Best Outdoor Tankless Water Heater in 2022- Reviews & Buyer Guide

Are you planning for a trip and need the best outdoor tankless water heater in 2022 to ensure warm water during the whole journey? A tankless water heater is an advanced appliance that provides on-demand warm water within no time. Going for a trip or other outdoor activity with a continuous supply of warm water makes your moments happier.

When no one has time to wait on these short days, tankless water effectively plays its role. These units have shrieked during the time of the hot water production. All has become possible by the smart mind of manufacturers with similar sharp technology.

At a Glance:

We have selected the best outdoor tankless water heater to complete the preparation for your trip. All the discussed products are good to use and have a good name in the market.

Our Recomendation for Best Outdoor Tankless Water Heaters

AwardDesignTankless heater reviewsRetailer
Best outdoor tankless hot water heater
Staff Pick1. Rinnai RL94eN Tankless Hot Water Heater
Check Price
Best outdoor tankless water heater natural gas
2. Eccotemp 20H Tankless Water Heater
Check Price
Best outdoor tankless water heater propane
3. Rinnai V65eP Tankless Hot Water Heater
Check Price
Best outdoor tankless water heater gas
Budget Pick4. GASLAND BE158 Tankless Water Heater
Check Price
Best portable outdoor tankless water heater
5. Rinnai V53DeP Tankless Hot Water Heater
Check Price
Best outdoor electric tankless water heater
6. EcoSmart ECO 11 Tankless Water Heater
Check Price
Best rated outdoor tankless water heater
Best Pick7. Rinnai V65EN Tankless Hot Water Heater
Check Price
Best outdoor tankless propane hot water heater
8. Camplux 16L Propane Gas Tankless Water Heater
Check Price
Best outdoor shower tankless water heater
9. Eccotemp 45H-NG Tankless Water Heater
Check Price
Best outdoor tankless water heater natural gas
10. Camplux Pro Natural Gas Tankless Water Heater
Check Price

1. Rinnai RL94eN Tankless Hot Water Heater

Staff Pick

Best outdoor tankless hot water heater

Rinnai RL94eN Tankless Hot Water Heater
Rinnai RL94eN Tankless Hot Water Heater
Product Dimensions :‎9.6 x 14 x 24.3 inches
Item Weight :‎44.2 pounds
Size :‎9.8 GPM
Color :‎Outdoor Installation
Style :‎Natural Gas
Voltage :‎120 Volts

Rinnai is introducing a unique model that comes with advanced technology and a good flow rate. The warranty time is also good to add more attraction. In short, it comes with all the necessary features.

Flow rate

Rinnai has come up with a good model that is a maximum flow rate of 9.4 gallons per minute. The company says that this capacity is enough to supply warm water up to 6 fixtures at a time. If you own a middle house, then the usage of Rinnai RL94eN would be great.

Keep in mind the flow rate gets altered by the groundwater temperature.

Technology

The Circ-logic technology is here to serve you as it offers you a set water routine according to your schedule. Now, warm water would be available one step ahead from your side.

Safety

This unit is safe to use, as verified by SCAQMD. It produces a very less amount of emitted gases to make it safer. Plus, the Wi-Fi is capable of this product to extend its easy usage.

Design

It is a rectangle and large with a sleek gray outer appearance. The lower side of the front face has a deeper surface that houses a display screen and buttons to manage the temperature. The temperature appears in red digits to offer a clear view. The lowest side is occupied by “Rinnai name” in white that looks decent against a gray background.

Pros

  • Not for indoor usage
  • The warranty time is good
  • It comes with Wi-Fi capability
  • The flow rate is good

Cons

  • Size is very large
  • Weight is not low

2. Eccotemp 20H Tankless Water Heater

Best outdoor tankless water heater natural gas

Eccotemp 20H Tankless Water Heater
Eccotemp 20H Tankless Water Heater
Product Dimensions :‎14.9 x 5.9 x 24 inches
Item Weight :‎39.5 pounds
Voltage :‎120 Volts
Wattage :‎1440 watts
Certification :‎CSA, UL
Batteries Required? :‎No

Eccotemp is here to provide you a different model that uses natural gas as the main fuel. The output power capacity is 150,000 BTUs that makes it worthy of use. It can be installed outdoor to get non-stop hot water when needed.

Flow rate

This model of Eccotempt is very active to offer a maximum flow rate of up to 6 gallons per minute. This capacity completes the need for a medium house. You can use 2 or 3 fixtures at a time by this model.

Design

This unit has a rectangular shape and white appearance. The middle top is housed by the Eccotemp logo of red and blue. It looks too attractive against a white background. The venting options and connections are present at the bottom and the backside of this product.

Certification

CSA has approved this unit as a safer product. In addition to safety, it offers amazing efficiency. It comes with an energy efficiency of 0.83. This feature has made it the best product to save energy.

Technology

This unit has been bundled with smart and advanced technology to support you more in need of warm water. In short, this system is worth using due to its amazing features.

Pros

  • Can be installed indoor
  • Safe to use
  • Save the space
  • Installation is simple
  • Less in width

Cons

  • The price is steep
  • Not for commercial usage

3. Rinnai V65eP Tankless Hot Water Heater

Best outdoor tankless water heater propane

Rinnai V65eP Tankless Hot Water Heater
Rinnai V65eP Tankless Hot Water Heater
Item Weight :‎47.4 pounds
Product Dimensions :‎9 x 14 x 23 inches
Color :‎Propane
Style :‎Propane
Pattern :‎Heater
Voltage :‎110 Volts

Rinnai is here to introduce you to a different model that is safe to use and comes with a simple interface. It can offer warm water up to fixtures at a time. You can use it with confidence while ensuring safety.

Flow rate

This unit of Rinnai comes with a flow rate of 6.3 gallons per minute. This amount is not enough for a commercial purpose, but for a middle home, this product is enough. In terms of fixtures, it can supply warm water up to 3 to 4 fixtures at a time.

Mobile app

Rinnai is different from the rest of its competitors due to its integrated mobile app. It comes with a Control-R 2.0 mobile app that offers to set a warm water schedule according to your routine. Plus, you can put this device to vacation mode if not needed.

Design

It is large and rectangular with a white appearance. Like other models of its breed, the front face is simple, with the Rinnai logo on the lower side. The venting and connections are present on the lower side of this unit. In short, install this unit, and it would not look odd.

Warranty

Though it does not provide a lifetime warranty, yet it is still good. For heat exchangers, they offer a warranty time of 10 years. While parts and labor enjoy a warranty of 5 and 1 year, respectively.

Pros

  • It comes with a mobile app
  • Very strong composition
  • Simple to use
  • Safe for environment
  • Capable of Wi-Fi

Cons

  • Size is large
  • Price is a bit high

4. GASLAND BE158 Tankless Water Heater

Budget Pick

Best outdoor tankless water heater gas

GASLAND BE158 Tankless Water Heater
GASLAND BE158 Tankless Water Heater
Item Weight :‎15.44 pounds
Product Dimensions :‎11.8 x 6.1 x 17.3 inches
Size :‎6L
Color :‎White
Voltage :‎3 Volts
Wattage :‎12000 watts

This water heater is safe to use due to its multiple protective features. The design is compact that makes it very portable. You can save energy by installing at the point of use or other indoor places.

Flow rate

The flow rate of this Gasland model is 1.58 gallons per minute. If you own a small home, then you can purchase to entertain 1 to 2 supplies at a time. Alternatively, it can be used as a point of use.

Design

The shape is a rectangle with a clear white external body. The top area locates the Gasland logo in red that looks attractive against a white background. The digital screen, along with temperature control knobs, are present at the end. 

Protection

Amazingly, it comes with anti-freezing technology that resists the freezing of water in the cold surrounding. Moreover, this unit is very active to shut itself off when the temperature reaches higher than 167 Fahrenheit. Therefore, no chance for overheating produces.

Demand

You would get unlimited warm water from this efficient unit. The maximum output of this unit is 41,000 BTU per hour. This model does not persist in preheating the unit. Olis, the pressure range offered by this product is 2.5 to 110 PSI that is good to use.

Energy efficiency

This unit lets you save energy up to 11.5 percent. The gas is consumed very little with the courtesy of its advanced technology. Plus, these would be minimized burning noise.

Pros

  • Portable to use
  • Less power consumption
  • Least burning noise
  • Light in weight
  • Moderate price tag

Cons

  • Not for indoor installation
  • Not for a large house

5. Rinnai V53DeP Tankless Hot Water Heater

Best portable outdoor tankless water heater

Rinnai V53DeP Tankless Hot Water Heater
Rinnai V53DeP Tankless Hot Water Heater
Item Weight :‎33 pounds
Size :‎5.3 GPM
Color :‎V53DeP – Propane/5.3 GPM
Style :‎Propane
Batteries Required? :‎No

It is time to get the introduction about Rinnai V53DeP that comes with a flow rate of 5.3 GPM. Not only is its design too simple, but also the installation is not a problem. Overall, it is a nicer heater to use.

Flow rate

This is a different model from the list of Rinnai. It comes with a flow rate of 5.3 gallons per minute. This capacity is enough to complete the demand for a middle home. But it does not make enough for commercial or industrial usage. While using this Rinnai model, you can happily get warm water from 3 to 4 fixtures at a time.

Design

This best outdoor tankless water heater has a rectangle shape like other models of its breed. The white body looks decent that is clear and simple. The front panel has just the red logo of Rinnai that is present at the lowest middle side. The lower face houses the venting options for multiple connections. The upper back has an integrated stand that supports wall mounting.

Mobile app

The Control-R 2.0 mobile app is here to set the schedule of warm water according to your routine. Alternatively, you can switch the unit to vacation mode when not needed.

Warranty

For heat exchangers, you are offered a warranty time of 10 years. On the other side, parts and labor get a warranty duration of 5 years and 1 year, respectively.

Pros

  • Safe for environment
  • Strong design
  • Simple to use
  • Installation is not complex
  • Great energy efficiency

Cons

  • The flow rate is not too high
  • Not portable due to large size

6. EcoSmart ECO 11 Tankless Water Heater

Best outdoor electric tankless water heater

EcoSmart ECO 11 Electric Tankless Water Heater
EcoSmart ECO 11 Electric Tankless Water Heater
Item Weight :‎6.5 pounds
Product Dimensions :‎3.75 x 8 x 11.5 inches
Color :‎White
Style :‎ECO 11
Voltage :‎220 Volts
Wattage :‎13000 watts

We are introducing you to an EcoSmart model that is compact enough to save space. It comes with an energy efficiency of 60 percent. Plus, the LED screen is very clear to show the readings.

Energy efficiency

While using ECO 11, you can save 60% of energy. Not only save energy but also this unit is compact enough to save space.

Display

The LED screen is very clear and bright. You can adjust the temperature and get updates according to your demand.

Design

The external appearance is white with a digital screen at the front face. Not very large, it is portable to use at any outdoor place.

Temperature

The temperature range offered by this product is 80 Fahrenheit to 140 Fahrenheit. You can adjust the temperature according to your demand by using the integrated buttons.

Pros

  • Produce extremely warm water
  • Tag price is affordable
  • Installation is not complex
  • Looks very stylish
  • Very energy efficient

Cons

  • May produce voice during working
  • It takes time to heat the water in cold

7. Rinnai V65EN Tankless Hot Water Heater

Best Pick

Best rated outdoor tankless water heater

Rinnai V65EN Tankless Hot Water Heater
Rinnai V65EN Tankless Hot Water Heater
Item Weight :‎47.4 pounds
Product Dimensions :‎9.6 x 14 x 24.3 inches
Size :‎Large
Color :‎White
Style :‎Natural Gas

Rinnai V65EN has come up with advanced technology to offer you warm water. The flow rate is not too high but enough to meet the need for 4 to 5 people.

Flow rate

Meet another model of Rinnai that uses natural gas as the power source. It comes with a flow rate of 6.3 that is enough for a middle-sized home. You can get a generous water supply up to connections with this unit.

Energy efficiency

This unit has an energy factor of 0.82 that announces that it is very energy efficient. No extra cost is provided by using this water heater.

Safety

This unit meets the standards of safety as it produces a very little amount of nitrogen oxide. It is made for outdoor installation that is not difficult to proceed with.

Pros

  • Produce low nitrogen oxide
  • Strongly energy efficient
  • Simple installation
  • Easy interface

Cons

  • The tag price is high
  • Size is large

8. Camplux 16L Propane Gas Tankless Water Heater

Best outdoor tankless propane hot water heater

Camplux 16L Propane Gas Tankless Water Heater
Camplux 16L Propane Gas Tankless Water Heater
Item Weight :‎36 pounds
Product Dimensions :‎17.32 x 7.87 x 27.56 inches
Size :‎16L
Color :‎White
Voltage :‎3 Volts
Wattage :‎32 KW

Camplux has come up with a different model that is efficient and safe to use. It provides instant warm water using the power of propane gas.

Flow rate

This unit of Camplux comes with a flow rate of 4.22 gallons per minute. This unit meets the demand of 2 to 3 people with this flow rate. Talking in terms of connections, this mode of Camplux is enough to provide warm water up to 1 to 2 fixtures. Alternatively, it can be used as a point of use, if needed.

Safety

It comes with multiple safety features that include anti-freezing protection, over-current protection, flame failure device, and more.

Display

The screen is clear to read and gives quick updates about the temperature. The digits appear red that look clear against the black background.

Deign

With a rectangle shape and white color, it looks too decent. The front face houses display and knobs at the lowest side.

Pros

  • The outlook is great
  • Strongly energy efficient
  • Safe to use
  • Lightweight

Cons

  • Not for commercial usage
  • Flow rate is low

9. Eccotemp 45H-NG Tankless Water Heater

Best outdoor shower tankless water heater

Eccotemp 45H-NG Tankless Water Heater
Eccotemp 45H-NG Tankless Water Heater
Item Weight :‎38 pounds
Product Dimensions :‎22 x 15 x 6 inches
Size :‎6.8 GPM
Color :‎White
Style :‎Outdoor Natural Gas
Voltage :‎110 Volts

Eccotemp is here to introduce you to a bit expensive product that is simple to use and install. You can use this product with confidence as it comes with multiple protective features.

Flow rate

This unit of Eccotemp comes with a flow rate of 6.8 gallons per minute. With this capacity, you can entertain 4 to 5 fixtures in a middle-sized home. This capacity is not enough to use on the commercial level.

Certification

CSA has verified this product is safe to use. So, it can be used with confidence, and it would not hurt your environment. It produces a very less amount of gasses that have no adverse effects on the environment.

Installation

The installation process is straight and too simple. You do not need venting when dealing with this model. You can mount this tankless water heater with the wall and carry on your routine.

Design

Its design is compact enough to save space at your place. The white exterior looks very decent that is too simple, and has a company logo at the front. The connection options are present on the lower side of this product.

Pros

  • Compact and light in weight
  • Venting is not needed
  • Installation is simple
  • The outer look is decent

Cons

  • The price tag is high
  • Not for commercial purpose

10. Camplux Pro Natural Gas Tankless Water Heater

Best outdoor tankless water heater natural gas

Camplux Pro Natural Gas Tankless Water Heater
Camplux Pro Natural Gas Tankless Water Heater
Item Weight :‎49.7 pounds
Product Dimensions :‎22.24 x 15.55 x 6.5 inches
Color :‎White
Power Source :‎AC
Voltage :‎120 Volts
Wattage :‎52 KW

Specifically built for indoor installation, Camplux has come up with an advanced model that offers flow control. Plus, with an energy factor of 0.82, it has won the race. A large variety of features has made this choice too perfect.

Flow rate

Camplux has come with its Pro model that offers you a flow rate of 6.68 gallons per minute. It would be enough to fulfill the residential demand. According to manufacturers, this capacity is good for 3 to 4 people. Its flow control is worth mentioning that ensures a warm eater every time. More than one fixture would get warm water at the same time.

Protection

CSA has approved it safe to use the product. A large variety of safety features is bundled in this unit. These protective features include overheating protection, anti-freeze protection, and a flame failure device. Your system would start heating automatically when the temperature drops to 40 F. 

Installation

This unit has been designed to cope outdoor environment. The process of installation is too easy to follow. The company advises you to get the services of the professionals and enjoy the flawless installation. 

Plus, a remote control device is offered that is bundled with a digital display. It has 3.3 feet cord to ensure effortless usage. 

Supportive functions

The energy factor of 0.82 has made this model super-amazing. The production of nitrogen oxide is very low, making it safe for the environment. The measured amount of nitrogen oxide is 9.5 ppm. So, your environment remains safe and sound. It comes with an output power of 180,000 BTUs that is too amazing.

Pros

  • Produces less nitrogen oxide
  • It comes with advanced water flow
  • Installation is super-easy
  • It comes with a simple interface
  • Efficient to use

Cons

  • The price is somewhat high

Buying Guide

Purchasing the good best outdoor tankless water heater in 2022 is not as simple as it looks. A large variety of quick parameters need your attraction to offer you the best. We are going to introduce you to quick guidelines that are the demands of today’s market. In addition to the flow rate, you need to focus on the power source, technology, and similar others.

Power source

The tankless water heater comes with different power sources to offer you a large variety. The power may be offered by natural gas, propane, or electricity. Never go for a type that is difficultly available in your location. Before making your choice final, always check which power source is offered by the water heater in question.

Flow rate

Each tankless water heater comes with a different integrated flow rate. Plus, it may differ according to groundwater temperature. For a small house, you can go for a small flow rate. But, if you own a small house or need a heater for industry usage, then the maximum flow rate would be good.  

Location

The location and surrounding temperature also matter a lot for selecting a tankless water heater. If you live in extreme cold, you need a product with a good flow rate to balance the lowest temperature. On the other hand, if your living location does not have an extreme cold but medium temperature, then a low flow rate would be enough.

Technology

Water heaters are equipped with different technologies. It may be full temperature control or self-modulation technology. Try to pick the one with technologies according to your demand.  

Budget

Budget is one of the main features that should not be ignored. You know, it is not the product that one buys again after a couple of months. So, we are recommending you fix the budget a bit higher to get a long-lasting product. Otherwise, you can limit the features, so you do not have to compromise on quality. 

Warranty

The tankless water heater comes with a different time of warranty. Some are providing a 1-year warranty to 12 years or for a lifetime. Our suggestion is to give priority to the unit’s longest warranty. In this way, you would save the cost in the future. 

AwardDesignTankless heater reviewsRetailer
Best outdoor tankless hot water heater
Staff Pick1. Rinnai RL94eN Tankless Hot Water Heater
Check Price
Best outdoor tankless water heater natural gas
2. Eccotemp 20H Tankless Water Heater
Check Price
Best outdoor tankless water heater propane
3. Rinnai V65eP Tankless Hot Water Heater
Check Price
Best outdoor tankless water heater gas
Budget Pick4. GASLAND BE158 Tankless Water Heater
Check Price
Best portable outdoor tankless water heater
5. Rinnai V53DeP Tankless Hot Water Heater
Check Price
Best outdoor electric tankless water heater
6. EcoSmart ECO 11 Tankless Water Heater
Check Price
Best rated outdoor tankless water heater
Best Pick7. Rinnai V65EN Tankless Hot Water Heater
Check Price
Best outdoor tankless propane hot water heater
8. Camplux 16L Propane Gas Tankless Water Heater
Check Price
Best outdoor shower tankless water heater
9. Eccotemp 45H-NG Tankless Water Heater
Check Price
Best outdoor tankless water heater natural gas
10. Camplux Pro Natural Gas Tankless Water Heater
Check Price

Frequently Asked Questions

What is the best outdoor tankless water heater?

Our top three picks are;
Eccotemp 20H Tankless Water Heater
Rinnai V65eP Tankless Hot Water Heater
GASLAND BE158 Tankless Water Heater

Can we install a tankless water heater be installed outdoor?

Yes, of course. The tankless water heater can be installed outdoor. The water heater has been designed for outdoor usage that demands no shelter for protective purposes. These are strong enough to withstand the environmental effects.

What are the famous brands that are offering outdoor tankless water heaters?

Multiple brands are available in the market that is producing tankless water heater for outdoor usage with a good name. The most prominent are Eccotemp, Rinnai, Gasland, Rheem, Camplux, EcoSmart, and more.

Conclusion

After reviewing the best outdoor tankless water heater in 2022, we conclude that not every tankless water heater is good for outdoor usage. We have selected the top most powerful product to offer warm water. The price may vary with the result of warm water at the end.

We hope that you would like the list that we have produced for your sake.

Our recommendation

If you are in a hurry and have no time to scroll through all these products, you can go for GASLAND BE158 Tankless Water Heater with a cheap budget. This unit is portable to use and composed of stainless steel and copper to bypass corrosion in addition to less price. Additionally, it produces less voice during the burning process.

Alternatively, we would recommend you get Rinnai V65EN Tankless Hot Water Heater with a high budgetIt is safe to use and provides multiple temperature ranges. Plus, its flow rate is good too. It is capable of Wi-Fi that adds extra charm to this product.


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