Best of all, you can use it both for multiple applications or point-of-use hot water needs. Wait, did we mention it is small enough not to take any significant space around?

01. Takagi T-KJr2-IN-LP Indoor Tankless Water Heater

Takagi T-KJr2-IN-LP Indoor Tankless Water Heater

The Takagi propane water heater takes the lead in this list for good reasons. Perhaps you will love it for the copper heat exchanger. Maybe you love the low NOx emission design that makes it great for both you and the environment alike. But it has yet more in store for you.

One of the things that blow the competition away is the exterior remote control that this unit comes with. With this essential feature, all it takes is the push of a button to adjust your water temperature.

Another outstanding thing is that you can see the GPM you are using at any given time. This information along with seeing the temperature of the incoming water is a great addition. If you are a data geek, then you will find this unit as intriguing as it is fun to use.

The installation is every bit as easy too. All it takes is a few hours and you have your unit where you need it. Only make sure to have 4-inch category III stainless steel venting. Another thing you will definitely love is a small size. This makes it perfect for easy use and saving you on space too.

Final thoughts

Apparently, finding the right tankless water heater on the market doesn’t have to be an impossible feat. With any of these options, you can get your needs for hot water sorted. It’s all a matter of choice. Make the most out of the efficiency of these units. Keep the water-heating bill low, enjoy the endless flow of hot water, and make things more fun for your family. With these heaters handy, life is as easy as it gets.