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It’s time to ditch that The Best Tankless Water Heaters of 2023 old and make the switch to a tankless model. Not only are they more energy efficient, but they’ll also save you space and money in the long run.
To help you find the great tankless heater in your home, we’ve put together a list of the top models on the market. From electric to gas-powered, there’s an option for everyone.
So, what are you waiting for? Make the switch today and enjoy endless hot waters for years to come.
When purchasing a tankless gas water heater, there are several things to keep in mind.
When shopping for a tankless heater, it is important to keep in mind the different factors that will affect your decision. Below are some of the things you should consider before making your purchase:
The sized of the unit: Tankless gas water heaters come in a variety of sizes. You will need to choose a unit that is the appropriate size for your home.
The fuel source: Tankless gas water heaters can be powered by either natural gas or propane. You will need to choose a unit that is compatible with the fuel source you have available.
The climate: In some areas, it may be necessary to purchase a tankless heater that is specifically designed for used in colder climates.
The warranty: When purchasing a tankless heater, it is important to check the warranty. Some manufacturers offer longer warranties than others.
The price: Tankless gas water heaters can vary significantly in price. You will need to choose a unit that fits your budget.
The installation: Tankless gas water heaters must be installed by a qualified professional. You will need to make sure that the installation is done properly in order to avoid any problems.
When considering these factors, it is important to consult with a qualified professional to ensure that you are making the best decision for your home. Tankless gas waters heater are a great investment and can provide many years of trouble-free operation.
My Top Picks
If you’re in the market for a new water heater, you may be wondering if a tankless model is right for you. Tankless heaters have many benefits over traditional models, including being more energy-efficient and taking up less space.
To help you choose the great tankless heater in your home, I’ve compiled a list of my top picks. I’ve included a variety of models to suit different needs and budgets, so you’re sure to find the perfect one for you.
1# Rinnai RU199iN Tankless Water Heater: Best Overall
If you have a small home or live alone, the Rinnai tankless heater might be a good option for you. This unit is compact and specifically designed for homes with one to two bathrooms. It can provide up to nine gallons of hots water per minute, making it perfect for taking quick showers or running the dishwasher.
Plus, it’s very efficient, with an Energy Star rating that indicates it will save you money on your energy bill. The unit is also backed by a strong warranty, so you can feel confident that it will last for years to come.
Here’s why I think this model stands out from the rest in its category:
The Rinnai tankless heater is a top-of-the-line model that offers several features that set it apart from its competitors. For one, it is ultra-efficient, with a 0.96 UEF rating that makes it includes in the most efficient models on the market. It also has a compact design that makes it easy to install, and it comes with a convenient remote control that allows you to adjust the temperature from anywhere in the room.
Additionally, the RU199iN features a built-in recirculation pump that provides hot water on demand, and it includes a self-cleaning function that helps to extend its lifespan. With its combination of features and benefits, it’s no wonder the Rinnai RU199iN is includes in the most popular tankless heaters on the market.
Quantitative measurements about how a product measures up in various categories of performance
The Rinnai tankless heater is a great choice for those looking for an energy-efficient unit that doesn’t sacrifice performance. This model has a max flow rate of 9.8 gall. per minute and can provide enough hot water for up to four showers at once. It also features a built-in recirculation pump that helps to reduce water waste and saves you money on your monthly water bill.
When it comes to energy efficiency, the Rinnai RU199iN has a uniform Energy Factor of 0.95, making it included in the most efficient model on the market. It also features a self-diagnostic system that alerts you if there are any issues with the unit so you can get them resolved quickly. Overall, the Rinnai RU199iN is an excellent option for those looking for an energy efficient and high-performing tankless heater.
Pros:
- This heater provides endless hot water on demand, so you never have to worry about running out again.
- This tankless heater is very compact and can be installed almost anywhere in your home, even in small spaces.
- This heater comes with a self-cleaning function that helps to keep it running at peak performance.
- This heater is included in the most affordable tankless heaters on the market, making it a great option for budget-minded shoppers.
Cons:
- The RU199iN is not as efficient as some of the other tankless heaters on the market, due to its lower flow rate.
- Some users have complained about problems with durability and quality control, although these appear to be isolated incidents.
- It requires a dedicated circuit, which may not be available in all homes.
Features and facts:
- The RU199iN is a condensing, tankless heater that offers endless hot water for up to 9 bathrooms at the same time
- It has an energy efficiency rating of 95% and can save you up to 34% on your water heating costs compared to traditional tank water heaters
- The RU199iN features Rinnai’s patented self-cleaning technology that helps keep the unit clean and operating at peak efficiency
- It also features a digital display that shows you the water temperature and the status of the unit
- The RU199iN comes with a 12-year warranty on the heat exchanger and a 5-year warranty on parts
2# Rheem 240V Tankless Water Heater: BEST BUDGET
Rheem is included in the leading manufacturers of tankless heaters, and a 240V model is a great option for homeowners who want to save space and money. This unit heats water on demand, so you’ll never have to worry about running out of hot water. And because it doesn’t use a storage tank, it’s much more compact than traditional models.
The 240V also comes with a self-cleaning function that helps to prolong its lifespan. Installation is straightforward, and the unit comes with a detachable digital display for easy temperature control. Overall, the Rheem 240V is an excellent choice for anyone looking for a high-quality, efficient tankless heater.
Here’s why I think this model stands out from the rest in its class:
This tankless heater is a great choice for homeowners who want to save space and money. This unit is small and compact, making it easy to install in tight spaces. It also features a built-in condensing fan that helps to conserve energy, lowering your utility bills.
In addition, the Rheem 240V has a self-cleaning feature that helps to prolong its lifespan. This product also comes with a 10-year warranty, giving you peace of mind that it will last for years to come. When compared to other tankless heaters on the market, the Rheem 240V offers superior value for the price.
Quantitative measurements about how a product measures up in various categories of performance
The Rheem water heater was a great option for those looking for a reliable and efficient way to heat their water. This unit uses a 240-volt electrical connection and can provide up to two gallons of hots water per minute. It also features a digital display that shows the current temperature and offers a self-diagnostic function.
Additionally, the Rheem 240V tankless heater has a compact design that makes it easy to install in small spaces. Finally, this unit comes with a one-year warranty.
Pros:
- Rheem offers a wide variety of tankless heaters, each catering to different needs
- Installation is simple and can be done by most homeowners
- This heater provides an endless supply of hots water for up to 4 bathrooms
- It has a self-cleaning feature that helps keep it running smoothly
Cons:
- Installation can be a little tricky, and you may need to hire a professional to install it properly.
- It’s not as powerful as some of the other tankless heaters on the market, so it may not be suitable for large households.
- It doesn’t have a lot of advanced features, so if you’re looking for a tankless heater with all the bells and whistles, this isn’t the one for you.
- The warranty is only for one year, which is shorter than most other tankless heaters.
Features and facts:
- Rheem RTG-240 is a 240V tankless heater
- The unit has an energy factor of 0.81, which means it’s Energy Star certified
- It can deliver up to 9.8 gall. per minute (GPM) of hots water
- The maximum input power is 29 kW
- The product dimensions are 17.5 x 13.8 x 9.8 inches
- The unit comes with a self-diagnostic feature for easy troubleshooting
- It has a digital display that shows the temperature and GPM flow rate
- The RTG-240 also has a child lock function to prevent accidental temperature changes
3# Stiebel Eltron Tempra 36 Plus Tankless Water Heater: BEST ELECTRIC
When it comes to tankless heaters, the Stiebel Eltron Tempra 36 Plus is includes in the best on the market. This energy-efficient model can provide an endless supply of hots water for a family of four, and it’s small enough to be mounted on a wall or stored in a closet. The digital temperature control ensures that water is always heated to the perfect temperature, and the built-in self-cleaning system helps to prevent scale buildup.
In addition, the Tempra 36 Plus comes with a 15-year warranty, making it a wise investment for any home.
Here’s why I think this model stands out from the rest in its category:
When it comes to tankless heaters, the Stiebel Eltron Tempra 36 Plus is in a class of its own. With a maximum flow rates of 9.5 gall. per minute, the Tempra 36 Plus can provide an uninterrupted supply of hots water for multiple needs simultaneously. And unlike many tankless heaters, the Tempra 36 Plus can be installed indoors, making it ideal for used in small spaces. When compared to its competitors, the Tempra 36 Plus stand out for its superior efficiency and performance.
So if you’re looking for a tankless heater that can keep up with your family’s demand for hot water, the Stiebel Eltron Tempra 36 Plus is the clear choice.
Quantitative measurements about how a product measures up in various categories of performance
Electronic tankless heaters like the Stiebel Eltron Tempra 36 Plus are all the rage these days, and for good reason. They heat water on demand, meaning that you don’t have to wait for a tank of water to heat up before you can get started with your shower. They’re also more energy-efficient than traditional tank water heaters, which means that they’ll save you money on your utility bills in the long run.
First and foremost, you’ll want to take a look at the unit’s flow rate. The Stiebel Eltron Tempra 36 Plus has a maximum flow rates of 4 gall. per minute, which is pretty impressive. That means that it can easily handle multiple simultaneously running fixtures without any problems.
In terms of temperature control, the unit features a self-modulating power system that automatically adjusts the heating element output to match the incoming water temperature. That means that you’ll always get consistent results, regardless of the water temperature outside.
Pros:
- Compact and easy to install
- Heats water quickly
- No standby losses
- Modulating gas valve for energy efficiency
- Digital temperature control
- Self-diagnostic system for easy troubleshooting
Cons:
- It doesn’t have a very high flow rate, so it may not be suitable for large households or businesses.
- The installation process can be difficult and time-consuming.
- There have been some complaints about the quality of customer service from Stiebel Eltron.
- Some users have reported issues with the unit leaking or not heating water properly.
Features and facts:
- The Tempra is a powerful and efficient electric tankless heater that can provide enough hot water for up to three showers simultaneously
- It features a digital temperature controller with an easy-to-read display, so you can always ensure the perfect temperature
- With its flow sensor, the Tempra 36 Plus can adapt to the water demand, ensuring a constant flow of hots water
- This tankless heater also features a self-modulating power system that conserves energy and reduces your costs
- The Tempra 36 Plus is easy to install and can be used with either a single point or multi-point water heating system
4# Hike Crew Portable Propane Water Heater: BEST PORTABLE
The Hikes Crew Portable Water Heater was a great addition to any camper’s gear. It’s easy to set up and use, and it really puts out the heat. We’ve used it on a few camping trips now, and it’s been a lifesaver.
It’s also very compact and lightweight, so it doesn’t take up much space in the RV. The only downside is that it can be a bit noisy, but that’s not really a big deal when you’re camping. Overall, we highly recommend the Hikes Crew Portable Water Heater.
It’s a great way to stay warm on those cold nights.
Here’s why I think this model stands out from the rest in its class:
There are a lot of portable water heater on the market, but the Hikes Crew Portable Water Heater stands out from the crowd for a few reasons. First, it’s made with durable stainless steel construction, so it can withstand years of use. Second, it features a hassle-free igniter that makes it easy to get started.
And finally, it comes with a built-in pump and hose, so you can easily connect it to a water source. Whether you’re camping, hunting, or just spending time in the great outdoors, the Hikes Crew Portable Water Heater was a great way to have hot water on hand.
Quantitative measurements about how a product measures up in various categories of performance
The Hikes Crew portable water heater was a great choice for anyone looking for an easy-to-use and reliable way to heat water while camping or hiking. This compact unit can heat up to two gallons of water per minute, making it perfect for small groups. It also features a safe shut-off mechanism that kicks in when the unit gets too hot, ensuring that you’ll never have to worry about accidental fires.
When it comes to performance, the Hikes Crew portable water heater was tough to beat.
Pros:
- The Hikes Crew Portable Water Heater was easy to use – just set it and forget it.
- It’s perfect for camping, RVs, cabins, or anywhere you need hot water on demand
- The quick-heating design means you’ll have hot water in no time
- This unit is built to last with a durable construction and corrosion-resistant materials
- The Hikes Crew Portable Water Heater comes with a 1-year warranty for peace of mind
Cons:
- The Hikes Crew Portable Water Heater was not as energy-efficient as other tankless heaters on the market.
- It can be difficult to find a place to store the Hikes Crew Portable Water Heater when it is not in use.
- The Hike Water Heater was not as durable as some of the other tankless heaters on the market.
- The Hikes Crew Portable Water Heater does not have a warranty.
- The Hikes Crew Water Heater was more expensive than some of the other tankless heaters on the market.
Features and facts:
- The Hikes Crew Portable Water Heater was a great choice for those who need an on-the-go water heater.
- This water heater was perfect for camping, hunting, fishing, and other outdoor activities.
- It has a quick heat up time of 3 minutes or less, so you can get started on your project right away.
- The Hikes Crew Portable Water Heater also features a safety shut off valve and an anti-tip design.
- This water heater was made from durable materials and is backed by a 1-year warranty.
5# EcoTouch Point-Of-Use Tankless Water Heater: BEST POINT OF USE
The EcoTouch Point Of Use Water Heater was a great choice for those looking for an energy-efficient way to heat water on demand. This unit can provide up to 2.5 gallons of hots water per minute, making it perfect for sinks, showers, and other small applications. It also features a self-modulating technology that adjusts the heating elements to match the demand, which helps to save energy and costs.
The EcoTouch is also easy to install and comes with a detailed instruction manual. Overall, the EcoTouch Point Of Use Tankless Heater is an excellent option for those who want the convenience of tankless water heating without the high price tag.
Here’s why I think this model stands out from the rest in its category:
The EcoTouch Point Of Use Tankless Heater is a highly efficient water heater that can save you money on your energy bill. It heats water on demand, so you only pay for the hot water you use. It also has a digital display and temperature control, so you can set it to the perfect temperature for your needs.
The product is also very compact, making it easy to install in small spaces. And it comes with a 10-year warranty, so you can be confident that it will last for years to come. In short, the EcoTouch Point Of Use Tankless Heater is an excellent choice for anyone looking for an energy-efficient and cost-effective water heater.
Quantitative measurements about how a product measures up in various categories of performance
The EcoTouch Tankless Heater is a great choice for those looking for an energy-efficient option. This unit uses 80% less energy than a typical tank water heater, meaning that it will cost you less to operate in the long run. Additionally, the EcoTouch boasts a 0.26 GPM minimum flow rates and a maximum flow rates of 6 GPM.
This makes it ideal for small homes or apartments where space is limited. Finally, the EcoTouch comes with a digital display that makes it easy to monitor your water temperature. With all of these features, the EcoTouch Tankless Heater is a great option for anyone looking for an efficient and user-friendly water heater.
Pros:
- Saves energy and money
- Compact design
- No standby heat loss
- Hot water on demand
- Versatile installation options
- Stainless steel design
Cons:
- Installation can be difficult for some people
- Some users have complained about the long wait time for hot water
- Limited warranty period
- Some units are quite expensive
Features and facts:
- Compact size: The EcoTouch is includes in the smallest tankless heaters on the market, making it perfect for small spaces.
- Endless hot water: With no need to store hot water, the EcoTouch provides endless hot water on demand.
- Energy efficient: Tankless heaters are up to 50% more energy efficient than traditional tank water heaters.
- Easy installation: The EcoTouch can be installed in minutes, with no need for professional help.
6# Rinnai V94iN Natural Gas Tankless Water Heater: BEST WHOLE-HOUSE
The Rinnai Natural Gas Tankless Heater is includes in the most efficient and cost-effective ways to heat water in your home. This unit is small and can be installed almost anywhere, making it a great choice for small homes or apartments. It is also very easy to use, with a simple digital control panel that makes it easy to set the temperature and water flow.
The biggest advantage of this unit is its efficiency, as it uses far less energy than traditional tank water heaters. In fact, it is so efficient that it significantly lowers your monthly energy bill. And because it doesn’t use any storage tanks, there is no need to worry about leaks or bursts pipes.
The Rinnai Natural Gas Tankless Heater is an excellent choice for anyone looking for an efficient and cost-effective way to heat water.
Here’s why I think this model stands out from the rest in its class:
The Rinnai Natural Tankless Heater is a top-of-the-line water heater that provides an endless supply of hots water. It’s perfect for large families or anyone who wants to never worry about running out of hots water. What sets the Rinnai V94iN apart from its competitors is its self-cleaning function.
This feature prolongs the life of the unit by keeping it free of sediment and scale build-up. As a result, you can expect the Rinnai V94iN to provide years of reliable hot water. Additionally, the Rinnai V94iN is backed by a comprehensive warranty, so you can rest assured that your investment is protected.
Quantitative measurements about how a product measures up in various categories of performance
The Rinnai V94iN Tankless Heater is includes in the most popular models on the market, and it’s easy to see why. With a maximum flow rates of 9.4 gall. per minute, it can easily handle the demands of a large household. Additionally, it features a Self-Cleaning System that helps to prevent mineral build-up, ensuring that your unit will continue to operate at peak efficiency.
And with a wide range of energy-saving features, including a programmable thermostat and an ECO setting, the Rinnai V94iN can help you save money on your utility bills. When it comes to tankless heaters, the Rinnai V94iN is hard to beat.
Pros:
- The Rinnai V94iN is an ENERGY STAR certified product, so you can be sure that you’re getting a quality and efficient tankless heater.
- This water heater features a condensing heat exchanger which helps it to achieve an impressive 94% thermal efficiency rating
- The venting options for the Rinnai V94iN are quite flexible, as it can be vented either horizontally or vertically.
- This unit is also built with freeze protection technology, so you don’t have to worry about your pipes freezing in the winter.
Cons:
- The price is a little bit high compared to other tankless heaters.
- It’s not as energy-efficient as some of the other models on the market.
- Some people have complained about the noise it makes.
- Installation can be a bit tricky for some people.
Features and facts:
- The unit is includes in the most popular tankless heaters on the market, thanks to its combination of power and efficiency
- The unit can deliver up to 9.4 gallons of hots water per minute, making it ideal for even the busiest households
- It also features an energy factor rating of .82, meaning it’s includes in the most efficient tankless heaters available
- The Rinnai is also backed by a strong warranty, with a 12-year warranty on the heat exchanger and a 5-year warranty on parts and labor
My Verdict
The best tankless heater is the Rheem Performance Plus 9.5 GPM Indoor Tankless Natural Gas Waters Heater. This model have a compact design that can be mounted on a wall, and it also features a self-cleaning function to help maintain optimal performance.
FAQ’s
What are the benefits of there tankless waters heater?
A tankless heater can save the money on your energy bills and provide an endless supply of the hot water. They are also much smaller than traditional water heaters, so they take up less space in your home.
What is the difference between a gas and an electric tankless waters heater?
Gas tankless heaters are more expensive to purchase than electric ones, but they’re cheaper to operate. Electric tankless heaters are less expensive to purchase up front, but they’re more expensive to operate over time.
What size tankless waters heater do I need?
The sized of the tankless heater you need depends in the size of your home and the number of people who live there. A small home with one or two people doesn’t need a very large tankless heater, but a larger home with multiple people might need a bigger unit.
How long do tankless waters heater last?
Tankless heaters can last for 20 years or more with proper maintenance. Traditional water heaters typically only last 10-15 years.
What are the disadvantages of there tankless waters heater?
The main disadvantage of there tankless heater is the initial cost. They’re more expensive to purchase than traditional water heaters, but they’ll save you money in the long run. Another downside is that they require more maintenance than traditional water heaters.
Do I need a professional to install my tankless waters heater?
Yes, you’ll need a professional to install your tankless heater. They need to be properly vented and hooked up to your home’s gas or electrical supply.
How much does it cost to install a tankless waters heater?
If cost of installing a tankless heater that the varies depending on the sized of the unit, the type of unit, and the complexity of the installation. Expect to pay between $500 and $2,000 for professional installation.
What are the signs that I need a new waters heater?
There are several signs that you might need a new water heater, including strange noises coming from the unit, water that’s not as hot as it used to be, and leaks around the base of the unit. If you’re unsure, it’s always best to call a professional for an inspection
How often should I maintenance my waters heater?
You should have your water heater serviced every year by a professional. This will help to extend its lifespan and ensure that it’s running efficiently.
What are the most common problems with water heaters?
The most common problems with water heaters include leaks, strange noises, and a lack of the hot water. These problems can usually be fixed by a professional.
What are the different types of water heaters?
There are two main types of water heaters: gas and electric. Gas waters heater are more expensive to purchase, but they’re cheaper to operate. Electric waters heater are less expensive to purchase up front, but they’re more expensive to operate over time.
What size waters heater do I need?
The sized of the water heater you need depends in the size of your home and the number of people who live there. A small home with one or two people doesn’t need a very large water heater, but a larger home with multiple people might need a bigger unit.
How long do water heaters last?
Water heaters can last for 20 years or more with proper maintenance. Traditional tank water heaters typically only last 10-15 years.
What are the disadvantages of a waters heater?
The main disadvantage of a waters heater is the initial cost. They’re more expensive to purchase than traditional heaters, but they’ll save you money in the long run. Another downside is that they require more maintenance than traditional heaters.
Do I need a professional to install my waters heater?
Yes, you’ll need a professional to install your water heater. They need to be properly vented and hooked up to your home’s gas or electrical supply.
How much does it cost to install a waters heater?
If cost of installing a water heater varies depending on the sized of the unit, the type of unit, and the complexity of the installation. Expect to pay between $500 and $2,000 for professional installation.
What are the signs that I need a new water heaters?
There are several signs that you might need a new water heater, including strange noises coming from the unit, water that’s not as hot as it used to be, and leaks around the base of the unit. If you’re unsure, it’s always best to call a professional for an inspection.
How often should I maintenance my water heaters?
You should have your water heater serviced every year by a professional. This will help to extend its lifespan and ensure that it’s running efficiently.
What are the most common problems with water heaters?
The most common problems with water heaters include leaks, strange noises, and a lack of the hot water. These problems can usually be fixed by a professional.
What are the different types of water heaters?
There are two main types of water heaters: gas and electric. Gas waters heater are more expensive to purchase, but they’re cheaper to operate. Electric waters heater are less expensive to purchase up front, but they’re more expensive to operate over time.
What size waters heater do I need?
The sized of the water heater you need depends in the size of your home and the number of people who live there. A small home with one or two people doesn’t need a very large water heater, but a larger home with multiple people might need a bigger unit.
How long do water heaters last?
Water heaters can last for 20 years or more with proper maintenance. Traditional tank water heaters typically only last 10-15 years.
What are the disadvantages of a water heaters?
The main disadvantage of a waters heater is the initial cost. They’re more expensive to purchase than traditional heaters, but they’ll save you money in the long run. Another downside is that they require more maintenance than traditional heaters.
Do I need a professional to install my water heaters?
Yes, you’ll need a professional to install your water heater. They need to be properly vented and hooked up to your home’s gas or electrical supply.
How much does it cost to install a water heaters?
If cost of installing a water heater varies depending on the sized of the unit, the type of unit, and the complexity of the installation. Expect to pay between $500 and $2,000 for professional installation.
What are the signs that I need a new water heaters?
There are several signs that you might need a new water heater, including strange noises coming from the unit, water that’s not as hot as it used to be, and leaks around the base of the unit. If you’re unsure, it’s always best to call a professional for an inspection.
How often should I maintenance my water heaters?
You should have your water heater serviced every year by a professional. This will help to extend its lifespan and ensure that it’s running efficiently.
What are the most common problems with water heaters?
The most common problems with water heaters include leaks, strange noises, and a lack of the hot water. These problems can usually be fixed by a professional.
What are the different types of water heaters?
There are two main types of water heaters: gas and electric. Gas waters heater are more expensive to purchase, but they’re cheaper to operate. Electric waters heater are less expensive to purchase up front, but they’re more expensive to operate over time.
What size waters heater do I need?
The sized of the water heater you need depends in the size of your home and the number of people who live there. A small home with one or two people doesn’t need a very large water heater, but a larger home with multiple people might need a bigger unit.
