9 Best Outdoor Tankless Water Heater Reviews

It can get too long to heat 40 gallons of water and then take a shower. If you are staying under extreme conditions, the time taken is almost double. This is mainly because it first has to defrost the stored water and then heat it again. If you are travelling with 4-5 people, it may take almost 2 hours to complete the bath. Who would like to spend so much time when it comes to getting yourself ready and moving onto the next destination?

The solution is simple… get an outdoor hot water heater that will do your job in a few minutes. The main work function of the outdoor tankless heater is to adapt to the conditions and then heat the water. Since it is tankless, it provides instant hot water and endless flow. So you won’t have to wait for long hours of hot water at all. Since they are light in weight, it’s easier to carry them and install on the go.

However, the most daunting task in hand is to pick up the right product. Not every outdoor tankless water heater that you see will be able to satisfy the requirements. There are a lot of specifications and research that needs to be done. Of course, you are at the right place to find the best outdoor tankless heater available. Look down below to find out complete reviews and also a buying guide.

When you wish to buy the best tankless water heater according to your needs, there are a few factors which you need to consider as a primary result before choosing one. You can just look at them below to figure out which model to purchase.

• Fuel Type

One of the most important factors that you need to consider is the fuel type or the ignition type of the product. Most of the tankless based water heaters are available in two different sections. Some of them are electric-based fuel while some of them are Propane based. The propane-based models are easily available at a lower price.

• Location and Size

Another important thing that you need to consider is the location and altitude of the installation. If you are installing it at a higher altitude, you need the product to be compatible with extreme temperatures. Similarly, you need to consider the size and the requirements you have. To know the size, you need to understand how many people are using the heater at the same time.

• Application

Knowing where you will use the product is an important consideration. You need to know where you are willing to use the product and what the applications are. If it is for a bath, you will need a higher rate of flow. At the same time, if it is for small objects like dishwashing, you need to pick a product with a decent rate of flow.

1. GASLAND Outdoors BE158 Heater – Best Overall

Why is it Unique

How many heaters can provide an instant heating boost even in extreme weather. However, the BE158 has impressed me the most because of this. It comes with a maximum power output of 41000 BTU per hour to provide endless hot water. Even while I tested the product at a higher altitude, I felt that it has the best productivity for instant heating.

The overall buildup of the BE158 is created in such a way to deliver you with a lightweight structure. As a result, it also requires lower force to start heating, Comparing with the other models, you can easily find that the BE158 can easily save up to 11.5% of electricity bills on the go. To help to reduce the bills, GASLAND has introduced advanced combustion technology.

Buyer’s Experiences

One of the consumers on Amazon has quoted by saying “Works great.” He referred to the working condition of the BE158 heater and it seemed to be quite helpful. According to him, finishing up the configuration and then installing the product was easy. As a result, it took just 10 minutes to set up the heater while camping outdoors.

Best Fit For

The BE158 features anti-freezing protection that will allow you to instantly defrost the water running through the pipe. As a result, you can always get faster productivity when it comes to heating the water. But the most impressive feature is the CSA approved safety. This model includes all the advanced safety features which keep the BE158 safe from any type of gas leaks.

Pros

Comes with an installation guide

This product is easy to install

It has a compact and light-weight body

Electricity consumption is low

Comes with a 1-year warranty with the product

Cons

No batteries are present

2. Rinnai V53DeP Tankless Water Heater – Best Performance

Why is it Unique

The Rinnai V53DeP features a Control-R application to allow you to alter the settings. With the help of this mobile application, you can easily set the times, make schedules throughout the day and even you can get the ideal system. This will allow you to put the system to the vacation mode and keep it off until you complete the vacation and then result back home.

Another impressive feature is the on-demand hot water from the Rinnai V53DeP. To bring this to an effect, Rinnai uses the ThernaCirc360 technology that allows you to recirculate the hot water faster and better. Because of this, it can provide you with an endless source of hot water. With this feature, you will never run out of hot water but you need to change the filter and use it.

Buyer’s Experiences

One of the consumers on Amazon has claimed that “Very good folks. I couldn’t believe how small this unit was!” According to the owner, it is by far one of the smallest models introduced by the manufacturers to get the right productivity. To be fair, this product features a great hardware component and also includes all the safety features to make it count. Rinnai V553DeP is a great product to have.

Best Fit For

The Rinnai V53DeP seems to be a compact product that takes up very less space to fit in. This product comes with a squeezed design and a perfect shape. This will allow you to easily install the heater in small spaces like an attic or even in a closet. It seems to be a complete professional when it comes to performance and also the shape. You can save up a lot of space for installing this product.

Pros

Comes with endless hot water

It has high-efficiency ratings

The product is light in weight

10 Years warranty on the heat exchanger

It features a high water flow rate

Cons

The price is a bit high

3. EcoSmart ECO 11 Tankless Water Heater – Best Budget

Why is it Unique

The EcoSmart ECO 11 comes with a high energy efficiency rate. To be precise, it resembles almost 99.8 % energy efficiency. As a result, you can always expect this product to deliver you top-quality heating without the loss of much energy. The conversion rate is good and this is the reason why it has a high uniform energy factor of 0.98. You can expect the heating coil to deliver you a better performance.

This product comes with an easy heating mechanism that prevents heat loss and also water loss at the same time. It performs with the self-modulating technology that can instantly heat the water without even storing it. Because of this, it acts as a smart tankless water heater which is best suited for our outdoor activities providing you with comfort.

Buyer’s Experiences

One of the consumers on Amazon said: “So far I am very happy with this unit”. The owner purchased this heater back in 2017 and it seemed to be quite satisfying for him. Till today he has not faced any such problems and it has delivered a good performance.

Best Fit For

The EcoSmart ECO 11 features an easy heat temperature dial knob at the front panel. It has a specific thermostat at the front that will allow you to alter the temperature accordingly and then you will be able to choose or preset the temperature. Moreover, the temperature control is digital and it shows you the current settings. All the spare parts are easily replaceable and you can get good support from EcoSmart.

Pros

Comes in a small size

It can reduce more than 60% energy

It has a lifetime warranty feature option

Includes Self Modulating Technology for heating

You can get endless hot water

Cons

Not great for extreme cold weather

4. Rinnai V65EP Tankless Water Heater – Best Outdoor Propane Tankless Water Heater

Why is it Unique

The Rinnai V65EP comes with a durable heat exchanger that has high efficiency. Since it consumes propane fuel, it can lower the levels of electricity consumption and provide you with ultimate results. To be fair, you can get almost 10 years of warranty with the product. If you ever face any problem with the heat exchanger, the Rinnai team is just one step away.

Another impressive feature about this outdoor propane heater is the high flow rate of the heater. It comes with a decent 6.5 gallons per minute production. Not many products with such compact size can provide higher levels of productivity and water flow rate like the Rinnai V65EP.

Buyer’s Experiences

One of the consumers on Amazon said “Very good replacement for tanks on a 2 bed 1 bath rental home.” The user had earlier purchased several other tank-based models but they fairly did not impress him. However, the compact body and extreme hardware support are always reliable. The user has always been impressed with the features that the Rinnai V65EP has.

Best Fit For

The Rinnai V65EP comes with self-modulating technology that uses the flow of water to heat up. As a result, you can get endless hot water to get the best results. At the same time, it has a Control-R application that will allow you to get the best settings and control features. With just a single click you can alter the temperature and set timers that will help you to get the right result.

Pros

Comes with a high-efficiency heater

This product features low NOx emissions

Comes with inbuilt safety features

No venting installations needed at all

It performs well at higher altitude

Cons

Not for big requirements

5. Ecosmart ECO 18 Electric Tankless Hot Water Heater – Best Outdoor Electric Tankless Water Heater For Camping

Why is it Unique

The Ecosmart ECO 18 comes with high-quality materials for the buildup. All the internal components are properly constructed that provides you with top-notch quality and material. Precisely, this product comes with copper and stainless components that will deliver you with proper results. Because of the copper material, it becomes much easier to heat the water.

The Ecosmart ECO 18 comes with new self-modulating technology. This technology is designed to save up the energy and be efficient with this. As a result, you can expect this product to deliver you quick hot water without wasting much energy. Overall, Ecosmart guarantees you to save up to 60% on the water heating costs.

Buyer’s Experiences

One often consumers on Amazon quoted by saying “Excellent Product, Unmatched Quality at a very reasonable price”. This review was posted exactly after one year of purchase from the manufacturer. The user has come up with complete satisfaction that has helped his commercial store requirements. To be fair, it’s one of the best devices for them to use for a long time. However, it can be a good result for camping

Best Fit For

This product comes with a small size and you will also get a digital temperature control. There’s a dial knob right at the front panel that will allow you to adjust the temperature according to the needs. It has 1-degree increments which you can easily alter according to the requirements that you have. This will help you to accurately heat the water for colder climates.

Pros

Construction and internal parts are good

It features self-modulating technology

Lifetime warranty for residential use

Copper and stainless components

It is easy to use and to install

Cons

Flow is not the best

6. Rinnai V65eN Outdoor Natural Gas Tankless Water Heater – Best For Low Energy

Why is it Unique

This product features instant hot water on demand that will deliver you a constant solution to your problems. But the one factor that impressed me the most is the ThermaCric360 technology that will give you a proper result. This technology has been introduced by Rinnai to cut down the costs of energy and bring up the levels of supply.

Another impressive feature of the Rinnai V65eN is the compact design and space-saving concept. Merely, this heater weighs around 47 pounds and this is the reason why it becomes easy to carry. Since it is compact in design, it also takes very less time to heat the entire unit. To be precise, the unit heats up at a rate of 120000 BTUs which makes it lightweight and compact.

Buyer’s Experiences

One of the consumers on Amazon commented as “Super Energy Efficient”. He refers to the Rinnai V65eN which becomes highly efficient for most of the people to work under extreme temperatures. The temperature control mode could have been a bit better, but it still does great work. The overall Control-R application is decent for anyone to use.

Best Fit For

One of the reasons why most of the people love this outdoor gas water heater is because it has low NOx emissions. It has been tested in various labs and you can assume this product to be fair for high-efficiency delivery and up to 6.6 Gallons per minute. This rate of delivery is sufficient for delivering a massive rate of hot water even under extreme temperatures. The low energy consumption acts as a bonus.

Pros

It can provide you with endless hot water

The product can save up valuable space

It is capable of Circ-Logic

Comes with on-demand hot water

You can get Control-R application

Cons

It’s not the best for hard water