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- #5 Ultra Series – Natural Gas Tankless Water Heater From Rinnai
- #4 Electric Tankless Water Heater From Rinkmo
- #3 Tankless Water Heater Tempra 24 Plus From Stiebel Eltron
- #2 5L 1.32 GPM Outdoor Portable, Propane Tankless Water Heater From CAMPLUX ENJOY OUTDOOR LIFE
- #1 ECO 18 Tankless Water Heater From EcoSmart
Best Gas & Electric Tankless Water Heater
Hot water storage tanks take up a lot of space, waste energy, and can cost a lot of money over the years. With a tankless water heater, you get hot water faster, don’t run out of it, and avoid rust in your water from the tank. To save yourself from headaches and reduce your energy bills, switching to a full tankless heating system is a good solution.
Keep reading to find the perfect one.
To give you this top 5 review, we have looked at 111 products and analyzed 3146 customer reviews.
#1. ECO 18 Tankless Water Heater From Ecosmart
2.5 GPM
Top Pick
The EcoSmart, ECO 18 produces an amount of water similar to what a showerhead needs. If you are living in warmer areas, you will be able to support up to two shower heads using this device. The installation of this unit is rather simple. Despite the many features of the product, this heater is still offered at a reasonable price.
- Compact
- Easy Installation
- Good Prise
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The EcoSmart, ECO 18 produces up to 2.5 gallons of water per minute. In other words, it can produce an amount of water similar to what a showerhead needs. But, if you are living in warmer areas, you will be able to support up to two shower heads using this device.
If you have limited space, this compact model is definitely an outstanding product. The installation of this unit is rather simple. As long as you have the manual and tools, most people should be able to install the device themselves.
Despite the many features of the product, this heater is still offered at a reasonable price. In fact, it outperforms many of its more expensive competitors. On the negative side, this device cannot be installed outdoors, and if you do the installation of this unit yourself, it voids EcoSmart’s lifetime warranty of the product.
#2. 5L 1.32 GPM Outdoor Portable, Propane Tankless Water Heater From Camplux Enjoy Outdoor Life
Low Price
Budget Option
The Camplux is a very affordable water heater that runs on propane. It measures only 11.4 x 5.5 x 14.6 inches and weighs 10.8 pounds. This propane heater is equipped with oxygen depletion sensor protection. The package includes wall mounting brackets, a CSA certified regulator, a portable handle, and an air outlet.
- Propane Heater
- 1.32 GPM
- Easy Installation
- 10.8 Pounds
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The Camplux is great for camping, to use at the beach, or for family vacations in the mountain cabin, or to use in outhouses like in a horse stable. This model is a very affordable water heater that runs on propane. It is capable of heating the water instantly. This propane heater is equipped with oxygen depletion sensor protection, and it can be installed indoors if the room is properly ventilated.
The ignition can be turned on using 2D cell batteries. It only needs 2.5 PSI of water pressure and it works great with water pumps. The maximum temperature is 114.8 and the minimum is 46.4 degrees F for a throughput of 1.32 GPM.
The 5L Camplux model is compact in size, making it easy to transport and install. It has a lot of safety features, including overheat protection, anti-frozen, low water flow, flame failure, dry combustion, and high water pressure protection.
The package includes wall mounting brackets, a CSA certified regulator, a portable handle, and an air outlet. This product measures only 11.4 x 5.5 x 14.6 inches and weighs 10.8 pounds. If you are looking for a small easy to install unit, then this is the one for you.
#3. Tankless Water Heater Tempra 24 Plus From Stiebel Eltron
Great Capacity
Top Pick
On-Demand Hot Water Heater from Tempra has a great capacity for heating your water in a matter of seconds. It will keep the temperature quite constant for as long as you need, with no cold spots, even when several points are in use at the same time. This German produced tankless water heater, has a slightly higher price tag than some of the other models.
- Constant Temperatur
- 4.68 GPM
- 3 Years Warranty
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The Electric, On-Demand Hot Water Heater from Tempra has a great capacity for heating your water in a matter of seconds. It will keep the temperature quite constant for as long as you need, with no cold spots, even when several points are in use at the same time. It has a 4.68 gallons per minute flow rate, which is decent for an electric instantaneous water heater.
Making one of these heaters suitable for a small home. This German produced tankless water heater, has a slightly higher price tag than some of the other models. This is likely due to its digital controls and convenient design. Stiebel Eltron gives a 7 years warranty for leakage and 3 years for parts.
These features combined make the Tempra Plus, one of the best tankless water heaters in the electric range. On the down side, You may find that this unit is unable to heat water sufficiently if temperatures outside are below freezing.
#4. Electric Tankless Water Heater From RinKmo
Smart Modulating
Top Pick
With the size of a small suitcase, it will save you a lot in installation space. You simply press the button to switch between Fahrenheit or Celsius and set the desired temperature by turning the button. Water Flow rate of this unit is around 2.3 Gallons per minute, making it idle for smaller installations.
- Small Size
- Easy To Operate
- 2.3 GPM
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The smart modulating technology in the Rinkmo E.I 18, will calculate the difference between the desired temp and current temperature, and then adjusts power input based on flow rate and temp setting in real time. This means you will have no sudden temp changes with this model. With the size of a small suitcase, it will save you a lot in installation space. And this model is easy to install and operate. You simply press the button to switch between Fahrenheit or Celsius and set the desired temperature by turning the button.
The Water Flow rate of this unit is around 2.3 Gallons per minute, making it idle for smaller installations.
#5. Ultra Series – Natural Gas Tankless Water Heater From Rinnai
Efficient
Top Pick
The Rinnai RUC80 I.N, is a sleek and highly efficient tankless gas water heater. The most powerful burner of all the items in this review can generate an impressive 152,000 BTUs. This is enough to supply your whole house with hot water. it isENERGY STAR Qualified with an Energy Factor of 0.96.
- Energy Star® Factor 0.96
- Gas Or Propane
- Flexible Installation
- 12-Year Limited Warranty
- 8 GPM
- For Whole House
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The Rinnai RUC80 I.N, is a sleek and highly efficient tankless gas water heater. it is ENERGY STAR® Qualified with an Energy Factor of 0.96. It is available in two different models for natural gas or propane. And it comes with multiple venting options for flexible installation. with the Rinnai Circ-Logic™, you can pair this unit with an external pump to reduce the waittime for hot water, via scheduled or on-demand recirculation.
It comes with a 12-year limited warranty on the heat exchanger, and a 5-year on parts. The Rinnai comes with the most powerful burner of all the items in this review. It can generate an impressive 152,000 BTUs. With 8 Gallons Per Minute, this is enough to supply your whole house with hot water.
If you are looking for a gas-powered Tankless Water Heater, to supply your whole house, then this is the model for you.
