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Best Gas Tankless Water Heaters for 2021 – Reviews & Buyer’s Guide

November 7, 2020 by Adam Leave a Comment

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Winter might be your favorite, but do you love bathing in winter? No, right?

It’s all cozy and comfortable unless you have to take a bath, or you have to do the dishes. Do you need to give yourself a Pep talk every time you have to take a bath or do any charges related to cold water?

The best gas tankless water heaters are the real saving grace. The tankless gas water heaters are not only cost-effective but also compact and perfect for your day-to-day chores and ideal for showers as well.

When purchasing the best natural gas tankless water heater, a little research would never hurt. We can help you out in suggesting some of the best options for the gas tankless water heater that might be the perfect fit for your house.

We have a combined list of best Tankless Water Heaters that use Gas to heat up the water based on the reviews and quality of the water heaters. You will find out some combat water heaters that are entirely cost-effective and efficient.

Now doing house chores or bathing during winter will not be difficult as it was before. So ride along and find out the best gas tankless water heaters.

Table of Content hide
10 Best Gas Tankless Water Heaters
1. Camplux 5L 1.32 GPM – Best Overall
2. Rinnai V65in – Gas Tankless Water Heater
3. Rinnai RU199iN – Super High-Efficient
4. Eccotemp i12-NG Tankless Water Heater
5. Rinnai RUC198iN Ultra Series – Best Indoor Gas Water Heater
6. Takagi T-H3-DV-N – Gas Condensing Tankless Water Heater
7. Rinnai RU180iN Tankless Water Heater
8. Eccotemp L10 3.0GPM Tankless Water Heater
9. Noritz NRC66DVNG – Indoor Condensing Tankless Water Heater
10. American Standard TCWH199S-AS-NG
Conclusion
Buying Guide
Frequently Asked Questions about Gas Tankless Water Heaters
Related Posts:

10 Best Gas Tankless Water Heaters

Best Gas Tankless Water Heaters Reviews

Check the tankless gas water heater reviews and decide which one of these heaters are the natural gas tankless water heater for you. This list of best gas tankless water heaters has the top-selling products with promising gas tankless water heater reviews. Our selection of the best gas tankless water heaters won’t disappoint you.

1. Camplux 5L 1.32 GPM – Best Overall

Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water HeaterThis Portable tankless water heater by complex is the perfect product you can use for having a quick warm water supply. This is a CSA approved Portable tankless water heater available in the US and Canada market. The best part about using this Portable tankless water heater is it requires the least pressure to start working. About 3.0 PSI is the necessary amount of pressure to start up this tankless water heater.

This water heater of Camplux can also work well with another Camplux Portable tankless water heater, which works with 12 volts to supply 1.2 gallons per minute. It has a good range of temperatures that can raise the maximum temperature of up to 114.8 degrees Fahrenheit. The minimum temperature it can increase is 46.4degreese Fahrenheit, which is 8 degrees Celsius for 1.32 gallons per minute. This product is designed to be very compact and portable, along with a folding handle, making the water heater easier for you to carry around.

Moreover, it also has a convenient outdoor setup, providing you easy and hassle-free installation no matter wherever you are. This device comes with anti-freezing protection, which is why it can be used in extreme temperatures without even thinking twice. The anti-freezing protection feature allows it to maintain its efficiency even while it’s snowing.

The other features include a flame failure device that shuts it off in case of flame failure and oxygen depletion safety shut-off protection, which can protect you from different kinds of hazards and accidents. It is very efficient to use as it can supply you with 1.32 gallons per minute of hot water.

Why do we like this product?

The Camplux heaters are the best gas tankless heaters for saving energy as you can get instant hot water supply, which is endless, and the device works with propane. Camplux water heater is powered by 2 d cell batteries, which can be easily replaced. It can be wall-mounted easily because it has an effortless installation and is available in white.

It uses 10 kilowatts of wattage and 3 volts of voltage, and the power source it uses is the battery. The hose length is five feet, which is long enough for washing purposes. This product weighs around 14.08 pounds, and the product dimensions are 11.42 x 4.33 x 14.8 inches. The product includes accessories like a showerhead, hose, and installation hardware packs.

Pros
  • Its heating capacity is excellent
  • It has an effortless installation
  • It is extremely easy to use
Cons
  • It might get over-heated
Check Price on Amazon

 

2. Rinnai V65in – Gas Tankless Water Heater

Rinnai V65IN Tankless Water HeaterLooking for a top-rated natural gas water heaters for the average household? The Rinnai V65in is the correctly priced tankless water heater that has a capacity of 7.5 gallons per minute. It is capable of providing you water in up to three fixtures at the same time. It is a high-efficiency water heater that has an energy efficiency of up to 82%. This is an ideal choice in any climate. Don’t wait any longer to get hot what in the showers and faucets.

This long-lasting, durable water heater is a perfect choice and the best residential gas water heater for people who are looking for a corrosion-resistant water heater to supply water to the whole house without any glitches. It has a warranty of 120 months for the heat exchanger and has a 60-month warranty on the parts of the water heater.

This Rinnai water heater is a top tankless gas water heater for a small house with two bathrooms. It offers easy installation, but you need to install it indoors. You can also control this tankless water heater using the mobile application, which makes access easy and simple. With all of these incredible features, you cannot miss out on this high quality and super-efficient water heater. No doubt, this Rinnai V65 tankless water heater is an ideal choice for the best gas tankless water heaters users.

This tankless water heater’s temperature can go up to 140 degrees Fahrenheit, and it weighs only 47.4 LBS. It is an excellent choice for people who need an affordable yet highly efficient water heater. It is available in various sizes based on capacity and gallon per minute ratio.

Why do we like this product?

This tankless water heater has an excellent reputation because of its reliable performance and long term use. There is no design flaw or any issues with the supply of water. It is an excellent choice for safe use and offers easy installation. It also performs leak detection if there is any, and it does not damage because of the water.

This water heater is corrosion and rust-resistant. However, it is a little slow to respond, justified because of a very affordable price. Also, it is not best for the larger houses because of the lower gallon per minute ratio. But it works ideally for condos and no doubt, just the best gas tankless water heaters.

Pros
  • Offers comfortable and simple access and installation
  • Long warranty available
  • Affordable choice
  • Highly convenient for installation
Cons
  • The customers complain about the Packaging of the product.
Check Price on Amazon

 

3. Rinnai RU199iN – Super High-Efficient

Rinnai RU199iN Sensei Super High Efficiency Tankless Water HeaterThis Rinnai natural gas tankless water heater by Rinnai is available in multiple varieties with different gallons per minute options. You can either purchase a natural gas water heater or a propane water heater. Both of these are available with either 7, 9, 10, or 11 gallons per minute. And both of these are the best gas tankless water heaters.

This tankless water heater only supports indoor installation, which can be suitable for your household use. The supply of water and the flow rate of hot water can vary by groundwater temperature.

There is a Guide picture that can guide you about your area on the map and the temperature, which indicates the max flow rate of your water heater and simultaneous shower supply. This tankless water heater can supply up to 7 fixtures, which means it can supply water to 7 showerheads of your house.

This product is approved by the South Coast air quality management district, making it suitable and perfect for use. One of the most exciting features it has is a Wi-Fi connection, which means it can be connected directly to your device so you can operate it through Wi-Fi. You can also run this water heater with a voice activation feature.

The voice activation feature is linked with the Wi-Fi connection, and you can control the temperature and function of this water heater. It comes with circ-logic Technology. This technology allows you to set reticulation patterns according to your choice that may coincide with your typical habits.

Why do we like this product?

The best part is you have hot water available for you whenever you need it. This one of the best gas tankless water heaters weighs around 64 pounds, which is a little bit heavy. It has an effortless installation, and it can be wall-mounted on any wall of your house. It has an energy star certification, which makes its credibility more authentic.

No batteries are required to start this heater. It has a different kind of warranty. The residential and factory warranty of this product is 120 months, along with the heat exchanger. The warranty for the labor is only 12 months.

Moreover, there is a 60 months warranty for the parts of this water heater. It is very small and compact that it only has a small suitcase, which can be perfect for installing in any indoor location. Every part of this water heater is exchangeable and can be replaced in case of any problem. It is very efficient and affordable, and it uses 40% less energy than traditional tanks.

Pros
  • It has a fantastic temperature control feature
  • This heater is built with a generous storage capacity
  • Has excellent value for money
  • Very easy to install
Cons
  • Takes a bit longer time to get warm water
Check Price on Amazon

 

4. Eccotemp i12-NG Tankless Water Heater

Eccotemp i12-NGThis tankless water heater by Eco temp can work with both liquid propane and natural gas. Eccotemp is designed so that it can be used for the whole home water supply warmed up with its gas-powered tankless water heater. It can supply water at a 3 gallons rate per minute, which is very efficient and fast enough for an average-sized house.

Eccotemp has features like reduced energy consumption as it only activates when there is a need for warm water, and it does not require any pilot light. It is designed very elegantly to look super attractive and suit your house ambiance.

The design includes a black tempered glass front panel that looks very decent and attractive. Not only this, but it also has an LED display along with the control panel. This product features completely automatic temperature controls, so you won’t have to manually maintain it manually and provide you with a hassle-free and stress-free warm water supply.

It has a safe electronic ignition system which can prevent extra heating up and catch of Fire. To get it started, you only have to plug it into a standard voltage supply of 110 volts through the electric outlet along with UL listed cord.

For Quality Assurance, it is field-tested to work efficiently at an elevated height of 5500 feet. But it is recommended not to use above this height because it can affect its efficiency and result. For hose fixing, you can use standard half-inch, NPT water fittings.

Why do we like this product?

The perfect highlight of these best gas tankless water heaters are, they come with horizontal venting, which makes it easier and convenient for you to install it and get it working. This product weighs around 28.8 pounds, and the product dimensions are 17 X 29 X 11 inches.

This natural gas water heater is available in black color and has a rectangular shape. This water heater tank is gas-powered, and it can be installed with Wall mounting style, which makes it very compact and space-saving. Eccotemp has a flow rate of 4 gallons per minute, which is fast enough, and the temperature range is from 77 degrees Fahrenheit.

Moreover, it also has an energy-saving mode, which can reduce energy consumption to the minimum, allowing you to save a lot of your gas bill. You won’t have to worry about your kids messing up with this water heater because it is made with Child lock technology, which can prevent any kind of accident or hazard along with the unnecessary mess. Isn’t it one of the best gas tankless water heaters?

Pros
  • Extremely easy to use
  • Super easy to install
  • Has great temperature control
  • The water supply is sufficiently warmed
  • Good tech support
Cons
  • Might not work where the temperature goes in minus
Check Price on Amazon

 

5. Rinnai RUC198iN Ultra Series – Best Indoor Gas Water Heater

Rinnai RUC98iN Ultra SeriesThe Rinnai indoor natural gas tankless water heater is one of the best heaters today by the Rinnai brand in the Ultra series. It is the kind of water heater that you can use for both residential and commercial purposes. It provides you with an option to be either run on propane or natural gas.

This water heater has a good flow rate ratio, which means it can supply a fair amount of water at the same time to multiple outlets in the house. It has a flow rate of up to 9.8 gallons per minute and 199,000 BTU at maximum.

This rate is high enough to supply good pressure in different shower outlets of an average-sized house. Also, remember, the Rinnai is known to be the best tankless gas water heater brand.

Not only this, but you can turn on other taps and showers all at the same time and still get a sufficient supply of pressure in your warm water. It comes with flexible PVC venting, which is very durable and sturdy.

Most of the tank water heaters available in the market are exclusive to only one venting installation type. Still, Rinnai’s water heater comes with two options for the owner, which means you can either have a concentric or a twin-pipe type venting. It works very silently and efficiently by making absolutely either low or no noise.

Many of the same sized water heaters available in the market generate louder noises when operating. But this product is specifically designed so that it runs super silently that you can only notice that it’s running by the red light indicator. No other noise can make you recognize its functionality.

Why do we like this product?

The Rinnai tankless water runs on natural gas, which saves a lot of your Electric Supply bill and saves a lot of energy compared to the electric ones. The higher heat capacity feature is also provided, keeping you from getting your heater repaired again and again due to overheating.

This product’s design is super beautiful and elegant and can support the sleek ambiance of your house. This heater weighs around 82 pounds, and the product dimensions are 10 x 18.5 x 26 inches. It has a flow rate of 9.8 GPM. And it is definitely one of the best gas tankless water heaters.

The low noise feature makes it so comfortable for the owners. The best part is that this tankless water heater comes with energy saver features, which can minimize energy consumption. That makes it one of the best gas tankless water heater.

Pros
  • It is super easy and convenient to install
  • Has a fantastic temperature control system
  • Has outstanding value for money
  • Provides adequate water supply
Cons
  • Has got high weight, which makes it bulky
  • Heavy to install at elevated heights
Check Price on Amazon

 

6. Takagi T-H3-DV-N – Gas Condensing Tankless Water Heater

Takagi T-H3-DV-NThe Takagi is a highly energy-efficient unit that also comes with a condenser. If you don’t want a tankless water heater for a small household, does energy star water heater has to be the best choice? The Takagi water heater has a capacity of 10 gallons per minute, which is perfect for a bigger house. It also comes with 10 years warranty for the heat exchanger and five years for the parts. Moreover, it is a little noisy as it provides the noise of 55 decibels. The Takagi water heater is one of the best gas tankless water heaters for indoor installation.

The plus point of using the Takagi water heater is the high energy efficiency and natural gas use. Natural gas is already an excellent option for cost efficiency, but the overall price of this water heater is excellent as well. For better Optimization, it is an energy star label water heater. It is are tankless water heater that also comes with a condenser.

Why do we like this product?

The condenser will increase energy efficiency even more, and the overall efficiency will be increased by 10%. This high heel water heater helps with reducing nitrogen oxide from the environment. And also, this water heater is powerful and just appropriate for the above-average household, which requires a little more water supply at the same time.

Pros
  • High energy efficiency
  • Saves an incredible amount of water heating cost
  • A very affordable option for bigger households
Cons
  • Complicated installation process
Check Price on Amazon

 

7. Rinnai RU180iN Tankless Water Heater

Rinnai RU180iN Sensei Super High EfficiencyThe last tankless water heater option is another one of the best gas tankless water heaters from the Rinnai brand, known for energy efficiency and high functioning. This high-quality tankless water heater the installation a lot easier and has a flow rate of 10 gallons per minute. Moreover, it has a heating power of 180000 BTU.

This high quality and energy-efficient water heater will provide the water supply to your whole house without any issues. It is just perfect for the supply of water anytime you need it. It is a great choice and comes with a warranty of 120 months for heat exchange and five years for the parts of the water heater. The installation is a lot easier, and it does not require a lot of maintenance. However, you can install this water heater Indoors, making sure that it is not rusting or corroding.

Why do we like this product?

The energy efficiency it provides is up to 93%, and it has the Cric logic capable of recirculation Technology. It also offers Wi-Fi mode, which will help you remotely access or control the water heater.

Overall, this is another one of the top-notch tankless water heaters by Rinnai that can serve medium to a large household with a consistent supply of water. This is a highly efficient option that will not leave you hanging for the supply of water. Also, you will not feel the fluctuation of temperature, which is perfect. We can tell you that this water heater is one of the best when it comes to gas tankless water heaters.

Pros
  • Incredible in terms of Energy Efficiency
  • Heats the water fast.
  • Provide and supply of water in no time
  • Easy to install
Cons
  • Might have some condensation issues
Check Price on Amazon

 

8. Eccotemp L10 3.0GPM Tankless Water Heater

Eccotemp L10 3.0 GPM Portable Outdoor Tankless Water HeaterEccotemp L10 is one of the most efficient Portable tankless water heaters that can supply you with nice warm water for either hot showers or doing dishes without catching a cold. This gas-powered tankless water heater comes with a 9 inches gas regulator, which is also CSA approved. Eccotemp water heater also has a hose that can be used on a Standard 20 lbs grill style tank.

At the top, there is a removable weatherproof rain cap that allows it to sustain in different kinds of weather and maintain its efficiency.

This rain cap is made with stainless steel, which makes it very durable and long-lasting. It also has an adjustable 20-80 PSI water pressure range, which can be adjusted manually. The temperature control system is very easy to use and can be regulated manually, allowing you to enjoy your most liked temperature. This one of the best gas tankless water heaters includes a half-inch NPT to a Garden hose adapter.

Most of the installation accessories are added with this product but not including the showerhead and hose, which can be purchased separately. But the best part is it works seamlessly and hassle-free with any shower head and hose you purchase.

It is a perfect product for outdoor showers, and it can be great to carry for camping because it is very portable and easy to use. It can also be used to bad dogs, Horses, and other pet animals in winters to prevent them from catching a cold.

The essential features it has, including that it has a battery-powered ignition, which makes it start quicker and work at a maintained pace without any fluctuations.

Why do we like this product?

This water heater can be carried along with you on trips because it is effortless to set up and use. It is also field tested to work effectively at 5500 feet elevation. Also, has an easy to hang or Mount plate behind it, making it easy for you to mount anywhere. This product weighs around 27 lbs, and the dimensions are 25.5-inches x 13.625 inches x 7 inches.

This tankless water heater also has a 20-minute automatic safety shut off timer, which makes it turn off automatically after 20 minutes even if you forget to turn it off. This feature can prevent so many hazards and accidents and work so well for you if you keep forgetting things. It also includes a 45 degrees safety tilt switch.

Eccotemp water heater is available in white color, and the power source used is propane. It has a temperature range between 50 to 140 degrees Fahrenheit. All of these features combine to make this one the best gas tankless water heaters.

Pros
  • Good value for money
  • Portable and you can carry with you on trips
  • Comes with the shower set
Cons
  • Not a good customer service from the company
Check Price on Amazon

 

9. Noritz NRC66DVNG – Indoor Condensing Tankless Water Heater

Noritz NRC66DVNGThis one is another one of the indoor water heaters; you might not want to miss out on. This water heater has a maximum capacity of 6.6 gallons per minute. Moreover, it is a highly efficient water heater capable of providing an energy efficiency of 91 percent. The temperature rise can be up to 140 degrees. It is a compact heater that does not need a lot of space, which is easy to install.

There is a long-lasting warranty also available, which is up to 12 years for the heat exchanger in 5 years for the parts. It is a high-quality water heater that weighs only 39 lbs. In terms of budget, it is a little higher than the previous tankless water heater.

This Noritz water heater is highly efficient and has a dimension of 6.7 x 13.8 X 23.6 inches. However, the installation of this tankless water heater needs a little care along with a proper condensation system and appropriate piping. It requires venting, which has to be proper as well.

You will have to get a condensation system separately, which is not included when buying the water heater.

Why do we like this product?

It is a high-quality water heater that can only be installed indoors, and if you are maintaining it properly, it will last a long time.

No doubt, this NRC water heater is a long-lasting water heater which can last up to 10 years very easily. However, it is great for small households but not the best for bigger houses. It is an energy-efficient option that is also an excellent investment for long term use.

Pros
  • One of the best and most lightweight heater
  • Provide the perfect efficiency of 90%
  • Last up to 10 years
Cons
  • Limited capacity
Check Price on Amazon

 

10. American Standard TCWH199S-AS-NG

American Standard TCWH199S-AS-NG The next one is a highly superior water heater, which has everything you might want in a quality water heater. This American standard water heater has a ratio of 11 gallons per minute, and Energy Efficiency is up to 96%. This is an energy star label model that weighs only 88 lbs. It can have a temperature rise of up to 140 degrees Fahrenheit, and this system also comes with a condenser. Moreover, we can say the American Standard is the best indoor gas tankless water heater.

The warranty for this water heater for the heat exchanger is 12 years, and it also has a warranty for the parts for five years. This water heater is a highly efficient model, which is a great choice because of the energy efficiency of 96%. And affordability is the star of the show of this water heater.

You might have a few temperature fluctuations, but overall, this American standard tankless water heater is a great choice for overall performance. The Incredible mechanism that works just fine can promise a constant supply of water anytime you need it.

Why do we like this product?

The water heater provides you the heating power of 199000 BTU and offers a great steal deal at a price. Besides all the incredible features, you will still have to deal with the temperature fluctuations, which are not the best when planning to take a shower in winter. Also, the American standard tankless water heater is the best natural gas water heater brand, so you won’t end up wasting money.

Pros
  • The best Energy Efficiency
  • Compact and sleek design
  • Extremely powerful and affordable
Cons
  • The temperature on this product fluctuates
Check Price on Amazon

 

Conclusion

So now you have checked the top-rated gas tankless water heaters; it will be a lot easier for you to narrow down on the best option. Moreover, We have jotted down a list of 10 best natural gas tankless water heater after a massive in-depth market and consumer reviews for your ease and to help you select the right product for yourself. And we hope, You can now choose the best natural tankless water heater option based on your budget and cost-effectiveness.

Also, make sure you consider the energy efficiency that the tankless water heater is capable of providing. If it is a great deal for long-term investment, you should invest in the gas tankless water heater. Although, we will recommend you going with the Camplux 5L or Rinnai 199 for a gas tankless water heater that is great for small households and provide just the perfect Energy Efficiency with an endless supply of hot water.

Buying Guide

Features to Consider for the Gas Tankless Water Heater

Warranty

The warranty for the gas tankless water heater has to be your priority. When you invest a fair amount of money in a water heater, it will be a complete disappointment if it does not work correctly after a few months or even years. Therefore, it is essential to check the warranty of the water heater. Most of the gas tankless water heaters have a warranty of up to three years. Some of the water heater brands also water heaters offer a warranty of 12 years.

Just keep a check on the warranty, so you don’t need to regret investing a hefty amount of money in a tankless gas water heater if it does not work properly.

Valves

Every water heater has some valves connected to it. And these valves can either be made from plastic or brass. The better option is to opt for a brass valve because of better quality and durability as well. The overall construction of the tankless water heater should be of a material that does not corrode easily. The lesser the water heater corrodes, the longer it will work.

Digital Display

We live in an advanced time where technology has taken over everything. The electric tankless water heaters are proof of that. Besides that, you must focus on the digital display as well. The digital display will help you in adjusting the temperature of the heater very quickly.

Cost

The cost-effectiveness matters a lot. When looking for a tankless water heater, whether it is electric or gas, the cost-effectiveness matters the most. When you are investing a hefty amount of money, you must ensure cost-effectiveness. Most tankless water heaters offer 80 percent to 90 percent energy Efficiency. So, even when you are getting a high-end water heater, you must keep in mind the long term use. If the water heater can provide you an excellent amount of cost efficiency in the long term, you are good to go.

Capacity

The BTU and the GPM are the two rates that will help you determine the capacity of water supply for most households. The BTU for the bigger households should range from 180,000 BTU to 199,000 BTU. Moreover, the Gallon per Minute rate has to be 10+ for bigger houses, requiring more water supply. Whereas, for a lesser supply of water, 6 GPM to 9 GPM is enough.

Construction and Size

The right size and construction can change your point of view about the best gas tankless water heaters. The robust the construction is, the longer it will last. Therefore, you need to check the construction of the water heater before the installation. Most of the water heaters, when exposed to water, corrode and rust quickly, which cut down the durability even more. Get a water heater that promises corrosion resistance to enhance the durability of the water heater. The robust construction of the water heater very definitely makes it last a lot longer.

Size availability is another aspect. You need to be sure about the space you have available to install a tankless water heater. You might need to look for a water heater that is compact and easy to install if there is limited space available. The good thing is that these water heaters are available in compact sizes, so you don’t have to hassle a lot to find out the appropriate size water heater.

Frequently Asked Questions about Gas Tankless Water Heaters

Why a gas tankless water heater is the best?

A tankless gas water heater is considered the best because it provides an unlimited supply of hot water. The water heater that does not require any tank provides an endless supply of water. Don’t worry about your hot water needs no more!

The tankless water heater is becoming vital for every household to have a tankless water heater to ensure the ideal water supply in winters. These tankless water heaters are not only space friendly but also provide you with just the perfect look you need. Most tankless water heaters now have led display and offer a straightforward approach for temperature regulation.

Is a gas tankless water heater better than electric and gas alternatives? 

Yes, a water heater that works on gas is no doubt a great option. Do you know why they are the best option to have in your house? The gas tankless water heaters are a cost-effective option because of the energy efficiency in the long term. The gas water heater that works on propane gas or electricity might not cost you a lot initially.

In the long run, the cost of heating the water will be a lot in case of getting a propane gas or electric water heater. When you get a natural gas water heater, you are on the safe side of saving hefty money in the long term by keeping the cost of heating the water. And the plus point is you don’t have to worry about waiting too long to get hot water during winters. The tankless water heaters are the source of continuous water supply without any delay or a quantity constraint.

Which are the ideal and the best gas tankless water heaters?

When you need a natural gas tankless water heater, then you might come across a lot of options, including Rheem and Rinnai water heater brands. These brands are the top-notch brands you find because of their incredible energy efficiency and cost-effectiveness in the long term. The Camplux 5L and Rinnai 199 are no doubt the best natural gas tankless water heaters.

What is the average cost of natural gas tankless water heater?

Usually, a gas tankless water heater will cost you between $1,000 to 1500 dollars. However, if you need a water heater that costs you less initially, you should go for the electric tankless water heater, which is affordable but not very durable.

There are other options also available when you are looking for tankless water heaters. You can either get the propane tankless water heater and electric tankless water heater as well.

Rinnai or Rheem, which one of these natural gas tankless water heaters is the best?

When considering the two top-rated tankless gas water heater brands, you don’t have a lot to think about.

But still, if you need to get the most reliable gas tankless water heaters, then Rinnai has to be the one. It is comparatively more energy efficient and has better GPM.

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