5 Best Outdoor Natural Gas Tankless Water Heater Reviews 2020

It is so obvious that the outdoor tankless water heaters are the ones you need to install outside your house. These units can really decrease the need for installing venting facilities. But the bad weather conditions harm these systems when installed outdoor. Therefore in choosing and fitting the top outdoor natural gas tankless water heater, there are some things you have to know about them clearly.

Best Outdoor Natural Gas Tankless Water Heater Reviews:

After knowing about the basic functions and the picking Instructions a top outdoor natural gas tankless water heating unit, here are have provides a review on the best outdoor natural gas tankless water heaters, all of these systems are tested and proved to provide the outstanding performance.

1. Rheem RTG-95XLN Outdoor Tankless Natural Gas Water Heater:

Best Rheem RTG-95XLN Outdoor Low NOx Natural Tankless gas water heater Reviews 2020

Key Features:

  • 94 Percent Energy Efficient:

The energy efficiency of this fantastic tankless water heating system can really reach ninety-four percent. It is very high and will definitely assist the user to save much cash for the heating bills.

  • 5 Gallons Per Minute Of Water Flow Rate:

The water flow rate of these units can really reach as high as 9.5 GPM. This water flow rate really makes it possible for this outdoor tankless water heater to supply hot water to 3 or 4 bathrooms at the same time if it is being used in the warm regions. In the cold areas, it can support only two bathrooms at the same time.

  • Stainless Steel Heat Exchanger:

This outdoor tankless water heater also comes with a durable stainless steel heating exchanger. It provides users with even more options on connecting both vents when the demand for hot water is high.

Pros:

  • Both propane and gas accessible
  • Remotely control enabled with an application
  • The compact shape can really help in saving much space
  • Ten years of warranty
  • High water flow rate and highly energy efficient

Cons:

  • A little expensive
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2. Noritz NR981-SV-NG Indoor-Outdoor Tankless Water Heater:

Noritz NR981-SV-NG Indoor-Outdoor

Key Features:

  • Nine Heating Options:

One feature of this device is 9 nine heating options. You can select the most appropriate one based on the actual requirements you have. Also, it’s fitted with the elevation adjustment; therefore, it’s also a top tankless water heating unit for high altitude.

  • 8 GPM Of Water Flow Rate:

The water flow rate of this tankless water heater is a little higher than the one from the Rheem Company. It can really reach 9.8 GPM. The same as Rheem, if you have three or four bathrooms or want to make use of multiple kitchen faucets together with your bathrooms, then this model will definitely offer the endless supply of hot water for you.

  • Twelve Years Warranty:

Noritz promises to keep the twelve years of warranty for this device’s heat exchanger; it’s a comparatively long time of warranty.

Pros:

  • Low NOx design
  • Commercial standard copper wall
  • Perfect for the large family use
  • Outdoor and indoor installation both
  • Energy efficient

Cons:

  • Waiting time for the heated water is a little long
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Key Features:

  • Simple Installation:

The majority of the outdoor natural gas tankless water heating systems have to be fitted by the professionals; thus, fitting charges can be an additional burden. However, it is quite simple to install; you can do everything all by yourself if you’ve a little basic knowledge of it.

  • Compact And Small Shape:

This tankless water heater weighs quite light and takes up just a small piece of space; it really weighs forty-three pounds, and the dimension of this tankless water heater is 13.8 x 8.5 x 20.5 inches, for the tiny home or small bathroom, this water heater can still be fitted perfectly.

  • 83 Energy Rating:

This outdoor tankless water heating device requires 140000 British Thermal Units gas power input per hour. The energy rating of the machine is about 0.83.

Pros:

  • Perfect for small apartment usage
  • Can support two bathrooms use in the warm regions
  • The constant supply of hot water
  • Both propane and natural gas accessible
  • Compact size
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Cons:

  • The temperature of the water drops a little when you utilize the hot water somewhere else
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4. Rheem RTG-84XLN Natural Gas Outdoor Tankless Water Heater:

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

Key Features:

  • Short Waiting Time:

According to the feedback of customers, this tankless water heating device is proved to heat up your water pretty quick and takes just a little time for the heated water to flow.

  • 4 Gallons Per Minute Of Water Flow Rate:

This tankless water heater has a huge water flow rate, which can reach up to 8.4 GPM. It’s capable of supporting about one kitchen faucet, and two bathrooms use simultaneously. And it’s created with no fluctuation.

  • Compact Size:

It’s created small in size and simple in using, just taking up a little piece of space in the house. Though it is small in shape, it’s capable of being utilized for middle size family usage simply.

Pros:

  • Endless supply of hot water
  • Easy operation and compact shape
  • Short waiting time
  • Large water flow rate
  • High energy efficient

Cons:

  • You have to get it fitted by a professional
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5. Noritz NR662-OD-NG Outdoor Natural Gas Tankless Water Heater:

top Noritz-NR662-OD-NG-Tankless-Water-Heater

Key Features:

  • 6 GPM:

The water flow rate of this tankless water heater can really reach 6.6 GPM, comparatively low in the best outdoor natural gas tankless water heaters suggested above, but it’s still capable of supporting one kitchen faucet and one bathroom simultaneously.

  • 84 Thermal Efficiency:

Eighty-four percent thermal efficiency of this outdoor tankless water heating machine denotes that a huge amount of gas is utilized, and it’s a comparatively high energy efficient type. The gas consumption is between 15000-140000 British Thermal Units.

  • Built-In Display:

The built-in display of this tankless unit shows the temperature of the water and the error code if something wrong occurs, you can also easily change the water temp you desire.

Pros:

  • Gas and propane both available
  • Suitable for middle or small-sized house use
  • Simple operation
  • Large heating range (100 to 150 degrees Fahrenheit)
  • High energy efficient

Cons:

  • Have to be fitted by the professionals
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Benefits Of The Outdoor Natural Gas Tankless Water Heaters:

The following are some of the fantastic features of the outdoor natural gas tankless water heating machines:

  1. No Requirement Of Installing The Venting Facilities:

The natural gas tankless water heaters are mainly powered by natural gas; the waste gas has to be emitted for safety. When they’re fitted indoor, you have to get the venting facilities fitted along with your tankless water heating systems. However, for the outdoor natural gas tankless water heating units, you’re free from that matter. The gas can be emitted directly by air.

  1. Space Saver:

The exterior tankless water heater has to be fitted outside your home, so even if you have a small or tiny house, you don’t have to be anxious that it might take up much room in the house. All you have to carry out is to locate a perfect space and fit the unit in.

  1. Save Cash:

If you have little experience in purchasing the natural gas tankless water heating machines, you ought to acquaint that the venting facilities installation can be expensive at times, particularly the badly designed models. Therefore, the outdoor natural gas tankless water heating devices cut the pointless charges and assists in saving much cash for you.

How Can You Select The Best Outdoor Natural Gas Tankless Water Heating Device?

  1. Select The Strong Exhaust Type:

It’s recommended that the outdoor natural gas tankless water heating devices ought to be fitted right outside on the wall near your bathroom or someplace that ventilated breathe easily. The strong exhaust type tankless water heating machine can really force the wasted gas to be emitted directly outdoor; thus, it is more secure for you.

  1. Find A Proper Water Flow Rate:

If you have a large family and have 3+ bathrooms, then you have to get a huge water flow rate model for supplying the heated continuously water, and on the contrary, the small water flow rate tankless natural gas water heating machines can be utilized directly for a small family or tiny family. Locating a suitable water flow rate model based on the actual requirements will assist you in saving much money and energy for you.

  1. Freeze Protection Model Is Much Better:

As the outdoor tankless water heating machines have to be installed on your outside bathroom wall, the bad weather conditions like constant rain or strong wind will do great damage to your unit and shorten the using life of your water heater. Particularly for the cold areas, when it gets colder, the water is simply gets frozen. Therefore, the outdoor natural gas tankless water heater that comes with the freeze protection system can greatly protect your water heating devices and prolongs the service life of them.

Attention:

  • The natural gas is one of the flammable gas; thus, you ought to check your gas source and the complete pipe system often, making sure that no leakage happens in using.
  • Don’t put inflammable things like as clothes and towels on your water heater.
  • There ought to be a secure distance between the outdoor natural gas tankless water heating systems and the other stuff in installation.
  • Close your gas valve each time you are done using your water heater.

Summary:

To cut a long story short, we chose three top outdoor natural gas tankless water heaters for you:

The best type for the high altitude usage:

Noritz NR981-SV-NG Tankless Water Heater

sNoritz NR981-SV-NG Indoor-Outdoors

The top-selling type

Rheem RTG-95XLN Tankless Natural Gas Water Heater

Best Rheem RTG-95XLN Outdoor Low NOx Natural Tankless gas water heater Reviews 2020

The best water heater for middle or tiny-sized house

Takagi T-KJr2-OS-NG Outdoor Tankless Water Heater

Takagi T-KJr2-OS-NG

The outdoor natural gas tankless water heating machines decrease the matter of fitting the venting facilities, but there’re still a lot of other things you really have to contemplate before purchasing. If you still face any problem in locating the top outdoor natural gas tankless water heater of you, then you can simply go to Amazon for more information. Here you can also get to know the latest cost.