Today nearly all homes tend to be heating the water supply by utilizing a storage water heater, storage space water heaters are continually 24/7 heating the particular water that is from the tank. In results, it drives your gas or electricity bills higher during the cold winter.
When it is time to substitute your storage space tank water heater or else you just purchased a new home and possess to have a scorching water heater installed, you need to reconsider expending money on a storage space tank water heater and look at the option of getting a best rated tankless water heater.
Tankless water heaters are a supply and need a system. With this system, water is not necessarily heated throughout a storage container. As you activate your faucet/shower, frosty water travels via a pipe to the unity and a fuel or power element heats up the water.
Because water is not being saved in a tank and that is not consistently being warmed 24/7 the system is by now saving you electricity and money. Provided that the need is there the particular tankless water heater will supply anyone with very hot water when needed.
Best Tankless Water Heater 2019
If you want to replace your old tank-based water heater or installing a new unit in your home, then the tankless water heater can be a good choice for you.
I will provide you with a precise tankless water heater review, thus, to help you in deciding to install one after knowing its working and benefits.
1– EcoSmart Eco 27 – Electric and Solar Powered Tankless Hot Water Heater
First on our list is the ECO smart ECO 27, this tankless water heater worth every cent. Not only that, the company gives you a lifetime warranty in case if you installed it by a licensed plumber in order to claim the warranty.
Between $400 and $800, you will find the best tankless water heater vying for your attention. But on pure value for money terms, none we have heard can hold a candle to ECO 27.
Now let’s dive into its main specification. The ECO 27 water heater is a really energy efficient unit for an entire single family home. A self-modulating control technology of the heater minimizes the energy cost up to 50 percent more than any regular electric tankless water heater.
This tankless heater runs at 27KW at 240volts. On the inside, there is a three separate heater, each one is 9KW and operates in series wise and sequence based on demand. This water heater has a Digital control panel that allows you to adjust the desired temperature of the water output. Due to self-modulating, it won’t provide the more heat the load requires.
Having this water heater is a space-saving option, measuring 18”x 17” x 3.75” inches and weighing 13.75 pounds. The size of this wall mounted water heater is the same as Xbox, it takes the small amount of space on the wall, as opposed to the huge traditional tanks.
The ECO 27 is capable of providing 3GPM (gallon per minute) at lower temperature and 6.5GPM at a maximum flow rate. If you want to get a powerful shower at 4 gallons per minute, the best this water heater can do is, heat the water by 46 degrees.
This unit is capable to run four showers and sink at the same time that means you can run multiple applications simultaneously. Furthermore, if you are living in that area where the water source is about below 60 degrees, then you will get a 96-degree shower at 4 gallons per minute. To avail low flow shower, you also need to aware of your faucet GPM as well, in other cases, you may need to spend $20 extra to purchase a new shower head with a 1.6 GPM flow.
The bottom line is that the ECO 27 water heater comes with a lifetime warranty. Cleaning and maintenance can be easily accomplished with a single screwdriver. Removing the old tank water heater and installing new ECO 27 tankless water heater will give a lot more room. It is so small and lightweight you can carry it under one arm, just install it, hot water is available at the first touch.
2 – Stiebel Eltron 24 Plus Tempra – Instant Tankless Water Heater for Under Sink Use
Tempra is manufactured by Stiebel Eltron, a pioneer in producing the electric tankless water heating technology for almost a century. They have been known for inventing the advanced flow control technology. Since 1970 they are continually improving their technology.
One of the prominent feature of Tempra “plus” is its Advance flow control system which reduces water flow automatically and helps the water stay at a constant temperature without fluctuation. Not only that, it reduces the energy consumption for up to 20% and reduces your electricity bills compared to the regular water heater.
This tankless water heater itself takes up very little room for placement on the wall, under the sink or inside the cabinet. It’s about the size of the large pizza box that Occupies little space as possible. This unit performed exactly as designed.
Every Stiebel Eltron Tempra comes integrated with microprocessor technology to limit any deviations from the water temperature level preset by the user. Temperature setting is completely stable, on the front of the unit, there is a digital display so you can easily adjust and see the temperature when the unit is in operation. The Tempra 24 plus can supply water constantly at a temperature ranging from 86 to 140 degrees Fahrenheit.
Your shower will always be hot if someone else doing laundry at the same time or washing dishes in a row. You can take as long in the shower as you like and you would never know the water the water came from the tankless water heater. You just have to make sure you get that you get the correct size. Tempra plus comes with two more bigger sizes from this, Tempra 29 plus that is designed to run 3 baths at a time, has three heating module and its maximum output water flow rate is 4.5 GPM at 44F rise. While Tempra 36, the largest model from Stiebel is able to give 4.5 GPM at 55F.
Keep in mind, If you have a significant hot water leak in your house while you’re away, you could be hit with a massive electric bill.
The price matches the quality of this tankless heater and also you get 3 years of parts warranty and 7 years of leakage warranty if it installed by a qualified electrician. We wouldn’t recommend that install yourself unless you are familiar with electric and pipeline fitting.
3 – Atmor AT-D24TP – Water Splashproof Water Heater
With a design that is more contemporary than regular, the Atmor AT-D23TP tankless water heater is a superb choice for those who want space saving, energy efficient, ease in the flexibility of adjusting the water temperature and unlimited hot water without fluctuation.
The beauty of Atmor AT-D24TP is that it is very well made, sleek design small compact unit that matches the finishing of housing and apartment. It does not only provide unlimited hot water, but it has also a smart self-modulating technology which revolutionized the electric water heating industry.
Atmor AT-D24TP is very helpful to control water waste. Due to self-modulating technology, it gets automatically activate when it identifies the water flow. And when not in used, it gets turned off that means it’s beneficial for the user in term low water cost and consumption.
Particularly, most users worried to install water heater near the shower or sink. It is because the water heater cannot bear the constant water splashes during usage and it is hard to avoid.
That’s why Atmor AT-D24TP is the best tankless water heater in many ways, it is IP54 certified which means no chance of internal water dripping. This feature reduces the risk of accident and keeps the inside of the water heater cool and dry. Even in the most expensive heater, you won’t find this kind of protective feature.
Moreover, it comes with easy to use a digital display that allows you to set the desired temperature and can monitor the temperature. More surprisingly, its digital meter shows the problem if the heater is facing any issues.
And yeah the most questionable thing in every tankless water heater is, what is the GPM capacity? So the capacity of Atmor AT-D24TP is, it heats the incoming water as low as 37F at 2.4 GPM (gallon per minute). While dealing with four applicants, it outputs the water on a temperature at 4.5GPM at 60F.
In conclusion, the Atmor AT-D24TP is really great tankless water heater to enjoy a hot shower. Atmor created the most wanted feature rich water heater that a user dreams of.
4 – Rheem RTEX13 – Energy Efficient Tankless Water Heater
You use warm water to take a hot shower or in the kitchen while cooking to reduce cooking time on a regular basis also washing dishes requires warm water to ensure grime can be effectively removed and bacteria can be destroyed.
Nowadays, stylish and smart feature tankless water heater are increasing their demand and values. Rheem a US company is clearly on a roll for producing heating, cooling water and other commercial innovation for over a century. There is no doubt that one of their best model Rheem RTEX-13 is on the market.
The design of this tankless heater is trendy and also this heating unit is among the best mid-range tankless water heater in our list. Moving on to the functionality, the Rheem RTEX-3 comes with a two long-lasting copper heating immersion with self-modulating power control technology that heats the water very quickly.
It is a very annoying problem to wait until the water gets warm when you are ready to take a hot shower. The Rheem RTEX-13 tankless water heater will not delay at all, it will save your valuable time. With one simple temperature dial control, you can easily control the water temperature while taking a shower and doing laundry in instant time. However, you do have to slow the water flow quite a bit in a shower to get it hot. Otherwise, you have to get a small size shower head to make it work good enough.
Despite being the best mid-range water heater, you will also get 5 years warranty in case you face any issue, how cool is that? but we do recommend to install it by a certified plumber or electrician to get the maximum benefit from the warranty.
So is there anything lacking in the Rhem RTEX-13?
Rhem hasn’t put this model in for the star energy certification. That’s why green rebate may not be possible with your electric utility. And the other thing is, this unit is a mid-range water heater so if you are thinking to install this in a 2000 square ft home, or at home where the high need of hot water. But the product itself is a terrific choice if you live alone.
5 – Sio Green IR260 – Best Electric Tankless Water Heater for RV
The next up on our list is Sio Green IR260 infrared Electric Tankless water heater. This unit is a relatively new player in the tankless water heater industry having been founded in 2008. They have made a name for themselves in this short time by being the only manufacturer that produces hot water with an infrared quartz heating element.
In contrast, most tankless water heaters use a metallic coil in order to heat the water which can corrode over time and is subject to calcium and limescale build up which is the biggest drawback of every electric tankless heater.
This innovative tankless water heater heats the water without direct contact with metal that keeps out the buildup of calcium and limescale which requires minimal maintenance that is four-time longer than a typical water heater.
Sio green’s intelligent and sleek design allows it to fit in tiny places without any trouble. Even for RV, this is a very powerful unit for supplying constant on-demand hot water. You may not find a better choice than this.
The Sio green IR260 can produce water between 0.8 gpm to 1.5 gpm depending on the incoming water temperature. This unit is perfect if living in a small house, apartment or a condominium. And even best tankless water heater for your motor home where you used a single faucet shower at a time if you have minimum 70F cold inlet.
In case if your cold inlet temperature is less then 70F, you have a choice to going with SIO-IR28 or SIO-IR14. Normally, the Sio green IR260 gpm rate is 0.8 at 60F temperature raise to 1.5 gpm at 30F, that’s pretty good at this price point of view.
Furthermore, you will hear the beep noise if the heater recognize that there is a restriction in water flow and also a leak anywhere in the unit will cause this alarm to ring as well. The SIO-IR260 comes with 4 power level (1-4). So, to customize the water temperature either you can adjust the power levels or gently rotate the water flow dial which is included in the packaging.
The on-demand feature in this water heater makes unique this model, but this unit is a solid option for a low flow of water requirement. And if you are planning to travel in RV (recreational vehicle), this water heater will meet all of your specific need.
6 – Titan SCR2 – Electric Instant Water Heater
The titan Scr2 n-120, the oldest and most reliable unit on our list, is designed for medium and small houses, it can provide a consistent flow of hot water no matter how many faucets are on.
Like other water heater, features of Titan SCR2 N-120 are quite similar to other electric tankless water heaters. This water heater is manufactured and designed in such a manner that it runs and follow the instruction accordingly by the user need in a smart way.
All the titan water heater product are simply designed and small in size and nearly 6 pounds in weight making it easy to troubleshoot and install even by yourself. Let’s analyze the main features of SCR2 N-120, this mode has an Incoloy heating element with copper and brass casing. Basically, Incoloy shield prevents copper materials to get corrosion.
As it says don’t judge the book by its cover, the simplicity of this tankless water heater shows there is nothing special feature in it but hold on, it has Resettable thermostat manual option that makes this unit more tremendous.
This feature removes the chances of burning the unit into a fire, most of the water heaters automatically heats the water according to the colder climate. But this unit doesn’t let the temperature to go high wildly because if the weather gets colder the Resettable thermostat option gets activate and you have to heat up the water by pressing Re settable thermos stat button. Moreover, this unit has an auto shutoff function. In case of an explosion or fire, it will turn off automatically.
The Titan SCR2 N-120 can provide a continuous flow of hot water up to 4gpm and keeps the temperature consistent. Just like any water heater this model can handle all the need and demand of normal size home. And of course, it has 99.5% energy efficiency. So, there will be no pain of paying extra bills along with the heater.
7 – Rinnai RUC98iN Ultra Series – Best Outdoor Tankless Water Heater Propane
Technology definitely has expanded, when it comes to tankless water heater running on gas the Rinnai RUC98in is a real gem.
Rinnai has been in the business of delivering high quality and innovative home heating appliances for the last 4 decades and their comfort level continually reaching their epitome and facilitating their user in an excellent way.
The Rinnai RUC98iN natural gas tankless water heater is tremendous for any house. At first glance, this unit is larger roughly the size of a suitcase, means more power by saving a lot of energy. GPM (gallon per minute) is the biggest concern for many users, this is why Rennai is a top-notch product for running a multiple application at a time.
The Rinnai RUC98iN ultra tankless water heater is a true state of the art technology among other tankless water heater and continually increasing its popularity. The stainless steel body allows the longevity of the unit, you can easily certain that the product retains it’s even after long-term usage.
Moreover, it’s sleek design make it easy to install anywhere inside in residence, office or even in the hotel. If you are sick of watching your every family member waste ton of hot water when they have to shower, this device is very helpful to control water waste while handling other faucets.
The specialty of this tankless less unit is not only heavier than any other tankless water heater brands. The energy factor of this heater is 0.95 whether it runs on propane or natural gas, which is higher than the other gas powered water heater. Not only that, this heater is energy star certified. It has bigger gas and water supply inlets and outlets than most Gas tankless water heater that’s why it can supply plenty of hot water to multiple shower and faucets at once without any fluctuation in temperature.
The flow of hot water rate is very wide at 0.26 to 9.8 gallon per minute, while the minimum activation flow rate is only 0.4gpm. And the maximum to maximum gas burn rate is varies from 15,200 to 199,000 BTU which is a very wide range.
One thing to keep in mind that this tankless unit might be heavy on your wallet. The Rinnai RUC98iN fitted with 0.75inch MNTP water and gas connection, which means you may have to upgrade all the connections if you have standard 0.5 inches fitting in your home. Furthermore, you would have to hire a pro to install Rinnai RUC98iN, though you can install it by yourself just reading the in-depth manual, but make sure you have a right gas pressure and supply.
8 – Takagi T-KJr2-IN-NG – Best Indoor Natural Gas Tankless Water Heater
The Takagi T-KJR2 has been satisfying its customer since its launch. This budget-friendly heating unit builds with high-quality material to serve you for a long time.
You may be a wonder if you ever had a Takagi water heater, but the main concern of this Takagi T-KJR2 model is that this unit is not that kind of strong to run in the larger house. Though, this gas-fired tankless water heater is the finest option for installing in a small house or where is low flow requirement. If you are cautious about saving money and want that tankless unit which lasts for a long time than Takagi will be the most cost efficient product you will buy.
This model has a compact design with the size of 6.7x 13.8 x 20.3 and a weight of around 38 pounds. This wall mounted heater is big as an oversized I-pad which doesn’t mean it hasn’t the ability to provide plenty of hot water. Takagi T-kjr2 model claims there will be no hot water shortage when user will have its need. It can produce up to 6 gallons water per minute at 35F temperature 3.3 gpm at 70 F rise. This tankless water heater is ideal if you lived in a small home, condos or an apartment.
Since this heater powered by natural gas, therefore, this unit needs some venting. It’s venting system made with category 3 steel, not like other gas operated tankless water heater who provide vents that are made of plastic and soft copper.
Furthermore, if you live in a place which is far above from ground level than you would be surprised to know that this unit can support your home at 10,000 feet altitude. Although there are most expensive, high-performance gas-fired tankless water heater out there but none of them can function over 2000 altitude feet.
More interestingly, the temperature can be adjusted through remote control. This standard feature allows the user to control the heat conveniently while making the distance from the heater.
Overall the Takagi T-KJR2 is finest tankless water heater for small homes. Although the installation of this unit is bit costly, but it has the capability to serve your small family for up to a decade.
9 – Rheem RTGH-95DVLN – High-Efficiency Gas Water Heater
How many time you felt frustrated because someone is doing laundry or washing dishes and your shower temperature dropped 30-degree temperature and fluctuate some mostly.
It usually happens when you are using low GPM water heater and running to many application at a time. This is why Rheem RTGH-95DVLN with the high flow rate gas-fired tankless water heater is such a dedicated type of unit in the market. Rheem RTGH-95DVLN is the best of the best water heater specially designed for continuous hot water.
About the size of a medicine cabinet, which weighs around 79 pounds, Rheem RTGH-95DVLN D series condensing tankless water heater is the company’s most efficient tankless product. It uses condensing technology to operate at 94% thermal efficiency and a convent with PVC piping making installation faster and easier and cost-effective.
Operationally, this unit is simpler and easy to operate, there is a remote control panel to adjust the temperature with the 10ft of thermostat wire. Just select a good location to mount this control panel where you have good access to operating this tankless water heater. Push the Up button and get the on-demand continuous hot water, when your job is done, push the Down button and it sets back to default temperature setting. Furthermore, it has the high altitude capability to serve hot water for your family. This unit can perform up to 9840 ft above sea level.
More interestingly, Rheem RTGH-95DVLN gas operated tankless water heater is equipped with the technology of freeze protection which can bear extreme cold weather condition for up to -30F.
Although you would have to pay a bit high amount of money to install one in your house, believe it or not, this unit pays itself after the installation. The built quality of this unit is a stainless condensing heat exchanger which is 94% energy efficient that is more saving for homeowners.
10 – EXCEL low pressure 1.6 – Propane Tankless Water Heater for a Mobile Home
If you have installed a tank water heater at your home previously, you aware of how much space they eat away. How about replacing those 12/13 cubic feet of that heater with a dimension of 18 x 7 x 14 inches.
The great thing is that this EXCEL tankless water heater is the wall mounted that frees up the floor space that can be used as additional storage.
The Excel tankless gas operated water heater is suitable where low pressure requires like in home, RV or any other portable need. This unit only offers 1.6 gallon per minute of hot water, which is still the best option for continuous hot water for many homes and for single householders. Not only this, it is the most affordable unit in our list with the price tag of $200 which is not the cost but a good investment on the tankless water heater.
Don’t be deceived by its small size, this is a very powerful appliance for supplying constant hot water on demand in small homes. From its released date it has received a lot of positive reviews from customers for its efficiency and small size.
Great thing is that this water heater is vent free that means it can be installed anywhere inside the house. It does not require hefty and costly installation of ductwork because it is equipped with the ODS (oxygen depletion safety shutoff device) which also helps to reduce natural gas consumption up to 25% compared to other gas operated tankless water heater.
The incoming hot water is dependent upon the temperature of the source of water. If your inlet temperature is 45F then this unit will produce hot water 90F with the max flow rate of 1.6gpm.
Moreover, in case of power outage, you can still enjoy your hot shower because it has 2 D-sized batteries to operate as a power back up.
Why go Tankless?
Tankless Water Heater Electric vs Gas.
During purchasing a tankless water heater you might be confused about what nature of water heater you should buy, Electric or propane gas? Which is highly efficient and better in performance. Actually, there Is no exact answer what kind of water heater unit you should buy. What model is better for big house obviously would be wastage of money for a single person household. Though the decision of selection either gas-fired or electric operated should be made with homeowners. Here are the following factors that you should be considered before purchasing a tankless water heater.
- The water flow of your house according to water usage routine to full fill the requirement.
- The Convenient source of utility services like natural gas and sufficient electric supply that fits to operate your tankless water heater.
- Labor cost to install the water heater.
- Life expectancy and warranty of the water heater.
Tankless Water Heater Installation Cost.
The starting cost of best quality electric tankless water heaters is less pricy than natural gas operated. The average price of tankless water heater costs around $400 to $700 USD. But the thing is that it is only good for low water usage. Whereas natural/propane gas tankless water heater generally cost between the $800 to $1200 USD, especially when it has some electronic pieces of stuff like digital display or remote control.
After purchasing the tankless water heater the only problem you face is “how to install it”? Most people rely on certified plumbers to install their units, Although, they can follow the manual of installing instructions. The installation of Gas tankless water heaters is complex because of its venting and air supply to its combustion chamber requirements. Though it consumes high gas pressure, existing a side wall ventilation system is really adequate. Overall, these requirements make gas operated tankless water heater more expensive to install.
Whereas Electric tankless water heaters are small as compare to gas operated. It doesn’t require any kind of ventilation. And you can mount it anywhere, on the wall, under the sink or any confined place. Electric tankless water heater installation cost is much cheaper than the installation of a gas tankless water heater installation cost unless there is no electric system upgradation required.
Tankless Water Heater Cleaning and Maintenance.
If you are using a gas tankless water heater especially at your home you must have a need to inspect it every year by a certified plumber to ensure that there is no gas leakage in its combustion and its fitting. On the other hand, Electric tankless water heater doesn’t need any costly maintenance after buying. Well in case of any problem, due to its simple design, cleaning, tracing and maintain the fault is quite simple and can be done spending less money.
The Pros and Cons of a Tankless Water Heater.
Electric tankless water heater pros
- Best option where low hot water requirement.
- Easily fits into tiny spaces and saves lots of your valuable space.
- Not too much expensive.
- Little or no maintenance required.
- Most electric water heaters are also capable to run in higher altitude places.
Electric tankless water heater cons
- Low GPM rate, 4 gallons per minute in almost every electric tankless water heater.
- Not suitable for large families.
- You might have to upgrade all the electric kinds of stuff in your home to match the power requirement of your water heater.
Natural gas tankless water heater pros
- More reliable and efficient.
- Low fuel cost.
- Performs super in winter.
- Output water flow rate could be over 8.5GPM.
Natural gas tankless water heater cons
- Need to be vented properly which is more complicated and expensive to install.
- Yearly maintenance is recommended for safety concern.
- At high altitude places, it requires additional installation work. Else the gas will not burn properly and will cause to produce carbon monoxide.
The Final Say.
The tankless propane and electric water heaters are more eco-friendly as compared to traditional tank heaters. They are more efficient energy savers as water is heated only when required. tankless propane or electric water heaters provide very durable heating solutions. The units contain copper heat exchangers and stainless steel burners, which are very durable. Many factors such as the environment, usage, water quality, and maintenance affect the durability of your tankless water heater, but the traditional tank heaters are subject to excessive corrosion as they constantly maintain hot water. On average, your tankless home water heater will last for more than 20 years.