Best Outdoor Tankless Water Heater | The Aqua Picks

There are different types of tankless water heaters available in the market, but not each of them is the perfect one for you. They have different technical features and different operating mechanisms. But you’d find the best outdoor tankless water heater here!

There are electric and non-electric gas models in the market, condensing and non-condensing models, and many more.

Hence, you have to buy the one that suits you and works perfectly with your home water. Mainly, the differentiation of the models varies upon the place of installation. Some of them are outdoor, and some of them are indoor.

However, most people prefer outdoor tankless water heaters over indoor tankless water heaters.

List of 10 Best Outdoor Tankless Water Heaters

Camplux Propane Tankless Water Heater GET IT ON AMAZON
Eccotemp L5 Tankless Water Heater GET IT ON AMAZON
Rinnai Outdoor Tankless Hot Water Heater GET IT ON AMAZON
Rinnai HE+ Tankless Water Heater GET IT ON AMAZON
Rinnai V53DeP Tankless Water Heaters GET IT ON AMAZON
EcoSmart ECO 11 Tankless Water Heater GET IT ON AMAZON
Camplux 10L Tankless Water Heater GET IT ON AMAZON
iHeat Tankless Water Heater GET IT ON AMAZON
Rinnai V53DeN Tankless Water Heaters GET IT ON AMAZON
Camplux Pro Tankless Water Heater GET IT ON AMAZON

To read out further about the best outdoor tankless water heater, scroll down!

1: Camplux Propane Tankless Water Heater – Best budget

Camplux is producing the best outdoor products for a long time. Suppose you are the kind of person who prefers propane water heaters over electric ones. Then it is the one you should go for.

However, the Camplux 5L water heater’s compatibility makes it the best outdoor propane tankless water heater.

 Functioning 

This Camplux tankless water heater works with propane. The rate of output water flow is 1.58GPM, which is quite impressive. Apart from this, this water heater also offers a low water pressure ignition system. This system ensures that the heater works even when the water flow pressure is low, i.e., 2.8 PSI.

 Why is it unique? 

First of all, the portability of this heater is the most impressive thing about it. In case you want to cane the Camplux water heater’s place, you can change it easily without any hassle. Moreover, the optimal design ensures low energy consumption.

Additionally, the heater has a simple functioning and easily installable. Apart from this, it is incredibly compatible. Hence, it can work on both maximum, i.e., 114.8 and minimum 46.4 temperature, for a 1.58 GPM flow rate.

 Buyer’s Experience 

Firstly, the buyer mentioned that this best portable tankless propane water heater is tremendously safe. It offers anti-freeze and dry-consumption protection. Alongside, it also features an oxygen depletion safety auto shut-off and flame failure device.

Not only this, it gives the maximum yield of 41,000 BTU/hr. Moreover, it can work on the minimum and maximum water pressure, i.e., 3 and 110 PSI, respectively.

Lastly, we would like to mention the convenient feature, i.e., it weighs only 14 lbs.

Specifications
  • Dimensions 11.6 x 4.3 x 17.3 inches
  • Camplux 12V 1.2GPM water pump
  • 1.32 gallons/minute
Pros
  • Comes with several accessories
  • Easy installation
  • Easy to use
  • Temperature control feature
  • Best for outdoors
  • Reliable and durable
Cons
  • Short showerhead
  • Hose quality needs to be improved

 Final Verdict 

Briefly, if you want a portable tankless water heater for outdoor use that not only provides great output but safety too. Nothing can get better than Camplux 5L Outdoor Portable Propane Tankless Water Heater.


2: Eccotemp L5 Tankless Water Heater – Best for safety

As another best outdoor tankless water heater, we have Eccotemp L5 on our list. The Eccotemp is the highly portable and instant tankless water heater selling the most in the market.
It gives endless hot water output and consumes less amount of energy. Moreover, it is extra efficient and quick.

 Functioning 

The Eccotemp tankless water heater offers a battery-powered ignition. It works between 50-140 degrees F. Moreover, it can run even at the low water flow rate, i.e., 20 PSI. Apart from this, it comes with several accessories, i.e., a showerhead, garden hose adapter, and a CSA regulator for a grill propane tank.

 Why is it unique? 

The first thing that makes it the best outdoor tankless water heater 2021 is, it gives the hot water output at the flow rate of 1.5 GPM. Moreover, it can also be used for camping, off-grid, and outdoor shower use due to the high portability and lightweight.

 Buyer’s Experience 

Eccotemp tankless water heater is a stunning water heater. It weighs only 14 lbs. It has convenient temperature controls and comes with an instruction annual for the user’s ease.

Moreover, if the heater is not turned off for the user’s safety even after 20 minutes, it shuts off automatically. Similarly, if the heater is on for a longer time at more than 45 degrees F, it also shuts off at that time.

Lastly, it arrives in an easy packaging and compact size for convenience.

Specifications
  • Works between 50-140 degrees F
  • Hot water output at the flow rate of 1.5 GPM
  • Auto shut-off safety feature
Pros
  • Value for money
  • Convenient to use
  • Auto shut-off safety feature
  • Works at the low water pressure too
  • Gives endless output
Cons
  • Doesn’t work in an intensely cold temperature
  • Not that durable

 Final Verdict 

To sum up, if you live in an area with moderate temperature, Eccotemp tankless water heater is the perfect one for you. Compatibility, portability, efficient functioning and the compact design enlist it among the best outdoor propane tankless water heater.


3: Rinnai Outdoor Tankless Hot Water Heater – Best buildup

Rinnai outdoor tankless water heater is a Japanese made water heater. The Japanese products always stand out from the other products in the market, so the Rinnai Outdoor Tankless Hot Water Heater is doing.

Above all, this Rinnai tankless water heater can be used for both commercial and residential use. This shows that this water heater is highly compatible.

 Functioning 

First of all, the Rinnai tankless water heater offers a water flow rate of 6.5 GPM that is more than enough. Moreover, this water heater runs on liquid propane and gives you an endless yield at a minimum time.

 Why is it unique? 

The most stunning features of this best outdoor propane tankless water heater are the control-R 2.0 app. It has timers and enables you to schedule the water heater to turn on and off for your convenience. Hence, it works remotely too.

Similarly, it also offers a vacation mode. Additionally, it has a compact and space-saving design and can be placed in any outdoor area easily.

 Buyer’s Experience 

According to the buyers, it is a bit heavy, i.e., 47.4 lbs. The efficient functioning and compatibility fade away the weightage issue. It has a temperature preset control so that one can set the temperature according to the requirement.

Additionally, it offers easy installation and can serve two bathrooms at a time depending upon the underground water temperature.

Specifications
  • Water flow rate of 6.5 GPM
  • Control-R 2.0 app
  • Offers vacation mode
Pros
  • Highly compatible
  • Durable and long lasting
  • Offers vacation mode
  • Convenient and offers control-R 2.0 app
  • Gives endless hot water output
Cons
  • A bit heavier

 Final Verdict 

Shortly, apart from the weightage issue, this Rinnai offers more than just a water heater. Convenience and compatibility makes it the tough competitor in the market.


4: Rinnai HE+ Tankless Water Heater – Best for installation

Rinnai is considered the best portable tankless water heater due to its incredible efficiency. This unit is specifically designed for outdoor use and supplies enough hot water to the whole house.
Moreover, it is made with high-quality materials and highly durable if it is made for outdoor purposes.

 Functioning 

The Rinnai RL series water heater runs on propane and is large enough. It works efficiently and quickly that the user doesn’t need to wait for the hot water. Apart from this, it offers circ-logic technology that enables the user to set the recirculation pattern.

Hence, the recirculation pattern corresponds to the habits and schedule of the user.

 Why is it unique? 

The uniqueness of this water heater depends upon the water flow rate of output. It gives the hot water output at the rate of 9.4 GPM. Thus, it can supply water to all the water outlets in the house easily.

However, it also depends upon the underground water flow rate.

 Buyer’s Experience 

Buyers stated that the Rinnai RL series water heater has the ability to supply water at 5 outlets at a time. Apart from this, it consumes less amount of energy. It weighs 44.3 lbs. that makes it the durable and tough one.

How can we forget warranty! It offers 120 months warranty to the users.

Specifications
  • Offers circ-logic technology
  • Hot water output at the rate of 9.4 GPM
  • Weighs 44.3 lbs
Pros
  • Easy installation
  • Quick and efficient
  • Long lasting and durable
  • Remote control
Cons
  • Heavy than most of the other water heaters

 Final Verdict 

Briefly, there might best tankless water heaters in the market, better than this. But they cannot match the compatibility and efficiency level of this water heater.


5: Rinnai V53DeP Tankless Water Heaters – Best efficiency

When it comes to working efficiency, Rinnai V53DeP has most of the people. And why not? It gives 5.3 gallons of hot water/minute. It is considered the best outdoor tankless water heater because it works efficiently at every water flow rate without any hassle.

 Functioning 

This water heater runs on propane and heats up to 5.3 gallons of water per minute. So, you’d like to carry it everywhere with you. Not only this, it has ThernaCirc360 technology that enables the user to recirculate the hot water quickly and efficiently.

 Why is it unique? 

First of all, it has a control R app. If you want to change the settings, you can easily do it via this app. Moreover, with this app, you can schedule the water heater and set the timer.

Additionally, it also features a vacation mode. You can turn it off when you are on vacation and turn it on when you are back home.

 Buyer’s Experience 

The compact size of this water heater has amazed the users. Hence, it takes a small space for installation and saves up a lot of space of yours. Moreover, it gives a higher amount of output and works quietly and quickly.
Lastly, it also ensure the safety of the users and offers an auto shut-off feature.

Specifications
  • Gives 5.3 gallons of hot water/minute
  • ThernaCirc360 technology
  • It has a control R app
Pros
  • Auto shut-off safety feature
  • Light in weight
  • Provides large amount of output
  • 10 years warranty on the heat exchanger
  • High water flow rate
Cons
  • It’s a bit pricy

 Final Verdict 

Shortly, it is a best outdoor tankless water heater 2021 for the person who can afford it. So, if you can afford a pricy water heater, go for this one!


6: EcoSmart ECO 11 Tankless Water Heater – Best energy saving

If you are looking for the best outdoor electric tankless water heater on a friendly budget, try EcoSmart ECO 11 Electric Tankless Water Heater. It saves about 60% energy and still works incredibly.

The low budget makes it easily reachable for most people.

 Functioning 

Importantly, it saves a lot of energy and still provides a large amount of hot water in a minimum time. Not only this, it has a high uniform energy factor, i.e., 0.98, due to the good conversion rate.

Moreover, it offers an easy and simple heating mechanism, and it doesn’t only save energy but water too. Also, it runs on electricity and offers a large yield of hot water.

 Why is it unique? 

It offers a lifetime warranty along with portability. The EcoSmart ECO 11 Electric Tankless Water Heater is made up of high-quality material. Thus, perfect for the outdoor.

Moreover, it offers an easy heat temperature dial knob at the front of the water heater. Similarly, the thermostat is fixed at the front. Hence, you can change the temperature settings according to your requirement.

 Buyer’s Experience 

Buyers stated that they would choose this water heater again and again due to its reliability and durability. This water heater features digital temperature control and shows the current settings for the user’s convenience.

Lastly, it is easily installable.

Specifications
  • Saves about 60% energy
  • High uniform energy factor i.e. 0.98
  • Heat temperature dial knob
Pros
  • Compact size
  • Saves up-to 60% energy
  • Lifetime warranty
  • Features self-modulating technology
  • Gives large amount of yield
Cons
  • Not suitable for extremely cold weather

 Final Verdict 

In short, if you want a best outdoor electric tankless water heater 2021. Then, nothing can match the standards of EcoSmart ECO 11 Electric Tankless Water Heater. It is best overall!


7: Camplux 10L Tankless Water Heater – Best Outdoor Portable

Here, we are presenting another best outdoor propane tankless water heater by Camplux. If you are a kind of person who loves camping, you should give a chance to this water heater.

As it is a highly portable, compact, and lightweight water heater. Hence, one can carry it easily along with them.

 Functioning 

First of all, due to the high-quality build-up, it is the perfect option for outdoor use. It works on propane but saves a lot of energy during summers, but it still gives enough hot water. Moreover, it offers a 12V 1.6GPM water pump.

It also saves 60% of water heating costs by consuming less energy than the other water heaters.

 Why is it unique? 

Camplux 10L comes with CSA certified safety standards. It offers a flame failure device, anti-freezing protection, and overheating protection to save the user from any unhappy incident.

Moreover, it overs a digital display and dial knobs at the front panel. Thus, you can set the temperature of the water heater depending upon your requirement.

 Buyer’s Experience 

Most buyers stated that this water heater is an unmatchable appliance that comes with a lot of features at a reasonable price. It can be used for both commercial and residential use. Apart from this, it offers a lifetime warranty.

Do not forget the plus point that you can also take it along for camping!

Specifications
  • 12V 1.6GPM water pump
  • Comes with CSA certified safety standards
  • 11.5% energy saving technology
Pros
  • High quality build up
  • CSA certified safety standards
  • Energy efficient
  • Easy installation
  • Convenient usage
Cons
  • Flow rate is not that exceptional

 Final Verdict 

To sum up, it you are an adventurous man and often goes for camping trips. Camplux 10L propane Tankless Water Heater is the best choice for you in an affordable price.


8: iHeat Tankless Water Heater – Best temperature control

If you live in a small house and want an ultra-compact and lightweight tankless water heater, iHeat Tankless Electric Water Heater is the best one then!

Let’s find out why it is considered the best outdoor electric tankless water heater.

 Functioning 

As the name shows, this water heater works on electricity. Apart from this, it is highly portable and compatible. You can use it any outdoor place, wherever you want. Moreover, it has a water flow rate of 3.5 GPM and operates between 80 and 140 degrees F.

 Why is it unique? 

Compact and space-saving design are the significant features of this water heater. It is very lightweight, and even if you want to change the heater’s place, you can do it without any hassle.

 Buyer’s Experience 

Buyers have good reviews regarding this tankless water heater as it offers a lot of features and extra-ordinary performance at an affordable price.

With a lifetime warranty it will eventually become very dependable.

Specifications
  • Flow rate of 3.5 GPM
  • Operate between 80 and 140 degrees F
  • Saves 60% of water heating cost
Pros
  • Water proof and corrosion free construction
  • Compact size and space saving design
  • Saves 60% of water heating cost
  • Durable
Cons
  • Installation is tricky and challenging
  • It doesn’t suit in the too hot or cold climate

 Final Verdict 

Having a water heater in an affordable price with stunning performance is not less than a blessing. So, do not miss a chance and grab it now!


9: Rinnai V53DeN Tankless Water Heaters – Best portable

Last, in our list for the best outdoor tankless water heater, we have Rinnai V53DeN Tankless Water Heaters. It will surely amaze you while being a low budget water heater along with all the safety features and affectionate performance.

 Functioning 

This water heater is so portable and lightweight. The compact size makes it perfect for mobile homes. However, it works on natural gas and is considered the best outdoor natural gas tankless water heater.

 Why is it unique? 

This water heater’s unique quality is that while being compact and small-sized, it still gives hot water output at the rate of 5.3 GPM. Moreover, it can serve two bathrooms at the same time.

 Buyer’s Experience 

Buyers have shown positive reviews regarding Rinnai V53DeN Tankless Water Heaters. But they also didn’t like the high budget of this water heater.

But, don’t you think that is a water heater is working in an exceptional way and offers stunning features, than spending money isn’t an issue.

Specifications
  • Gives hot water output at the rate of 5.3 GPM
  • Works on the natural gas
  • Control-R 2.0 mobile app
Pros
  • Ultra-compact
  • Easy installation
  • Portable and space saving
  • Provides endless yield of hot water
  • Perfect for outdoors
Cons
  • A bit pricey

 Final Verdict 

If you are a traveler and want a portable tankless water heater along with you. You should go for Rinnai V53DeN Tankless Water Heaters.


10: Camplux Pro Tankless Water Heater – Best for low energy 

If you find the best portable outdoor tankless water heater that will accompany you during a trip, Camplux Pro On-Demand tankless water heater is the one! This water heater offers a lifetime warranty. It is also enlisted as the best outdoor propane tankless water heater.

 Functioning 

Camplux Pro On-Demand runs on liquid propane for extra-ordinary performance. It consumes a very less amount of gas.

If offers two adjustable knobs, in case you want to change the temperature settings. The knob also controls the water flow rate.

 Why is it unique? 

The most impressive thing about this is it is CSA certified for multiple safety protection. It offers a flame failure device, anti-freezing protection, and overheating protection for ultimate safety and protection.

It decreases the emission of NOx at a rate of 9.5 ppm and improves the water heater’s heating mechanism. Apart from this, it comes with digital remote control and a 3.3 feet cable for convenient flow control.

 Buyer’s Experience 

Buyers have shared good reviews about this water heater. This water heater is so quick and heats up to 6.86 gallons in a minute.

Additionally, it has an instruction manual. Lastly, it has a compact and space saving design for your convenience.

Specifications
  • Runs on the propane gas
  • Heats up to 6.86 gallons in a minute
  • Maximum power output 180,000 btu/hour
Pros
  • Lightweight and portable
  • Compact and space saving design
  • Comes with temperature control settings
  • Heats up to 6.86 gallons per minute
Cons
  • Challenging installation

 Final Verdict 

For residential purposes, Camplux Pro On-Demand tankless water heater is the best one under a friendly budget.


Conclusion

Outdoor tankless water heaters aid you a lot, especially in the cold weather. But every water heater has different features and work under different circumstances. So, always go for the one that works perfectly for your household.
We have provided you the reviews of the 10 best outdoor tankless water heaters. Now, you have to choose the perfect one.

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