7 Best Outdoor Propane Tankless Water Heater In 2022

It is traumatic to wash your face or take a shower with chilled water in winter. That’s why; the best outdoor propane tankless water heater is a must! 

The market is flooded with both tank-style and tankless devices, so picking the right unit can be challenging. Although standard water heating systems are still very popular, state-of-the-art tankless heaters could provide numerous benefits. 

They are not only a fantastic choice for modern, energy-saving-conscious families. They are also an impeccable option for individuals living off the grid and those having a wonderful time mesmerizing outdoors. 

With the best Rinnai outdoor propane tankless water heater, you will never run out of warm water or worry about hefty utility bills. Gas-powered units are highly efficient. But if you are located in a place where natural gas is unavailable, propane offers an inexpensive and flexible substitute. 

In this guide, we’re going to share our top 7 picks for the best tankless outdoor propane water heater for the money. We created this list based on various features, such as max GPM, price, BTUs, consumer rating, energy-efficiency rating, etc.

What Is The Best Outdoor Tankless Propane Water Heater?

An outdoor device heats water as it flows through and is exclusively designed for outdoor deployment. The biggest advantage of these units is that they deliver nonstop hot water, unlike tank-style models. 

They are also extremely efficient, ranging from 80% to 99% efficient. Furthermore, they use copper heat exchangers that swiftly heat the water as it travels through the machine and whenever you need it. 

When you deploy it outdoors, a venting system is not required because it is already installed outdoors. The best locations to mount these appliances are in the garage or basement. But the outdoors ones are anticipated to endure the elements and freezing temperatures.

7 Best Outdoor Propane Tankless Water Heater

ImageProductPrice
Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater9.8

Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water HeaterFeature:

  • Lightweight and easy to carry
PriceRead our Review
Rinnai V65eP Propane Tankless Hot Water Heater9.5

Rinnai V65eP Propane Tankless Hot Water HeaterFeature:

  • Endless supply of hot water
Price
Camplux 5L Outdoor Portable Water Heater9.5

Camplux 5L Outdoor Portable Water HeaterFeature:

  • Automatically turns off when the water temperature is over 176°F
Price
GASLAND BE158 1.58GPM 6L Outdoor Portable Gas Water Heater9.5

GASLAND BE158 1.58GPM 6LFeature:

  • Maximum power output 41,000 BTU per hour
Price
Camplux 16L Propane Gas Tankless Water Heater9.4

Camplux 16L Propane Gas Tankless Water HeaterFeature:

  • It can be mounted in just 5 minutes
Price
Noritz NR50ODLP Outdoor Tankless Water Heater9.5

Noritz NR50ODLP Outdoor Tankless Water HeaterFeature:

  • Flexible and space-saving deployment
Price
Thermomate 16L Outdoor Water Heater9.5

Thermomate 16L Outdoor Water HeaterFeature:

  • It takes a few minutes to provide you 4.23 GPM
Price

1. Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater – Best Overall

Eccotemp L5 1.5 GPM water heater is an outstanding choice for folks who want to enjoy hot showers whenever they are traveling. You can wake up to a magnificent morning in campsites, not worrying about the cold showers. 

Best Overall
Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater

Eccotemp L5 1.5 GPM Portable

Features:

  • Only legal CSA certified portable water heater
  • Lightweight and easy to carry
  • A perfect option for outdoor recreational activities

It generates 1.5 GPM at up to 37,500 BTUs and has a 20-pound propane tank that is sufficient to provide you with perfectly warm water for many days outside your residence. 

It has a UEF of 0.8 and straightforward user controls. This amazing machine boasts two separate knobs for regulating water temperature and fuel disbursement. 

You can effortlessly increase the temperature to 140 degrees Fahrenheit, though 110 degrees Fahrenheit is comfortable for many people. 

It can create hot water with a lower water pressure of 20 PSI. Besides, we are quite happy with its performance and quality. Best of all, it is portable, so you can carry it with you wherever you want. 

The flow rate of this best outdoor portable propane tankless water heater is only 1.5 GPM; if it is insufficient for you, you can get a 12V Eccoflo water pump to boost its water flow rate to 3 gallons per minute.

Specifications:

  • Installation Method: Wall-mounted
  • Material: Metal
  • Voltage: 3V

Pros

  • Affordable
  • Works with lower water pressure
  • Two separate control knobs for temperature and fuel

Cons

  • Poor quality controls

It is a superb propane-fueled appliance that comes with a CSA certification, so you can feel confident whenever you utilize it. It is our number #1 pick because it’s versatile, portable, and cost-effective.

2. Rinnai V65eP Propane Tankless Hot Water Heater

Rinnai is one of the prominent water heater brands in the world. They produce dryers, heating appliances, kitchen appliances, fryers, grillers, etc., for residential and commercial use. 

Great Value
Rinnai V65eP Propane Tankless Hot Water Heater

Rinnai V65eP Propane Tankless Hot Water Heater

Features:

  • Endless supply of hot water
  • Compact and easier to mount
  • Enhanced scale detection lowers the hazards of damage to the device
  • 5-year labor warranty

If we talk about this particular tankless model, it features a flow rate of 6.5 GPM. It has a Control-R 2.0 app that has timers and lets you schedule the unit to turn on and off according to your needs remotely. 

Besides, this best outdoor propane tankless water heater has a vacation mode. Its compact design permits you to save valuable space even with an outdoor installation. 

You can expect to get a reliable, limitless hot water supply at your preferred temperature from this incredible machine

The installation of this device is quite simple, and you can get water for two bathrooms easily, depending on the temperature of incoming water and your ideal temperature.

Specifications:

  • Voltage: 110v
  • Size: Large
  • Weight: 47.4 pounds

Pros

  • Can be used by Control-R 2.0 app remotely
  • Great component quality
  • Works as expected

Cons

  • Must be installed by a professional

Rinnai V65eP is a rare mobile home-certified water heater. It can withstand colder climates and has an optimal water pressure of 6.5 GPM. The best thing that we like about it is that it’s lightweight and covered by 10 years heat exchanger warranty.

3. Camplux 5L Outdoor Portable Water Heater

Camplux 5L is one of the top-rated propane outdoor tankless units on Amazon. Its current users are completely satisfied with its high performance. One of the recent reviewers stated that since it arrives with all necessary features, it is the best overall water heating system. 

Premium Choice
Camplux 5L Outdoor Portable Water Heater

Camplux 5L Outdoor Portable Water Heater

Features:

  • Approved by CSA safety standard 
  • Automatically lowers water pressure between 3 to 110 PSI
  • Automatically turns off when the water temperature is over 176°F

We have added it to our list because it’s portable and affordable. Bearing in mind its portability, energy efficiency, and innovation, it’s stunningly crafted.

Additionally, it can help you save a lot of money on energy bills. If you are a traveler who desperately needs a portable and compact machine, you would really like it. 

You can comfortably take it with you anywhere you go. If you need water to wash your pets, car, or boat, this exceptional appliance has you covered.   

Specifications:

  • Max flow rate: 1.32 GPM
  • Power source: Battery powered
  • Weight: 10 pounds

Pros

  • Compact size
  • It comes with anti-freezing and overheating protection
  • Features 11.5% energy-saving technology
  • Maximum power output 28,000 but per hour

Cons

  • You will need to be cautious with propane

Invest in this amazing model and take advantage of its countless advantages. It boasts everything you need, from a perfect water pressure range to various protection features.

4. GASLAND BE158 1.58GPM 6L Outdoor Portable Gas Water Heater

Gasland BE158 water heater has an overall weight of 15 pounds, so it is super-easy to carry. Its width is just 11 inches, and its height is 17 inches. It means mounting it will not be a problem for you in your house outdoors. 

GASLAND BE158 1.58GPM 6L

GASLAND BE158 1.58GPM 6L Outdoor Portable Gas Water Heater

Features:

  • CSA approved safety
  • Shuts off when temperature surpasses 167 °F
  • Maximum power output 41,000 BTU per hour
  • It just requires 2.5 PSI of water pressure

This mind-blowing product has impressed us the most because of its multiple safety and protection features. To guarantee your and your family’s safety, it has a flame failure device, overheating protection, and anti-freezing protection. 

Besides, there’s an anti-freezing drain plug that is responsible for releasing any residual water to prevent freezing. We are also using this device, and it works as advertised. 

It’s lightweight and has an eye-catching design. We are happy with the ability to get warm water for all our household errands. 

Specifications:

  • Power source: Battery powered
  • Material: Alloy steel, copper

Pros

  • Reasonable price
  • Equipped with 11.5% energy-saving technology
  • It comes with an installation guide

Cons

  • Batteries are not present
  • Might have issues with the hose

This best small propane tankless outdoor water heater for small house has a long list of innovative features, so you can invest in it without thinking too much. 
You don’t have to spend thousands of dollars on it, as it comes at a very cost-effective price tag. Have access to hot water 24/7 with this remarkable unit.

5. Camplux 16L Propane Gas Tankless Water Heater

This device functions on propane and is intended for exterior mounting. Its water output flow rate is 4.22 GPM. It also features a digital temperature display that allows you to set different temperatures accurately according to your desire. 

Camplux 16L Propane Gas Tankless Water Heater

Camplux 16L Propane Gas Tankless Water Heater

Features:

  • It can be mounted in just 5 minutes
  • Works when water pressure is between 4.0 to 110 PSI
  • Stops working when the temperature exceeds 167 °F

Its design is simple and elegant. On the other hand, this water heater can help you accomplish 88.5% thermal efficiency. It’s guaranteed that you will get instant and nonstop hot water with it. 

If we talk about its safety functions, it equips flame failure, anti-freeze, and overheating protection systems. The maximum power output of this excellent appliance is 110,000 BTUs per hour.  

Specifications:

  • Power source: Battery source
  • Voltage: 3v
  • Watts: 32kW

Pros

  • A perfect option for camping, cabins, etc.
  • Offers great value for money
  • Amazing customer support
  • It commences and stops automatically depending on the use

Cons

  • Packaging needs improvement

This best tankless outdoor propane water heater for the money is perfect for washing pets and outdoor showers. Plus, it has temperature control sensors, making it easier for you to monitor the temperature.

6. Noritz NR50ODLP Outdoor Tankless Water Heater

Noritz NR50ODLP has made its position in our list because of its lightweight and easy installation process. It saves you from calling an experienced plumber to install this unit and charging additional costs for it. 

Noritz NR50ODLP Outdoor Tankless Water Heater

Noritz NR50ODLP Outdoor Tankless Water Heater

Features:

  • Provides you limitless hot water
  • Features low NOx technology
  • Flexible and space-saving deployment

Buyers are happy with its performance and efficiency. This propane-powered device can be installed outside your residence. You can get instant warm water at a rate of 5 gallons per minute. 

It requires a valve kit for outdoor installation. Furthermore, it operates at high efficiency and helps you save a significant amount every month on thermal expenses. 

Specifications:

  • Material: Polycarbonate
  • Power source: Propane
  • Certification: Energy star

Pros

  • Compact design
  • It weighs only 33 pounds
  • It comes with a 12-year heat exchanger warranty

Cons

  • It does not support multiple showers
  • A separate valve kit is needed

Easy installation, high efficiency, and various safety features make this unit an ideal option for its users. If you are unsure how much warm water you need, you can buy it to get quick access to warm water once you return from your expenditure.

7. Thermomate 16L Outdoor Water Heater

If you are on the outlook for a high-performance machine for your boat, RV, or cabin, this best outdoor propane tankless water heater is a sensible choice. 

Thermomate 16L Outdoor Water Heater

Thermomate 16L Outdoor Water Heater

Features:

  • It takes a few minutes to provide you 4.23 GPM
  • Equipped with many safety and protection features
  • Lightweight, portable design

This tiny and compact unit works like a charm, delivering you with 4.23 GPM of seamlessly warm water wherever you are. What makes it stand out from others is its dual solenoid valve design. 

This function lets this device start heating even with the lowest water pressure. It activates the heating procedure with only 0.7 PSI of water pressure.

This machine also features anti-freeze protection and a flame failure device like other outdoor units. It can make your excursions more worthwhile because it does not put your family in any harm. 

We also like its sleek and simple design. The controls are easy to use, but the temperature display could have been larger.

Specifications:

  • Weight: 23.4 pounds
  • Pressure Range: 0.7-138 PSI
  • Fuel type: LPG

Pros

  • Works in many settings
  • Faster flow rate
  • Sleek and uncluttered design
  • Reasonable price

Cons

  • Small temperature display

Thermomate ZERO16 best propane tankless water heater outdoor deserves your consideration, especially if you love camping with your family. Having warm showers whenever and wherever you want during your journey is a guarantee many families will never want to miss.


best outdoor propane tankless water heater

How To Select The Best Propane Tankless Outdoor Water Heater For Small House?

Capacity

One of the most critical considerations for the best propane tankless water heater for cold climates is how many faucets the heater can facilitate at once without compromising on the water temperature.

You will obtain specification manuals with your unit that will give you information about the number of fixtures that can be run at once and at what temperatures, flow rates, incoming temperature, and weather conditions. 

Different types of climates require diverse capacities. You should prudently determine how frequently you need the hot water and whether the device you have picked can deliver it sufficiently.

Applications

You should figure out where you will use the heater and what the applications are. If you want to utilize the best outdoor propane tankless water heater for a shower, you will need a higher flow rate. 

Nevertheless, if you need it for small chores, like washing hands or dishwashing, you can opt for a unit with a small flow rate.

Maintenance

Your outdoor propane tankless appliance will need maintenance if you have hard water. You can flush it with a descaling agent annually or every few years, depending on your house’s size, to eliminate the accumulation of mineral deposits.

Compatibility

You need to confirm your new machine fits seamlessly with your residence’s pipes. Decrease your expenditures and limit the costs as much as you can.

Warranty

Before buying the best propane tankless water heater for cold climates, make sure to read the reviews to know about the real-life warranty of the unit. 

Some brands provide 10-20 years’ warranty. However, some companies only offer 1-2 years’ warranty. Some manufacturers fail to honor their warranty.

Weather Protection

Your outdoor unit should be able to work flawlessly despite any sort of climate conditions that it is exposed to. Typically, in colder weather, freeze protection is compulsory for the effective working of the device. 

It should be safeguarded against corrosion from rainwater. Moreover, your appliance should be able to prevent water and sediment from seeping into it as it can create serious issues in the long run. 

Gallons Per Minute

It is essential to determine the correct size of the best propane tankless outdoor water heater for small house. While determining it, evaluate two things. 

First, determine how much water flows through each faucet and appliance per minute. For instance, a kitchen tap needs at least 1 GPM, while the showerhead requires 2.5 GPM. 

If you have 1 bathroom and 3-4 faucets, you will need approximately 5.5 GPM when all faucets are run simultaneously. Second, determine the incoming water temperature and your desired temperature. 

Figure out the difference between both to know the temp rise you need for your heater. If your groundwater temperature is 50° and your ideal temperature is 110°, the temp rise you require is 60°. Therefore, you should look for a propane unit with 5.5 GPM at a 60° temperature rise. 

Conclusion:

Energy-smart and environment-friendly best outdoor propane tankless water heater offer virtually instant warm water with minimal waste. It can be a portable system you can carry with you to your adventures or a fixed device supplying constant hot water to your residence. 
We hope our guide has assisted you in finding the right unit for your unique requirements. Do let us know which propane-fired unit you liked the most and why it is a perfect option for you in the comments section.

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