Best Outdoor Tank-less Water Heater – 2020 [Reviews]

Gas tankless heaters are especially good for outdoor construction since there is no need to modify the layout of your house. And there’sthe tube. Since the venting is much shorter for outdoor gas heaters, there is no condensation.

As a consequence, there is no need for a drainage system, which is excellent news if you do not have an excellent drainage system in your house. This is critical since excessive drainage is a common cause of heat exchanger destruction.

All of this means that if you’re going from a tank to a tankless setup, you’ll be able to mount the new unit even faster by using an outdoor water heater. You’re probably going to save money on production costs.

Also, read our latest guide about Best Tankless Water Heaters in 2020

Best Outdoor Tankless Water Heater Reviews in 2020

In this review/guide series, in 2020 I will review the best outdoor tankless water heaters from internationally trusted brands. You will find the best choices for the smallest to the biggest of the homes as well as the ardent campers!

With each, I’m going to dive deep into the technical specifics, the Pros & Cons, and the regional facts of the best water heater for cold climates.

1- Rheem RTG-95XLN – Best outdoor Tankless Natural Gas Water Heater

 

Looking at choices for bigger homes with more going on, we first look at one of the greatest and most trusted brands today, Rheem. Rheem has an RTG-95XLN that is a natural gas alternative, or you can use XLP if you want a propane variant.

Rheem RTG-95XLN Outdoor Tankless Natural Gas Water Heater is the perfect choice if you have several appliances running at once in your house.

The Rheem RTG series, including RTG 95XLN Outdoor Natural Gas Tankless Water Heater, is a group of ultra-low NOx, mid-efficiency gas-powered inline water heaters equipped for continuous instant and endless hot water on call, better in 34 bathroom homes, and is now compatible with residential hot water recirculation pumps.

It uses condensing technology and has an integrated condensate neutralizer. All this does not mean that much to you, but to say in the most enticing language, it is up to 0.93 UEF (Uniform Energy Factor).

The measurements of  9.88 x 25.63 x 13.88 inches make this model as tall and wide, but somewhat wider. So, that makes the 3,515 cubic inches clock this model to be the largest for large home options, except for the next segment for the largest house.

And the weight is 82 lbs. This makes it the heaviest of all the versions,  bar none. But with a lot of weight, of course, comes great skill.

Tankless Water heater btu?

Hot Start Technology, which minimizes variations of water temperature, is still there.Rheem RTG-95XLN Outdoor Tankless Natural Gas Water Heater has  a minimum of 11,000 and a maximum of 199,900 BTU per hour.  This model also has a limit of 9.5 GPM.

Tankless water heater outdoor installation?

Don’t panic if you’re in the mountains, the Rheem Technical Reputation will withstand the altitude. In areas where the temperature of the groundwater is about 50, you’ll get around 5.5 GPM.

In places where the temperature of the groundwater is about 40 degrees Fahrenheit, you’ll get around 4.7 GPM. And in areas with groundwater temperatures about 70 and above, you can reach a limit of 9.5 GPM.

2- Takagi T-K4-OS-NGOutdoor – Tankless Water Heater Natural Gas

 

Takagi has been offering groundbreaking residential and industrial hot water products for more than 60 years. Their line of tankless water heaters is unprecedented inconsistency and diversity, offering the ideal hot water option for any situation.

The T-D2-IN-P is NSF accredited and features a commercial copper heat exchanger designed to work effectively and consistently. With the provided remote control, the Takagi T-K4-OS-NGOutdoor Tankless Water Heater Natural Gas is the best solution to all Your residential or commercial hot water issues.

The heat exchanger is made of high-grade copper, offering a much-improved heat transfer than normal stainless steel and designed to be more resilient to corrosion.

Takagi water heaters are designed to last and save you money in the process. This is a 38-lbs gadget with a Height: 20.25″ Width: 13.75″ Depth: 9.50″ that incorporates a variety of beautiful Features to fulfill your needs especially.

The first thing you’ll find about tankless water heaters is that they appear to conserve a lot of energy when built. This particular model is designed to conserve space and blend into the environment with its minimalist white style.

Tankless water heater btu?

The lightweight T-K4 is a completely modulating,  gas-fired, tankless water heater designed for residential applications. With a gas intake of 190,000 BTU, the T-K4 can provide enough hot water for up to three bathrooms in colder climates.

Tankless water heater outdoor installation?

Takagi outdoor heaters come standard with remote control included. The material used for the design of this unit is heavy-duty. This means that the system will support you for the longest time.

Takagi also incorporated a range of safety features in this gas tankless water heater, including an integrated freeze protection device, a resettable hi-limit, an overheating shutdown switch, a flame sensor, and a temperature control system.

Due to its small dimensions and inexpensive price, the heater has made its mark on the industry.

Outdoor tankless water-heater natural gas?

 It varies between 11,000 and 190,000 BTUs. Equipped with an energy efficiency of 0.83, it is certified by Energy Star. Thanks to its automated device, this unit can be used at any temperature and water flow rate of the area. At 8GPM,

It has a temperature spectrum from 99 ° F to 167 ° F. You should set the temperature between 113 and 140 ° F., It is also packed with a range of protection additions. For eg, an anti-freezing device that prevents it from freezing conditions in the climate.

If by accident, the outside temperature drops below 36, the system automatically shuts off. It also has an in-built cut off the fuse that stops the device from overheating.

Is a tankless water heater worth it?

Takagi T-k4   provided 120v tankless water heater that is more efficient than any other brand.its energy factor is 0.82% that less the cost of hot water over 60%.you can enjoy hot water according to too your demand.

3- Complex 5L 1.32 GPM – Portable Outdoor Tankless Propane Water Heater

 

As we know, Outdoor life is still a source of enthusiasm and enjoyment for people and CAMPLUX 5L outdoors has found that out.  CAMPLUX outdoor is part of the JAL community and is committed to offering a simple and productive outdoor lifestyle.

With more than 15 years othe f good experience in the gas and electricity sectors, the JAL Group is now one of the leading manufacturers of home appliances. Portability, energy conservation, and sustainability are the three main elements of CAMPLUX goods.

The CAMPLUX portfolio is continuously expanding very keenly for better, creative products. COMPLEX, guy. Enjoy your outdoor life! COMPLEX 5L Outdoor Portable Propane Gas Tankless Water Heater requires 2.0 PSI to be enabled.

If you’re confused about the low GPM in the garden hose pipe or the lodge in the forest you’re hoping to spend the holiday, so you should relax becaus 4 GPM is very low and that’s all this machine has to work.

Switch on the ignition with 2 “D” cell batteries if there is no need for electricity! The perfect low water pressure operating range for Camplux AY132S is 3.0 … 110.0 PSI, easy to run with excellent results.

The machine also fits well with updated water systems with a 12-volt water pump. The operational gas pressure of propane is 0.4PSI with a daily output of 28,000btu / hour. A complex tankless propane water heater line was not suggested for elevation above 2,000 Ft.

Complex 5L is propane or gas-fired tankless device that can also run in off-grid areas. It has the availability of the use of batteries. The mean temperature rise is 114.8 ° F (46 ° C) and the minimum the temperature increase is 46.4 ° F (8 ° C) for 1.32GPM.

Tankless water heater outdoor installation?

With a dimension of 11.4 x 5.5 x 14.6 inches and a weight of  10 pounds, this gas heater justifies the key objective of portability. It slips into the back of the vehicle, and a 12-year-old will comfortably drive it to the outdoor.

5L Outdoor Compact Propane Gas Tankless Water Heater can be quickly mounted with little to no DYI capacity.  You need to plan for propane, coal, power,  batteries (when power is not available), and water only.

Point of use tankless water heater for the shower?

The kit comes with a water pump, a showerhead, and a hose, a CSA regulator, and a furnace handle all the necessary components. You don’t need a camping RV or Hack to experience the need for Complex 5L.

It can be used in any poolside garden session, reunions, bathing your family member or pet, for the ideal barb q session.  Installation is super simple all you need to do is hold it out of the door and hook it up to the socket. If you’re living in a charming and colder part of America, that’s the product that is perfectly suitable for you.

4- Eccotemp 45H-NG – Outdoor Tankless Water Heater

 

In the aftermath of fast-moving tankless water heaters, these systems have become a core component of new homes thanks to their excellent energy quality. Manufacturers use innovations to expand the envelope on what it means to make an advanced inline tankless electric water heater.

Equipped with state-of-the-art, self-modulating technology, the Eccotemp 45H-NG Outdoor Tankless water heater can finetune energy usage to the amount of water required. This means that the device can just use less energy to heat. The room, which translates into hundreds of dollars of savings on the utility bill.

Tankless water heater btu?

The Eccotemp 45H-NG Outdoor Tankless Water Heater is the largest outdoor model in the Eccotemp tankless rows.With an outstanding 6.8 GPM and 140,000 BTU per hour, the 45H-NG will satisfy all the hot-water needs of a regular home or apartment with one or two bathrooms, as well as smaller industrial applications.

The 45H-NG compact wall is powered by natural gas. With its fully automatic control panel, the Eccotemp 45H-NG is the perfect alternative for any regular home size.

Tankless water heater installation?

It’s the lightest one, weighing just 27 lbs. Except for only one other model, it’s the lightest of all in this list. While all tankless water heaters are vastly smaller than conventional hot water tanks, the size of  10 x 29 x 17 inches makes the Eccotemp 45H the largest of all medium-sized home heaters.

Small tankless water heater among the list.The highest in depth, height, weight, and, of course, the total cubic inches at 4,930.

Tankless water heater for cold climates?

If you live in places where the temperature of the groundwater is around 40 degrees Fahrenheit, you’ll get around 2.6 GPM. Using the low-flow appliance route will get you something out of the Eccotemp 45H, potentially even two showers.

Sites even up north but a little colder, where the temperature of the groundwater is closer to 50, you should be able to get 3.9 GPM. Heading south, where the temperature of the groundwater is about 60 say hello to 5.5 GPM.

And how about going farther south. in places where the temperature of the groundwater is around 70, that’s when you will reach 6.4 GPM and even a limit of 6.6 GPM in many instances.

5- Rinnai RL75eP – Outdoor Tankless Water Heater

 

Enjoy an unlimited supply of hot water with this high-efficiency, non condensing propane fuelled water heater from Rinnai. About the size of a small suitcase, the Rinnai RL75eP Outdoor Tankless Water Heater lightweight, easy-to-install, durable and ideal for outdoor use.

Rinnai goods offer peace of mind with promises that match rivalry. The Rinnai RL will come either in propane or in natural gas. This is an outdoor theme, but it can also be indoor.

The Rinnai RL is said to be ideal for 2 to 4 fixtures running simultaneously.  Rinnai is a great and trusted brand with a lot to give you 220V.

Rinnai tankless water heater GPM?

First of all, let’s remember that the actual 7.5 GPM is far higher than the previous two options Rinnai already has similar 6.5 GPM max options, but the 7.5 allows you a bit more versatility and space to wiggle.

This is good if one of the last two choices appears to be a little short. Rinnai provides you continuous hot water.

Rinnai tankless water heater installation?

The scale of 9.6 x 24.3 x 14.04 inches makes this choice the best scale in the center. The 3.275 cubic inches make it considerably smaller than the Eccotemp. The weight is 43.6 lbs. This is the heaviest of these three choices.

So, Rinnai RL75eP Outdoor Tankless Water Heater is very easy to install because of its small size.

Rinnai tankless water heater for cold climates?

Rinnai RL75 can give you a few more gallons per minute (GPM) in each area. In places where the temperature of the groundwater is about 40 degrees Fahrenheit, approximately 3.7 GPM is expected to be obtained.

Areas of groundwater temperatures below 50, you’ll be looking at around 4.8 – 4.9 GPM. In areas where the temperature of the groundwater is about 60, you can predict around 6.3 GPM from this unit.

And in regions with groundwater temperatures similar to 70 and higher. this is when you’re going to get over 7 GPM and even achieve a height of  7.5 GPM.

6- Complex 16L Outdoor 4.22 GPM – Digital Display Propane Gas Tankless Water

 

As we know, outdoor life is always a source of enthusiasm and excitement. People’s happiness and Camplux 16L  outdoors find out about that. CAMPLUX outdoor is part of the JAL culture. It is committed to providing an easy and efficient outdoor lifestyle.

For more than 15 years of strong gas and electrical experience. Sectors, the JAL Group is now one of the leading producers of Home appliances, please.

Portability, energy efficiency, and durability are the three primary components of CAMPLUX products.The Camplux16L is suitable for hiking, family holidays, mountain cabins, horse stables, etc.

It can be placed indoors where it is well ventilated if the flue pipe is additionally located (flue pipe not included) Innovative combustion technologies and integrate multiple security mechanisms to ensure your safety. 2 “D” cell batteries are required for ignition.

(The battery is not included). Applicable water pressure from 3.6 to 110.0 PSI, work comfortably with high efficiency. Operating propane gas pressure is 0.4PSI. 

7.Maximum production is 110,000btu / hour. The gas water heater can not be used for drinking water. Link the gas regulator and the gas inlet torque wrench with a torque Force.

COMPLEX 16L Outdoor Water Heater Installation? 

On the wall, mount the gas water heater. Attach the gas cylinder to the gas hose and regulator supplied. Attach the water hose and the showerhead to the outlet. Now, attach the water hose to the inlet. Attach 2 “D” of the cell batteries.

Enjoy hot water right now!

COMPLEX 16L Outdoor Water Heater GPM?

This Complex model will reach a maximum output of 4.22 GPM and a maximum output of 110,000 BTU / hour. It has a digital temperature monitor that makes it easy for you to read regardless of the lighting condition.

And it has a thermal efficiency of 88.5 percent, which is pretty good when you’re out in the wild! The scale of this model is 7.87 x 27.56 x 17.32 inches making it 3.757 cubic inches.

It’s smaller than the last Camplux model and larger than any of the other alternatives on this page. It’s a weight of 36 lbs, though. It makes it one of the lightest choices and makes it very compact.

Enjoying Your Outdoor Shower with Complex 4.22 GPM Gas Water Heater?

The 4.22 GPM Camplux portable water heater is ideal for camping, cabins, or just around the property. Clean your car, clean your yacht, take a hot shower, wash your dogs, or your horse.

The ignition is supplied with 2 D cell batteries, making it suitable for off grids or other places where electricity is not readily accessible. The optimal operating range for the 4.22 GPM Camplux portable a tankless water heater is 4.0 + 110.0 PSI.

Complex water heater relies on revolutionary combustion technologies and sophisticated multiple security technologies to ensure safety.

7- Noritz NR66ODNG Outdoor Tankless Water Heater

 

Another great option for your medium-sized home or apartment is the Noritz NR66ODNG Outdoor Tankless Water Heater. The Noritz NRC66DVNG is the best tankless water heater in the world.

Modern, lightweight, easy to install and operate, quietness; you name any feature, and we’re sure to find it in this device. Connect the remote-control feature to the mix, and you’ve got the ultimate substitute for your standard, cumbersome tank-based water heater.

NORITZ NR66OD is a 6.5 Gallon per Minute water heater designed for outdoor use.IK-WV-200-1-XX-LF valve package (as needed for installation) sold separately.

Note that this package is sold separately because it is available with threaded and copper sweat connexions and we’re not sure which one you prefer:) The typical companion component is the PC-1S pipe cover.

Is this tankless water heater worth it?

The Noritz NR66 has a 0.81 UEF (Uniform Energy Factor) which is important to remember for those of you who want to save electricity and resources spent in the long run. A minimum of 15.000 BTU per hour and, as Eccotemp before, a maximum of 140.000 BTU per hour.

This water heater can achieve a limit of 6.6 GPM, marginally lower than the last one, but incredibly similar. This low the cost of your hot water demand over 50% so, that’s why it’s a Worthfull product.

Tankless water heater outdoor installation?

It’s not like 36 pounds of light. But in every sense, it’s much smaller. The scale of 6.7 x 20.5 x 13.8 inches generally makes it the smallest of the three choices for medium-sized homes in depth, height, width, and cubic inches, with a scale of only 1,895 cubic inches.

If you’re searching for the smallest possible choice for your medium-sized house, this could be the best outdoor tankless water heater for you in 2020 because it’s much smaller than the others.

A tankless water heater in cold climates?

Another fascinating thing about Noritz NR66 is the temperature range it gives, which is indicated as 100 – 150 degrees Fahrenheit (and can likely go up to 160 degrees Fahrenheit in certain situations).

Many of the other alternatives on the market are at a high of 140, but they can also usually be smaller than 100. It can also be modified in 5-degree intervals, although several alternatives can be changed even in 1-degree intervals.

In places where the temperature of the groundwater is about 40 degrees Fahrenheit, 2.4 – 2.5 GPM may be predicted. Areas of groundwater temperatures lower to 50, you’ll get more hot water per minute. Your range would probably be around 3.7 GPM.

Areas of groundwater temperatures floating near 60, you can expect anything in a 5-5.3 GPM ballpark. And also farther south, in areas with an average temperature of around70 or above groundwater, aim for a maximum GPM of 6.6.

Conclusion 

As we read in this article we review the different products available in the market with the highest-ranking or top sale products now you’ve got a decent fill of all the outdoor tankless water heater the world has to give you.

According to this information we recommend you some product that will help you to choose the best product for your home. Top of the list Rheem RTG-95XLN Outdoor Tankless Natural Gas Water Heater this product having a 4.7 rating in the market which confirms the efficiency of this product.

We have chosen the Rheem RTG-95XLN 9.5 GPM Indoor Direct Vent Tankless Propane Water Heater as the best one on the market.With a constant flow rate of 9.5 gallons per minute, this water heater is ideal for homes with three bathrooms, and you’ll find that it can also provide an almost infinite stream of hot water to your kitchen.

Compatible with both two-inch and three-inch PVC tubing, this water heater is easy to mount and can help you save money almost instantly. This is the best outdoor tankless water heater for your large home in the flexible cost.

2^nd on the list Takagi T-K4-OS-NG Outdoor Tankless Water Heater Natural Gas with a 4.5 rating and best customer feedback product that makes your life easier and happier.

They record excellent flow rates and high-temperature increases. A lot of people say that it made a huge difference from an old fashioned tank water heater to a Takagi tankless machine.