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Best Hot Water Heater for Outdoor Shower of 2022

An outdoor shower is quite common on beach houses or after a decent amount of time spent on gardening. It feels good on our body when water hits the skin, and you can exactly feel the natural textures. But often, we catch a cold and cough due to a cold water shower and the natural airflow that makes us shiver. 

This is the reason why the best hot heater for the outdoor shower is a must. It helps when you come from outside after doing farming outside and are full of mud. Often our kids go to play soccer and come inside the house with dirty muddy clothes, and they stink so much. To avoid this kind of situation and have a comfortable shower outside, we researched the best hot water heater for an outdoor shower. 

Most of the outdoor units we’ll talk about here are portable, so changing their location isn’t a matter. Furthermore, you’ll go through their features and can easily differentiate between any two water heaters because we talk about the same features and specifications on every instant hot water for an outdoor shower. 

Our Top Choices 

Here we would like to discuss the best outdoor hot water showers from the shortlist of your outdoor shower reviews. Every water heater has unique and different features, but we only talk about the best features of the outdoor water heater unit here. 

Best for Safety Protection: Camplux 5L Outdoor Portable Water Heater

It comes with multiple terms of safety features like anti-freezing protection, overheats protection, oxygen depletion safety, and flame failure device protection. 

Best for Energy Saving: Rinnai RL94eP Propane Gas Tankless Hot Water Heater 

It is highly rated by the Uniform Energy Factor(UEF) as the water heater is highly energy-efficient and saves extensive power. 

Best for Compact Size: Noritz NR50ODNG Outdoor Tankless Water Heater

This water heater is very much compact insize and doesn’t look odd on your wall outside. Installing it seems quite easy. 

Best for Portability: Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater

This outdoor unit is very lightweight, so only you can mount it on the wall but you can take it with you wherever you go. 

Best for Unlimited Waterflow: Rinnai RU199eN Condensing Tankless Hot Water Heater

Though it’s a tankless water heater, once you add an external pump, the hot water will flow through the house if you want. 

Best for Saving Space: Rinnai V53DeN Tankless Hot Water Heater

This unit is pretty compact in size and is very lightweight. So you can mount it on the wall, and it will never fall down. 

Best as Instant Water Heater: Gasland Tankless Water Heater, GASLAND Outdoors Propane Water Heater

As soon as you turn on the tap, the water will flow at your desired temperature. Also, it is very compact and lightweight. You are very portable for anywhere to take during a camping trip. 

Best Hot Water Heater for Outdoor Shower

Here we mostly talked about the company details, if there are any. Besides, you will learn about the specifications and each and every feature of the outdoor water heater. Finally, on a short note, you’ll get the advantages and limitations of each water heater. 

Camplux 5L Outdoor Portable Water Heater

Camplux 5L Outdoor Portable Water Heater

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I think we don’t need to conversant much about the brand Camplux. The name already determined how reliable and resourceful the water heater was. Camplux is popular among us with its outdoor units for regular life support. Most of their electric units come with unique features with creativity and very much energy saving. Even this propane water heater outdoor comes with advanced technologies that saves upto 50% water heating cost from other brands. 

Specification

  • Color: White
  •  Type: Propane Tankless 
  •  Power Source: Battery
  •  Water Pump Needed: 12V
  •  Capcity: 5L
  •  Output Capacity: 1.32 gallons/min
  •  Weight: 10 lbs
  •  Dimensions: 11.42 x 4.33 x 14.8 inches 

Features at a Glance 

  • This 5L tankless propane water heater is very portable, and you can take it camping. 
  • Features with oxygen depletion sensor protection. 
  • This camplux 5l propane gas shower requires 2 “D” cell batteries to get power. 
  • It also supports a modified water system with a 12-volt water pump. 
  • The supports maximum 114.4℉ and a minimum 46.4℉. 
  • It is pretty compact in size and has a portable handle that allows it to be set up outdoors perfectly. 
  • It comes with a 5ft gas regulator and 5ft shower head. 
  • Features with stainless steel burner and tinning copper heat exchanger. 
Pros
  • It has multiple safety protection.
  • Doesn’t require you to buy any extra equipment.
  • Water gets exactly the temperature you set the knob.
  • Maintains CSA safety standard.
Cons
  • It is not waterproof.
  • Shouldn’t use it above 2000ft.

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Rinnai RL94eP Propane Gas Tankless Hot Water Heater

Rinnai RL94eP Propane Gas Tankless Hot Water Heater

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Are you searching for an outdoor shower gas water heater? Here the Rinnai propane outdoor shower offers 9.4 gallons per minute of hot water, and it simultaneously provides water and never runs out of water. Furthermore, this outdoor gas water heater is very energy efficient, pretty easy to install, and cost-effective. 

Specification

  • Color: Gray
  •  Type: Propane Tankless 
  •  Power Source: gas powered 
  • Recirculation Technology: cric-logic
  •  Output Capacity: 7.5-9.8 gallons/min
  •  Weight: 53.6 lbs
  •  Dimensions: 17.5 x 13 x 31 inches 

Features at a Glance

  • It keeps an optimal water pressure and ensures a powerful hot water flow rate. 
  • Crick logic technology enables recirculation patterns. 
  • Wi-Fi monitoring system. 
  • You can use this hot water for laundry, dishes, showering, and bathing. 
  • The tank is long-lasting, and the process saves energy. 
  • Officially rated by Uniform Energy Factor. 
  • Using ThermaCirc360, you can have hot water in a faster time. 
  • Compact in size. 
Pros
  • Works fairly quickly.
  • Not at all a tough installation.
  • Smart controls are enabled through Wi-Fi and voice command.
  • Residential and industrial warranty available.
Cons
  • It Requires minimum rate of water flow.

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Noritz NR50ODNG Outdoor Tankless Water Heater

Noritz NR50ODNG Outdoor Tankless Water Heater

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Surely you guys are searching for a tankless water heater for an outdoor shower. That’s why here we are with one of the best outdoor water heaters. No wonder, Noritz has been an ancient horse in the race of the water heater industry over the last 60 years. They introduced the modern design of outdoor shower heater for the first time in the 80’s. So you can easily rely on Noritz and have a great water heating experience. 

Specification

  • Color: White
  •  Type: Tankless
  •  Power Source: Gas powered
  •  Water Pressure Range: 3.0 – 110.0 PSI
  •  Output Capacity: 5 gallons/min
  •  Weight: 33 lbs
  •  Dimensions: 10.7x 17.6 x 26.6 inches 

Features at a Glance

  • It comes with an instant and reliable energy-saving feature. 
  • Energy Star certified. 
  • This outdoor unit provides protection against rust. 
  • It has an additional valve kit that is available in threaded and copper sweat connections. 
  • The actual input gas line size is ¾”. 
Pros
  • Cheap in price.
  • Energy efficient.
  • Copper made.
  • Residential warranty available.
Cons
  • Doesn’t come with a filtering system.

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Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater

Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater

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Eccotemp l5 portable tankless water heater and outdoor shower designed and developed in Summerville SC, USA and CSA certified. So there is no doubt about its performance, comfort, and convenience. This hot water outdoor shower has gas knobs which are pretty easy to set for your comfortable temperature. 

Specification

  • Color: White
  •  Type: Propane Tankless 
  •  Power Source: 2 Batteries
  •  Water Pump Needed: 12V
  •  Water Pressure: 20 psi
  •  Output Capacity: 1.5 gallons/minI
  •  Weight: 11.2 lbs
  •  Dimensions: 11.5 x 5.25 x 18 inches 

Features at a Glance

  • This unit is not only an outdoor wall mounting unit; you can carry it camping. 
  • It runs on an ideal liquid 20 lb propane tank. 
  • The unit gets its power from 2 “D” cell batteries. 
  • Equipped with EccoFlo 12v water pump. 
  • You can have appointment-based support, and 24/7 chat support. 
  • It can achieve 50-140 degrees Fahrenheit. 
Pros
  • CSA approved.
  • Portable and always ready to use.
  • Achieves desired temperature in no time.
  • It saves water.
Cons
  • Not good quality control.

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Rinnai RU199eN Condensing Tankless Hot Water Heater

Rinnai RU199eN Water Heaters

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Rinnai RU199eN Condensing Tankless water heater comes with the latest technology with SENSEI. Totally unlike the tank heater and avoid having rusty sediments, which ultimately increases the lifespan of this unit. If you want faster and more energy-efficient hot water output, pair this unit with an external pump.

Specifications

  •  Color: Gray
  •  Type: Propane Tankless 
  •  Power Source: gas powered 
  • Recirculation Technology: cric-logic
  •  Output Capacity: 7-11 gallons/min
  •  Weight: 72.5 lbs
  •  Dimensions: 20.05 x 14.76 x 33.86 inches

Features at a Glance

  • Pretty easy installation, but professional installment will ensure better service.
  • More energy efficient though the unit is a bit larger. 
  • It always keeps optimal water pressure and ensures 7-11 GPM hot water flow. 
  • This unit needs to be paired with an external pump to ensure instant heating. 
  • Every heating unit is tested before shipment to the factory. 
  • It uses ThermaCirc360 technology for faster hot water. 
Pros
  • Fast to heat up.
  • Endless flow of hot water.
  • Totally a soundless hot water unit.
  • Better customer service from Rinnai.
Cons
  • It is a bit larger and heavier in weight.

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Rinnai V53DeN Tankless Hot Water Heater

Rinnai V53DeN Natural Gas Tankless Hot Water Heater

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If you trust Rinnai, then you have no reason to trust this model. This unit is awesome and ensures endless water flow, and pretty compact in size. Furthermore, this outdoor gas water heater is very energy efficient, pretty easy to install, and cost-effective. 

Specifications

  • Color: Euro White
  •  Type: Propane Tankless 
  •  Power Source: gas powered 
  • Recirculation Technology: cric-logic
  •  Output Capacity: 5.3 – 9.8gallons/min
  •  Weight: 33 lbs
  •  Dimensions: 10.5 x 27 x 18.5 inches

Features at a Glance

  • It ensures unlimited Waterflow on different outputs. 
  • It saves much space and conserves energy. 
  • The ideal pressure keeps a smooth water flow of 5.3-9.8 GPM.
  • Enhanced scale detection Lessens can ruin this unit. 
  • Officially rated by Uniform Energy Factor. 
  • Compact in size and doesn’t need much space. 
Pros
  • Run by natural gas.
  • Uniform flow of water.
  • Soundless operation.
  • Super high efficiency.
Cons
  • No warranty available if you don’t install it by certified Rinnai service.

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Gasland Tankless Water Heater Outdoors Propane Water Heater

Tankless Water Heater, GASLAND Outdoors Propane Water Heater

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If you want a water heater that seems professional, Gasland 2.64 GPM outdoor water warmer and pretty compact in design. They try to protect from every occurrence that may happen. That’s anti-freezing protection; flame failure devices and overheating protection are here to protect our family. 

Specifications

  • Color: White
  •  Type: Propane Tankless 
  •  Power Source: Battery
  •  Capcity: 10L
  •  Output Capacity: 2.64 GPM
  •  Water Pressure Range: 3.5 – 110.0 PSI
  •  Weight: 22 lbs
  •  Dimensions: 21.7 x 13 x 7.1inches 

Features at a Glance 

  • CSA approved, so totally standard for USA and Canada. 
  • It provides several protections to assure the best safety. 
  • Gasland can decrease water pressure automatically. 
  • You can unplug the anti-freezing water passing plug. It prevents from freezing in cold days.
  • It doesn’t go above 167°F. The unit automatically stops supplying gas. 
  • It can be a great gas water heater outdoor for you, and it is portable also. 
  • Highest power output is 68,000 btu/hour. 
  • The main burner of the outdoor shower propane water heater and the heat exchanger are designed to reduce gas expense and operation noise.
Pros
  • It uses 11.5% energy saving technology.
  • On demand water supply is 2.64 gallon/min.
  • Ensures numerous number of protections.
  • Super high efficiency.
Cons
  • Spare parts are not available from the company.

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Choosing the Right Hot Water Heater for Outside Shower

It’s time to have some discussion on outdoor electric tankless water heater reviews and gas water heater reviews. Outdoor showers with a water heater is a common practice nowadays, but purchasing the best water heater is not an easy job. So here we’ll talk about whether you need a gas water heater outdoor or outdoor electric hot water heater for your place. It doesn’t only depend on your choice and the unit’s price; sometimes, location and other things can turn into an issue. 

Potable Water Heater

 Most of the water heaters we discussed here for outdoor showers are portable and compact in size. So you can have them with you on a trip. Most of them are either gas-powered or electric-powered. My suggestion is to have an electric water heater if you want a portable one and want to carry it everywhere. But in the long run, an electric or battery-powered hot water heater will cost you more money. 

How Do You Want To Use

We mostly use a hot water heater for showers outdoors. This kind of tankless water heater is easy to install and continuously provides hot water. Also, it occupies less space than a larger water heater by which you want hot water for doing everything in your life like washing dishes, cleaning floors, etc. 

For this kind of overuse of a hot water heater, we suggest you take a portable one with a capacity of at least 10L. 

Size

Again the portable water heater has an impact in size, this kind of water heater allows water to heat up in a few seconds, and you don’t need to wait for the water to heat up during the shower. These water heaters are typically smaller, but we suggest having anything between the capacity of 5- 10 L. It will save much of your time. 

GPM

Gallon per minute is known as the flow rate of hot water from the water heater for outdoor showers. Most of the water heaters we have reviewed here have less than 2 gallons per minute flow rate, but for showers, you need much more than that. SO at least 7.05 gallons per Minute and more sounds like a good option for showering outside. 

Temperature Protection

The water heater we use to heat up the water mostly heats up water 12 degrees Fahrenheit. But some gas hot water heaters for outdoor showers raise the temperature to 167 degrees Fahrenheit. In this case, we suggest having a water heater that can stop the gas supply when the temperature rises to an intolerable point. 

Condensing

Most of the portable hot water heater showers get hot water from tankless water heaters. These water heaters are more efficient on performance and in heating up water. So ensure the tankless water heater has a condensing method in the process of heating up the water. 

Recirculating Process

The recirculation process is not the old process of heating up the water. In Fact, the instant hot water we get from the water line is the result of using a recirculating water heater. In this process, the circulation process circulates cold water to the unit and sleeps the water warm. The recirculation process is also energy efficient. 

FAQ

How do I get hot water in my outdoor shower?

– You can use a hot water faucet or using a hot water heater can be a good solution for you. Tankless water heaters can give your instant hot water at your desired temperature. 

Can hot water heater be outside?

– Yeah, keeping a hot water heater outside is now a tradition. No one wants to enter the house with dirty legs or muddy bodies after farming on land. So having a hot water shower on the outside is the best solution. 

Is a 20 gallon water heater enough for shower?

 – More than enough, even a 5-gallon water heater that supplies 5 gallons of water per minute is enough for the shower. 

How do you heat outside water? 

 – Using a hot water faucet or hot water heater run by gas or battery is the best solution for heating up the water outside. 

Final Note

So far, you guys have learned about the best hot water heater for outdoor shower, so hopefully, you guys won’t get home with dirty body after playing on fields or working. An outdoor shower doesn’t allow the dirt and dust to enter our house, so using a hot water outdoor water heater is quite necessary now. Hopefully, you guys will have the best one for you. 

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