Top 6 Best Outdoor Tankless Water Heater Review And Guides 2020!

The outdoor tankless water heater is the heating device that really requires to be fitted outdoor; it can really save the space of your house, particularly for the small studios. Facing a lot of companies and types of outdoor tankless water heating unit’s specifications and brands, there are a few instructions on selecting the perfect one and the best outdoor tankless water heating systems. Therefore, we have made an outdoor tankless water heating machine review for you below:

Contents

List of Top 6 Outdoor Tankless Water Heaters:

IMAGE PRODUCT Dimensions Weight
Outdoor
Rheem RTG-95XLN Outdoor Whole HOuse Tankless Water Heater Low NOx 9.5 GPM 2020
Rheem RTG-95XLN 9.5 GPM Low NOx 14 x 10 x 26 inches 54 pounds CHECK ON AMAZON
Outdoor Propane
Rinnai V65EP 6.6 GPM Low NOx
Rinnai V65EP 6.6 GPM Low NOx 9 x 14 x 23 inches 47.4 pounds CHECK ON AMAZON
Outdoor Natural Gas
Rheem RTG-84XLN 8.4 GPM Low NOx Outdoor Tankless Natural Gas Water Heater reviews
Rheem RTG-84XLN Tankless 14 x 10 x 26 inches 54 pounds CHECK ON AMAZON
Outdoor Natural Gas
Takagi T-KJr2-OS-NG
Takagi T-KJr2-OS-NG 6.7 x 13.8 x 20.5 inches 38 pounds CHECK ON AMAZON
Outdoor Propane
Camplux 5L 1.32 GPM Outdoor 2020
Camplux 5L 1.32 GPM Portable 11.4 x 4.3 x 14.8 inches 14.11 pounds CHECK ON AMAZON
Outdoor Natural Gas
Rinnai-RL94eN-Tankless
Rinnai RL94eN Tankless 14 x 10 x 23 inches 44.3 pounds CHECK ON AMAZON

Best Outdoor Tankless Water Heaters Reviews:

1. Rheem RTG-95XLN 9.5 GPM Low NOx Outdoor Tankless Natural Gas Water Heater:

Rheem RTG-95XLN Outdoor Whole HOuse Tankless Water Heater Low NOx 9.5 GPM 2020

 

Features:

  • High Energy Efficient:

Its thermal efficiency can reach as high as ninety-four percent, which denotes just a little energy is wasted in using. Thus more energy is saved, and much cash on the heating charges is also saved to a great extent.

  • High Water Flow Rate:

The water flow rate of this tankless water heater can reach as high as 9.5 GPM. It is capable of supporting two bathrooms in the northern parts and three bathrooms usage in the southern region. Once heated up, this device is capable of supporting an endless supply of hot water for you.

  • Remote Control Accessible:

Once you download the application that comes with it on the smartphone, you’re capable of controlling the temp of the water remotely on the phone. It is apprehended all by the EcoNet smart home technology.

Pros
  • Accessible in both natural gas and propane
  • Stainless steel heating exchanger
  • Standard ten years of warranty
  • Compact Design
  • Eco-net smart house technology for remotely controlling using the application
  • Outdoor usage, need no ventilation (both for outdoor and indoor installation)
Cons
  • High installation price

2. Rinnai V65EP 6.6 GPM Outdoor Low NOx Tankless Propane Water Heater:

Rinnai V65EP 6.6 GPM Low NOx 

 

Features:

  • Simple Installation:

It can be fitted by oneself simply; one or two-inch gas line is compatible enough, so there’s no need to purchase an additional ¾ inch line. It’s also got certification for fitting in Mobile or Manufactured Homes.

  • 6 Gallons Per Minute Water Flow Rate:

6.6 GPM of water flow rate allows this tankless water heater to support several kitchen faucets and bathrooms simultaneously. Even when you make use of the heated water in several places, there’ll be no decline in temperature and flow.

  • Smart Technology:

The remote thermostat comes with it to adjust the water temp so that you’re capable of turning on the heater and adjust the temp of the water inside the home straightly. Enhanced scale detection reduces the chance of damage to the device. Thus the service life of it is quite long.

Pros
  • 82 energy factor
  • No fabrics
  • Large power
  • Temp lock equipped
  • No working noise
  • Compact and small shape
  • Low NOx design
Cons
  • Water can get cold again when you switch the tap off

3. Rheem RTG-84XLN Outdoor Tankless Natural Gas Water Heater:

Rheem RTG-84XLN 8.4 GPM Low NOx Outdoor Tankless Natural Gas Water Heater reviews

 

Features:

  • Short Waiting Time:

The waiting time on the heated water is quite short and takes just for a few secs for the heated water to flow out of the pipe. But yes, the nearer you fit the device, the faster you get the hot water.

  • 4 Gallons Per Minute Water Flow Rate:

8.4 GPM of water flow rate allows the users to get a huge amount of heated water in doing laundry or bathing. It can also support two bathrooms, and several kitchens sinks simultaneously.

  • Stylish Compact Size:

It’s designed small and compact, occupying small space. The outdoor installation allows this tankless water heater to be free from venting. The remote control is also accessible, but you have to get an additional controller.

Pros
  • The heated water flows out fast
  • Endless supply of hot water
  • Compact shape
  • Suitable for big families and homes
  • Lightweight
Cons
  • Better to hire an expert to help you in hooking it up

4. Takagi T-KJr2-OS-NG Tankless Water Heater:

Takagi T-KJr2-OS-NG

 

Features:

  • Large Power:

The gas power input of this device can reach 140000 British Thermal Units per hour, and 0.83 energy-efficient ratings can really save much cash on the heating costs per month. It’s propane and natural gas both accessible.

  • 6 Gallons Per Minute Water Flow Rate:

This outdoor tankless water heating unit is capable of meeting the demand of 2 bathrooms usage at the same time; therefore, you can make use of it for a middle or small-sized family. It’s capable of supporting constantly heated water for you.

  • Digital Remote Control:

As this tankless machine is fitted outdoor, there’s a digital remote controller for the users to switch on/off the device inside your home. It demands minimal maintenance, and the max temp can reach 150 degrees Fahrenheit.

Pros
  • Propane and natural gas accessible both
  • Compact size
  • Energy efficient
  • Large power
  • Simple installation
Cons
  • The working noise of this unit is a little loud

5. Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater:

Camplux 5L 1.32 GPM

 

Features:

  • Lower Water Pressure:

It has a low requirement of water pressure, requires just 2.5 PSI, and is capable of supporting constantly heated water. The max temp rise is 114.8 degrees Fahrenheit, and the minimum is 46.4 degrees Fahrenheit, so it’s fantastic for the camping shower.

  • Low Rate For The Travel Usage:

The water flow rate of the tankless water heater is just 1.32 GPM, only capable of supporting one bathroom or sink usage; thus, it’s not created for whole-home use but is an ideal type for traveling and for camping.

  • Simple Operated:

The anti frozen protection system is equipped together with the tinning copper tank, making this device highly anti-corrosion and heat resistance. 2 buttons are also there, one button is for the gas control while the other one is for the flow control, you can switch it on/off rapidly for controlling the flow of the water to start and stop.

Pros
  • Anti frozen protection
  • Low water pressure needed
  • Ideal for camping shower
  • Anti-corrosion
  • Simple operation and simple installation
  • Stainless steel burner
Cons
  • Can’t be utilized for the whole home
  • Hard to adjust the exact water temp you desir

6. Rinnai RL94eN Natural Gas Tankless Water Heater:

Rinnai-RL94eN-Tankless

 

Features:

  • 4 Gallons Per Minute Water Flow Rate:

The water flow rate of this tankless water heater can reach as high as 9.4 GPM, which denotes it’s capable of supporting three or four bathrooms in the warm areas and two bathrooms in the cold areas. The water temp range of residential is between 98-140 degrees Fahrenheit, if, for the commercial usage, the max temp can reach 185 degrees Fahrenheit with the commercial controller.

  • Constantly Heated Water:

This tankless water heater is capable of supplying constantly heated water for the users for long shower time; it can even support twenty-four hours shower. The temperature of the water always stays the same without decreasing even when you make use of it elsewhere.

  • Remote Control:

It’s Wi-Fi enabled as well, anywhere if the users connected with it, they can easily control this unit with simply operated touchpad and a digital display for controlling the temp of the water.

Pros
  • Eighty-three percent thermal efficiency
  • Large power range (9900 to 199000 British Thermal Units per hour)
  • Wi-Fi enabled
  • Computer remote control
  • Quiet working condition
  • Simple installation, you can fit it on your own
Cons
  • It can take a long time for the heated water to flow

Why Outdoor Tankless Water Heating Device?

Outdoor Tankless Water Heating Device1. Space Saver:

The outdoor tankless water heating machine is capable of saving a huge amount of space for the users; it is fitted outside wall of your kitchen or bathroom, so even with the small house, you can still get one for the convenient use.

2. Requires No venting Kits:

As the outdoor tankless water heating device, no matter for the gas or for the propane tankless water heating systems, there’s no need to fit venting kits, the wasted gas can be emitted directly to the air. Thus it can really save much cash in buying and fitting a ventilation facility and is much safer.

3. Save Cash:

Buying the venting kits requires a huge sum of cash, and installation charges of it are also a great deal. With the outdoor tankless water heating unit, you require just to fit the heating device, so it’s capable of saving much cash for you.

Outdoor Vs. Indoor Tankless Water Heater:

The indoor tankless water heating unit and outdoor tankless water heater are two major installation ways. A few of the devices can be installed both ways, while a few are created to be a specific one. Here we provided a comparison between both installation methods:

Outdoor Vs. Indoor Tankless Water Heater1. The Waiting Time:

The waiting time for the heated water is decided by the distance between the tap and device, the nearer you fit the system, and the shorter the waiting time is. Therefore, no matter for outdoor or indoor tankless water heater, there’s no big difference.

2. Installation Spots:

The installation ways of indoor tankless water heating devices are more flexible; you can either get it installed up on your kitchen wall, bathroom wall, or underwater sink, for the whole home types, you can also fit it anywhere that’s convenient. But for the outdoor tankless water heating system, particularly when it is utilized for the house, it’s recommended to be fitted on the outside wall of the kitchen or bathroom for the short waiting time of the heated water. Certainly, if you want to make use of it as the portable heater, then the fitting spots are more flexible than the indoor ones.

3. Installation Difficulty And Charges:

The installation difficulty of both types is almost the same, for it’s mostly decided by the device’s design but not for the installation spots. However, in terms of charges, there’s a huge difference. For the outdoor tankless water heating machine, it has to get protection cover or enclosure outside for preventing the device from the long term damage by the bad weather conditions outside.

4. Service Life:

The outdoor conditions are complicated; sunshine, rain, and wind will all do damage on the heating device. Therefore, compared with the indoor tankless water heating system, the service life of the outdoor one might be a little shorter, unless you save it well enough from harm.

Outdoor Tankless Water Heater Types:

The outdoor tankless water heating units can be divided into numerous diverse types based on the applications and power source.

By The Power Source:

  • Outdoor Propane Tankless Water Heating Device:

The propane outdoor tankless water heating system and gas tankless water heating unit are quite the same, both of them require ventilation kits, but the clean power source can really make the propane type an eco-friendly one. If you lack pipeline or don’t desire to get an additional gas line, you can contemplate the propane outdoor tankless water heater. For more info, please check out the best outdoor propane tankless water heater reviews.

  • Outdoor Electric Tankless Water Heating Device:

The electric outdoor tankless water heating device usually refers to the ones utilized for camping or traveling. It’s more convenient in fitting and using, supporting an endless supply of the heated water for the users when traveling. The low water flow rate and low power demands make this one a great helper. We have chosen several best outdoor electric tankless water heaters and made thorough reviews; please check them out freely if you want to buy one. Or you can get more info on Amazon.

  • Outdoor Gas Tankless Water Heater:

The outdoor tankless gas water heating device is the most powerful among these power source devices. It is usually utilized for the whole house; high energy-efficient performance and large water flow rate makes it more and more well-liked on the tankless water heating device markets. If you really want to get this item, simply go to the best outdoor tankless gas water heater reviews we made for you.

By Applications:

  • For House Usage:

The outdoor tankless water heating device for the residential usage is mostly fitted on the outside wall of your bathroom; the water flow rate of these is usually large enough for meeting the demand of 1 kitchen faucet and one bathroom use at least. It’s quite powerful for supporting constantly heated water for bathing.

  • For Travel Usage:

If utilized it for travel or for RV, it’s usually created as portable types. The compact and small shape, along with the low water pressure-demand and water flow rate, it’s suitable to be utilized anywhere you desire in traveling. There’re a lot of best tankless water heating units for the outdoor shower available in the market; you have to get the one with stable temp and water flow rate.

Buying Guides On Outdoor Tankless Water Heater:

Outdoor tankless water heaters 2020When facing a lot of outdoor tankless water heaters manufacturers in the market of 2020, there’re a lot of things you have to contemplate:

1. Water Flow Rate:

Before purchasing, you ought to acquaint how much water flow rate you require on the water heating machines. Estimate the average flow demanded in the house per day and compare it with the range of products, then you’ll acquaint which exactly will suit you the most.

2. The House Location:

The temperature of the water and water flow rate range will alter according to the outside temperature and weathers. The majority of the outdoor tankless water heating machines reach standard range just when they’re utilized in the warm areas, but for the cold regions, the water flow rate will drop two to three gallons per minute. Therefore, if you live in a cold area, you ought to contemplate the weather and select a suitable range. And the chosen water heating unit has to have the freeze protection system for the long term outdoor usage.

3. Size:

As we have already introduced, the tankless outdoor water heating machines are mainly utilized for both travel use and residential use. For the residential usage, the size of which is reliant on the house size. But for the travel usage, you had better get a lightweight and small one, or it’ll be a huge burden on the way to travel.

4. Power Source:

There’re three types of tankless outdoor water heating devices, comprising propane, electric, and gas. All of them have diverse installation requirements and performance; if you are having issues choosing one, you might get more info from the comparison we have already made among these three water heating machines types.

5. Smart Functions:

Anti-corrosion, anti-frozen, and Wi-Fi enabled remote controllers; there’re more smart functions available. A few of them might be a great helper for the users, but a few might get no meaning at all. Facing such smart functions, you ought to figure out whether you require it and then pick according to the basic requirements.

6. Safety:

Safety is a major contemplation; the heating device has to be qualified and created with an outstanding quality level. For a few high technological tankless water heaters, there’re also a lot of self-protection features for automatically turning the unit off when in danger.

Costs Of The Outdoor Tankless Water Heater:

For every diverse type, the tankless outdoor water heater costs can vary a lot; the travel use or portable outdoor models are far cheaper than the residential ones. But the lifespan of it can be short. The large flow water heating machine utilized for the house usage is created more delicate, no matter for the service life or for the working performance; it’s more cost-effective and more reliable for the long term of usage.

Aside from the buying cost, you ought to also contemplate the using charges, getting a high energy efficient type is helpful in saving a big sum of cash for heating bills. And you have to get the protective covers for the device when installing outside. For the detailed price of every item, you can get info on Amazon; there’ll always be a discount available for every outdoor tankless water heating machine, don’t miss the chance of saving some cash.

Outdoor Tankless Water Heater Installation:

  • For diverse water flow rates and types, the installation spots are diverse. If it’s used for home shower, then it ought to be fitted outside the wall of your bathroom. If you want to get one for the travel usage, then the fitting spots are totally reliant on you.
  • You be supposed to fit it somewhere dry, and in the airy spots, damp places will simply get the device into corrosion.
  • Get enclosure systems outside the heating device; if not, the complicated weather conditions like long term sunshine and rain will do permanent harm to the unit and shorten the lifespan of it.

Attention:

  • Always make use of it under instructions
  • Don’t put the inflammable stuff on the device
  • Stop utilizing it right away once it’s in bad working performance
  • Check the device regularly for safety

Frequently Asked Questions Section:

  • Does Outdoor Tankless Water Heater Need Ventilation?

No, when the water heating device is fitted outdoor, the gas can be emitted directly into the air; therefore, you don’t have to fit venting kits.

  • Can Outdoor Tankless Water Heater Be Used Indoor?

The majority of the tankless outdoor water heating units can also be utilized indoor, but for the propane or gas tankless water heating devices, you have to get ventilation kits to emit the gas. If you’re not certain about it, you can ask the company before purchasing.

Summary:

The tankless outdoor water heating unit is just the other way of installation way. There’re a lot of diverse applications and types for the users to select. But keep in mind to always choose in the budget range you have and the one that can meet your requirements.

For more details or other best tankless outdoor water heaters, you can check on Amazon. You will find a more reliable service and reasonable prices there.