Best Propane Tankless Water Heaters Reviews and Buying Guide 2022

To buy the best propane tankless water heater is not an easy task, especially when it comes to knowing some of the unique factors, including warranty time, performance, and price. Nowadays, many people are curious to buy propane tankless heaters, but they are not sure to buy them due to a lack of sufficient knowledge.

So, down in this post, we provided some propane on-demand water heater reviews that are top-rated and affordable to buy, and have more extended durability.

At a Glance:

All of you know that there are many best propane tankless water heaters with different models and types. So, after testing another variety of best tankless propane water heaters, we mentioned some top products.

Watch this complete video to know about the working of a propane tankless water heater!

Our Recommendations for Best Propane Tankless Water Heaters

AwardDesignTankless Water HeaterRetailer
Best Rated Tankless Hot Water Heater
Best PickRinnai Indoor
Check Price
Best for Liquid Propane Gas Heater
Staff PickEccotemp FVI12-LP
Check Price
Best Outdoor Tankless Water Heater
Budget PickGASLAND
Check Price
Top Rated Tankless Propane Water Heater
Complex 1/2″ NPT
Check Price
Propane On Demand Water Heater
Tengchang 10L 2.6 GPM
Check Price
Small Propane Tankless Water Heater
Rinnai RU199iN
Check Price
Propane Point of Use Water Heater
TC-Home 4.8GPM 18L
Check Price
Propane LPG gas Tankless Water
Ridgeyard Modern 8L
Check Price

Rinnai Indoor

Best Rated Tankless Hot Water Heater

Best Pick
Rinnai Indoor– Best Rated Tankless Hot Water Heater

This Rinnai model is the best indoor propane tankless water heater which is a collection of different factors, including high efficiency, durability, and affordable price. This is made explicitly for little places due to their small size. However, it can work for both propane and natural gas. It is top-rated propane tankless water heater.

Its space-saving design is the first factor which we like the most. It is made explicitly for indoor places with 14.04 x 9.27 x 26.9 inches and 45.6 pounds. Due to its small size, you can easily install it anywhere in your home. Moreover, you don’t need to arrange a specific location for this heater to install.

With a constant and powerful stream, this heater is based on a 6.5 GPM flow rate high enough to run multiple water taps at a time. Furthermore, with a constant stream, it’s becoming an ideal brand for most users.

With UEF certifications and many innovations, this tankless propane gas water heater is not gaining importance day by day. Using a mobile app helps to use it without a wired connection. Using this mobile app, you can control entire functions with remote control models.

Bottom Line

Hence, it’s one of the valuable brands to know about the size, working efficiency, GPM rates, and usage. We highly recommend using this heater to install at your home, mainly when running out of space.

Pros

  • Compact design
  • Easy to install, use less space
  • Work efficiently with a mobile app
  • Have energy-saving features

Cons

  • You may need a plumber to install for the first time
  • It does not offer all parts with a package

Eccotemp FVI12-LP

Best for Liquid Propane Gas Heater

Staff Pick
Eccotemp FVI12-LP– Best for Liquid Propane Gas Heater

If your primary purpose is to buy and install a tankless water heater based on design to make your places beautiful, this Eccotemp brand is made for you. It has a modern design that perfectly fits indoor or outdoor places. Furthermore, it is included in the list of the best liquid propane tankless water heater reviews.

The most important and attractive features we loved the most are its compact design with ideal dimensions and lightweight. Dimensions are 25 x 14.5 x 4 inches, and its weight is 33 pounds which makes it lightweight. It’s easy to carry and transfer from one place to another. With a horizontal stainless steel venting kit, it works for a long time. The package also includes a 110 volts power cord to use for later.

This tankless propane gas water heater is highly efficient with a 3.6 GPM rate, an instance hot flame, and efficient energy exchange. The best thing about this product is that it only activates when you need it. It is easy to run many hot water appliances at a time using this hot propane water heater.

Its fully automatic temperature control and display are some of the outstanding features that we like to mention. You can adjust the temperature range anytime, depending upon your need and wish. Moreover, it is designed by using modern technology, which is related to quality control functions.

This eccotemp brand has an energy-efficient, and energy-saving feature/ It only uses 2 watts of energy, and you don’t need to install a power light to start. Moreover, it’s free of errors and unusual distractions, including noise.

Bottom Line

Hence, if you want an energy-efficient, energy-saving, high GP rate water heater of propane gas, this eccotemp should be your tops choice. It not only helps to save your space but also saves your energy bills.

Pros

  • Touch screen with digital temperature display
  • Automatic temperature control
  • Light in weight and easy to install
  • Perfect and attractive design for small places

Cons

  • Not suitable for coldest climates

GASLAND

Best Outdoor Tankless Water Heater

Budget Pick
GASLAND– Best Outdoor Tankless Water Heater

This brand is a CSA-certified brand with an anti-failure feature and anti-freezing protection with automatic pressure increasing and decreasing features. It is best to use for outdoor places and is made for the coldest environments based upon its working efficiency. It is on the top of the list of outdoor propane tankless water heater reviews.

With lightweight (22 pounds) and a compact design (dimension: ‎21.7 x 13 x 7.1 inches), it is easy to carry next door without any extra effort. A single person can easily handle to move and transfer. The designers have designed this product for camping, beach, and other outdoor activities to make your trips and outdoor visits memorable and enjoying moments. Further, using this heater, you can wash your pets in your garden or the parks.

With an endless water heater, it has a 68,000btu/hour total output. There is no distortion when it provides water. It starts with a low water pressure of about 3.6 PSI start-up and then increases slowly. Water efficiency is 2.64 gallons per minute, making it suitable for personal and other outdoor usages. Moreover, you don’t need to wait for preheated water as it directly offers hot water simultaneously.

It is designed to save energy up to a maximum extent compared to other traditional water heaters. Heat exchanger and burner works with advanced technologies which aim to burn less gas at a time. The heat and water flow are easy to adjust according to your need.

Bottom Line

So, if you need a water heater which is flexible in working and saves your energy bills, this product could be your need. It does not require any pressure or preheats energy to start but providing endless hot water is easy for this product without extra struggle.

Pros

  • Highest flexibility
  • It saves energy and bills
  • Not no need to pre-pressure or preheat
  • Compact design saves up to 12% of energy

Cons

  • Adaptors need to purchase separately

Complex 1/2″ NPT

Top Rated Tankless Propane Water Heater

Complex 1/2″ NPT – Top Rated Tankless Propane Water Heater

If you wish to enjoy the luxury of the outdoor hot shower, this Camplux brand is for you. With high GPM, it provides endless hot water, which helps to gain your goals which you want to finish using constant hot water. We can say that it is the best on-demand propane tankless water heater.

Furthermore, it is ideal to use for cabins, small apartments, and tiny homes. Let’s see its unique and astonishing features that attract people to buy and use this tankless propane gas water heater.

With gas inlet and standard 1/2″ NPT water fitting, it is easy to install at any place. 2″ horizontal vent pipe ensures efficient and fast installation. Everyone, even a newbie, is easily capable of installing this heater. With a minimum input rating of 68,000 BTU and a gas regulator, it has adaptors for males and females.

It has an elegant design that helps to save your space with dimensions of only 12.8 x 5.91 x 20.28 inches. A digital temperature control display does not only make its usage easy but is also helpful to make your place professional and beautiful.

It offers a hot water flow rate with 2.64 GPM capacities which are fantastic to provide hot water. Now it’s no worry if you are next to the middle of the bath; it will never turn off until you do it yourself. You can quickly turn it for cold or the coldest climates with further winter and summer seasons mode. You can use its summer mode in less cold temperatures, and in the coldest climates, you can use its winter mode.

All these features make it the best propane tankless water heater.

Bottom Line

Hence, Camplux has endless hot water capacity and is confident about minor oxygen omission. The best feature of this product that we like the most is its high GPM rate and constant water supply.

Pros

  • Temperature control display
  • 88.5% thermal efficiency
  • 2.64 GPM flow rate
  • Easy to install and use

Cons

  • Vent pipes are unavailable

Tengchang 10L 2.6 GPM

Propane On Demand Water Heater

Tengchang 10L 2.6 GPM– Propane On Demand Water Heater

It is another top-rated tankless water heater due to its combustion and energy-saving technologies. If you are installing this tankless heater at your home, it means that you will never run out of water supply. Here are some of its exciting features that attract people from all around the world. Based on propane tankless hot water heater reviews, it is included in the top 5 products.

Its 2.6 gallons per minute capacity makes this enough to provide constant hot water no matter how many family members you have. But you need 4.3 inches of duct to install and run the venting system on it. In this capacity, its warm water producing rate is 25 degrees which is ideal too.

An automatic ignition system and a fluid protection system help to increase its overall warranty time. It’s also designed for over-liquid protection with exclusively fast water rates.

A temperature display control is another factor that is needed. People love this feature as it makes them choose the temperature as per their wishes and needs.

Its winter and summer modes are other reasons which make this heater easy to use depending upon the environment. If you live in the highest cold climate, then choosing a winter mode is good, and if you live in the lowest complex models, running the heater in summer mode is recommended for better performance.

To operate this heater, you need a minimum water pressure of 3.6 bars. Off-grid friendly models must meet that requirement. As well as the temperature of the external air being at least 17.6 degrees Fahrenheit. Max air temperature is 113 degrees Fahrenheit.

Bottom Line

Overall it’s excellent and outstanding due to high performance. But it does not come with a propane gas hose. And it would help if you bought this separately. Overall, its summer and winter modes, highest GPM rate, and other features are great and enhance people’s interest in purchasing this product after first look and review.

Pros

  • Automatic ignition system increases performance rate
  • Both winter and summer modes
  • Affordable rates

Cons

  • It requires water pressure to run

Rinnai RU199iN

Small Propane Tankless Water Heater

Rinnai RU199iN – Small Propane Tankless Water Heater

Rinnai RU199iN is the best-rated tankless propane water heater that comes with advanced technology. Circ-technology has an 11 GPM flow rate that is enough to run your whole house. Its compact and innovative design allows it to be installed in non-traditional locations such as the attic and closet.

These heaters last nearly twice as long as traditional tank water heaters and save energy by only heating the water when it’s required. The typical lifespan of a solar water heater is 20 years, which is nearly double that of a regular water heater. Other wifi connections increase its demand.

Circ-Logic technology, which brings the best recirculation patterns. It signifies that you will receive warm water simultaneously every day for the following few days. You don’t need to wait for hot water and create a timetable based on your routine.

This machine is incredibly efficient. Invest once, and you will save money regularly. It does not heat up ahead of time, but it may mimic your everyday routine of providing warm water without your intervention.

It has seven fixtures and the sense to attach to the internet via wifi. It has been approved by the SCAQMD to bring additional charm to consumers.

The power source for this Rinnai model is natural gas. It’s important to remember that natural gas has a greater flow degree than electricity. In this respect, it can be argued that this design utilizes the most effective power source to get outstanding outcomes. If natural gas is readily available in your neighborhood, you should purchase this product with limitless services.

It has an energy star rating, which adds to your trust in this water heater. However, keep in mind that the design and technology prevent it from being used outside(indoor propane tankless water). Install in an indoor location to reap the most benefits.

Bottom Line

Hence it is one of the best propane gas heaters with the Circ-Logic technology option which helps to recirculate. This helps to work the heater for a long time and enhance its warranty time.

Pros

  • The flow rate is good
  • Small in size and save space
  • Warm water indefinitely
  • The option of recirculation

Cons

  • Not for outdoor use

TC-Home 4.8GPM 18L

Propane Point of Use Water Heater

TC-Home 4.8GPM 18L– Propane Point of Use Water Heater

TC-Home is the best Propane water heater imposing and innovative owing to its productive features. It can efficiently handle fluid pressure problems, suited best for household purposes. It provides greater safety merging and capability criteria and is known best for its storage capacity.

It works in a highly appropriate way to facilitate the buyer. Being used by wind energy prevents all kinds of pollution and environmental harm. It is used at Propane Tankless water heaters; it gives the customer the most reliable and well-being product.

The Propane heater system works as a safe liquid exchange method, controls liquid leakage. It is based on modern technology and includes alternative features. It supplies desired temperature water at the required time. Propane heater gives well-managed ignition automated response.

The heater exchange and main burner comprise an advanced energy-saving system. It works through combustion technology to decrease fuel consumption and burn noise and deliver a large amount of hot water at less supply usage. It works at a higher quality as opposed to other heaters.

Being more efficient, it is still less costly. It is the cheapest to use by customers. Low usage of fuel also contributes to its character. It lessens the cost of installing the product. Propane Heater decreases the price by 25%.

It ensures the acceptable performance of the gadget throughout its use. Propane Heaters provide excellent quality products that increase efficiency. The overall working potential is guesstimated through up to mark.

The massive capacity of the heater adds to the quality of the product. It gives solutions to manage problems. It has a press release valve that provides safety criteria.

Bottom Line

The propane tankless water heater is the most reliable product to use. They provide a wide range of characters. Being eco static and fuel-saving, it directly helps buyers. Propane heater works as energy regulating and at maximum readiness.

It has high-ranked performance, which prioritizes your security by incorporating a flame failure device needed to adjust. The propane heater is best known for its competitive hallmarks. Based on features it is a whole house tankless water heater propane.

Pros

  • Efficient in working
  • Excellent flow rate with massive capacity
  • Budget-friendly

Cons

  • Need extra budget to work

Ridgeyard Modern 8L

Propane LPG gas Tankless Water

Ridgeyard Modern 8L– Propane LPG gas Tankless Water

If you desire unlimited hot water, the Ridgeyard contemporary gas tankless water heater is a good option. This model runs on propane gas and has a 3.2 GPM flow rate. This tankless heater will turn off at 167F, which is its unique feature, and hence it is safe to use.

With its stainless steel display, it has a contemporary appearance. It also has an LCD display that lets you see the water temperature measurements. The device’s warm and cold water sets may be controlled effectively. You can effectively remove the water waste with its anti-freezing technology so that it does not damage your heater during chilly nights.

The confounding characteristic of this gas-based heater is its exhaust system. The standard way of the gas exhaust is open and force flue exhaust type. It prevents the building of high pressure and provides a reliable path. This lets the air flow smoothly and provides ease of system to constriction as well. The flexible gas line supplies an adequate amount of Propane to the base system. It helps in the flow of Propane quickly.

Being a smoothly running device, it gives the buyer the best of services. Propane Heater gives an acceptable performance in each regard; the working criteria are pretty safe and valuable. The propane heater offers features like automated ignition and an insulated system. It has positive environmental effects without causing any damage to the environment.

This highlighted feature adds up to the user ease of buyers. It is safe to use and handle. This is truly the latest technique of construction. Propane Heaters are safe to manage. They

have specialized knobs and valves, which help in adjustments and amelioration. Significant structural changes in controls and blowers boosted the working aptitude of storage capacity.

A propane gas heater implies heating techniques in a capacity of 8 liters. This capacity is quite enough to deal with managing requirements. It allows the buyer to have a choice in the product.

Bottom Line

This works by improving the technical features of gadgets. Over other products, Propane Tankless Heater is known best for its competitive hallmarks.

Providing bespoke services at the desired time makes it an apex product. The control board of the device needed to adjust once. One should wisely choose the product to use.

Pros

  • Easy to handle
  • Have technical support
  • Smooth temperature control
  •  Budget-friendly

Cons

  • Not ideal for large household
  • Non-standard diameter vent pipes

Summary for Best Propane Tankless Water Heaters

AwardDesignTankless Water HeaterRetailer
Best Rated Tankless Hot Water Heater
Best PickRinnai Indoor
Check Price
Best for Liquid Propane Gas Heater
Staff PickEccotemp FVI12-LP
Check Price
Best Outdoor Tankless Water Heater
Budget PickGASLAND
Check Price
Top Rated Tankless Propane Water Heater
Complex 1/2″ NPT
Check Price
Propane On Demand Water Heater
Tengchang 10L 2.6 GPM
Check Price
Small Propane Tankless Water Heater
Rinnai RU199iN
Check Price
Propane Point of Use Water Heater
TC-Home 4.8GPM 18L
Check Price
Propane LPG gas Tankless Water
Ridgeyard Modern 8L
Check Price

Buying Guide for Propane Tankless Water Heater 2022

Besides getting a hot water solution by propane gas water heaters, many other factors to consider before buying it. Furthermore, some may require a low flow rate, and some may require a high.

Similarly, some of you need normal hot water, and some need constant scalding water. So, here is a complete guide and factors you need to consider while buying a propane tankless water heater.

Type of Heater

Considering the type of best propane tankless water heater is the first and foremost factor which you must consider. A propane gas water heater has two styles: an indoor water heater and an outdoor water heater.

If you think you need it for outdoor activities, then go for an outdoor tankless heater, and on the other hand, if you need hot water for house use, then buying an indoor tankless water heater is recommended.

An indoor tankless water heater is designed for in-house purposes and has an extensive design compared to an outdoor heater. Furthermore, a pipe and some other accessories are required to install and run it.

An outdoor water heater is small in size and is specifically made for outdoor activities. It works efficiently at any range of temperature, even at zero temperature zones. Specifically, this type of heater is designed for outer activities, including RV and camping.

Flow Rate

Another critical factor is the flow rate in GPM which means about how much hot water it delivers per minute. A higher flow rate means you choose the best model and brand for hot water supply to meet your needs.

Now the questions about how much GPM you should see for the best brand? Its answer is not simple as many of the factors are needed to consider in mind, from your water requirements to the appliance you want to use for hot water. It may be a tap, a shower, or you may require it for the whole home.

On average, a 1 GPM rate is enough if you only need hot water for the tap. And if you want to run a shower, a GPM rate of 2 is enough to use.

On the other hand, if you want to buy a heater for the whole house to run your washing machines and fill your tubs, you need a heater with a GPM power of about five or more. 5 GPM rate is the lowest recommended rate for the whole-house tankless water heater.

This GPM rate is also dependent on the areas and their height from the earth. For more, those who live in the highest altitudes may need a high GM rate compared to those who live in low altitudes.

Power Output

Commonly heating power output is measured in British Thermal Units. It is an amount of energy required to raise 1 pound of water by 1 degree Fahrenheit of temperature units.

This output is related to the GPM rates and also to your hot water demands. On average hot water with a 9 or more GPM rate delivers 25 000 to 200,000 of heat.

Design

The design of a propane water tankless heater, including size and weight, is another essential and versatile factor. If you can afford weight and a large-sized heater, then you can buy it.

On the other hand, a lightweight water heater is recommended. Furthermore, a small water heater is more likely to save space and is easy to install.

An LCD is another essential part of the design. A heater that has an LCD temperature display is easy to use and determine your hot water need. Furthermore, you can set the temperature as per your need.

Efficiency

Another important thing that you need to consider is the efficiency of a propane gas tankless water heater. It should have a maximum efficiency of about more than 90 % so that you don’t face any trouble while it’s working.

You can read this efficiency value on each product, or you can read customers’ reviews on that product to make your choice best and satisfied.

Condensing Vs. Non-Condensing Brands

This is another factor based on which you can select a heater and make your choice perfect for further. Condensing models are those where not much heat is lost. The heat released from the process is then used to heat the water again in the next phase.

While on the other hand, in the Non-condensing brands, a lot amount of heat is lost. In this way, it also makes your gas bills very high.

So, on an overall prediction, a condensing brand is good to buy a non-condensing brand.

Ventilation Requirements

Ventilation of the heater is another crucial factor to look at. Some heaters have separate ducts and ways of entry of oxygen and removal of carbon dioxide. But similarly, there are some models which have concentric chimneys for access and existence of these gases.

The latter one is best, but it may be heavy. However, ventilation requirement differs from product to product. We recommend making sure of the ventilation process and needs about a brand before purchasing it.

Frequently Asked Questions

How big a propane gas tank do I need for a tankless water heater?

The tank size depends upon your hot water demands and family members at your home. On average, a 20 bottled tank size is enough to provide on-demand hot water. If you have a large family, then you may buy any large size tank.

Do I need to upgrade my gas line for a tankless water heater?

Yes, upgrading the gas line saves your money to buy a new heater and other elements you require for constant hot water.

Do propane tankless water heaters need to be vented?

Yes, it is better to install a ventilation system for a propane gas tankless water heater. But it’s not a hard and fast rule. A propane heater can generally work without it. However, it is recommended to use.

How many amps does a gas tankless water heater use?

It depends upon heater types and their GPM rate. However, on average, it uses 170 amp of current.

Can I use a propane gas tankless water heater for the whole house?

Yes, but make sure the size and hot water demand as other brands have different sizes of products.

Final Verdict

Above is a complete review and guide on the best propane tankless water heater. We hope that the above guide is enough to make your choice excellent and easy. Don’t think much about it; buy a propane gas heater, and install and enjoy constant hot water.

If you are still confused, here is an overview of top picks to narrow down your choice.

  • Rinnai Indoor– Best Rated Tankless Hot Water Heater, Due to its performance and easy installation it’s considered as best overall.
  • Eccotemp FVI12-LP– Best for Liquid Propane Gas Heater, Due to working fast on liquid propane gas, this is one of the tops heaters which actively starts without any electricity usage.
  • GASLAND– Best Outdoor Tankless Water Heater, It is top-rated brands which is well reputed because of u

For further information, feel free to ask any questions and keep reading our latest posts.


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By Bella Rose

Hello Everyone! I'm Bella Rose. I believe in spending wisely when it comes to knowing about home and kitchen appliances. Spend smartly and make your home smart.


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