Are you unable to manage the electricity cost and search for the best tankless gas water heaters in 2022 as an alternative? This review is about the gas water heater that is efficient to reduce electricity costs. A tankless water heater is an advanced type that is active to provide endless warm water while using a very little amount of energy.
This water heater comes with multiple advantages that increase its demand among users. Though this advanced type heater comes with slight cons, these are not intense to bother you.
At a Glance:
We have completed fine research and ended up with a list of the best tankless gas water heater. All the discussed models have a good name in the market, and a large population is already getting their advantage.
- Our Recomendation for Best Tankless Gas Water Heaters
- 1. Rinnai V65IN Tankless Water Heater
- 2. Rheem RTGH-95DVLN Tankless Water Heater
- 3. Eccotemp i12-NG Tankless Water Heater
- 4. GASLAND BE158 Tankless Water Heater
- 5. Takagi T-H3-DV-N Condensing Tankless Water Heater
- 6. Camplux Pro Natural Gas Tankless Water Heater
- 7. Rinnai V75IN Indoor Tankless Hot Water Heater
- 8. Noritz NRC66DVNG Condensing Tankless Hot Water Heater
- 9. Takagi T-KJr2-IN-NG Indoor Tankless Water Heater
- 10. Eccotemp fvi12-NG FVI-12 Tankless Water Heater
- Frequently Asked Questions
- Conclusion
- Our Recommendation
Our Recomendation for Best Tankless Gas Water Heaters
There is a list of the best tankless gas water heater that is energy efficient and providing intense hot water.
Award | Design | Tankless heater reviews | Retailer |
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Best tankless gas water heater indoor | Staff Pick ![]() | Check Price | |
Best natural gas tankless water heater | Best Pick ![]() | Check Price | |
Best tankless gas water heater indoor | ![]() | Check Price | |
Best tankless gas water heater outdoor | Budget Pick ![]() | Check Price | |
Best condensing tankless gas water heater | ![]() | Check Price | |
Best gas tankless water heater whole house | ![]() | Check Price | |
Best tankless hot water heater gas | ![]() | Check Price | |
Best high efficiency tankless gas water heater | ![]() | Check Price | |
Best large gas tankless water heater | ![]() | Check Price | |
Best buy tankless gas water heater | ![]() | Check Price |
1. Rinnai V65IN Tankless Water Heater
Staff PickBest tankless gas water heater indoor
Item Weight : | 45.6 pounds |
Product Dimensions : | 14.04 x 9.27 x 26.9 inches |
Size : | Large |
Color : | V65iN – Natural Gas/6.5 GPM |
Power Source : | Gas Powered |
Voltage : | 120 Volts |
Rinnai is introducing a different model that comes with a good flow rate and Wi-Fi support. The warranty time is good enough to support you for a longer time.
Maximum flow rate
The maximum flow rate offered by this water heater is announced to be 6.5 gallons per minute. This capacity is enough for residential use and happily entertain 5 fixtures. If your family is not big but middle with medium water needs, Rinnai V65IN will serve you well.
Keep in mind that the mentioned flow rated does not remain constant but is altered according to groundwater temperature.
Mobile application
It comes with Control-R 2.0 mobile application. You can set the hot water timing according to your schedule or switch to vacation mode when hot water is not needed.
Installation
According to manufacturers, it should be installed indoor due to its specific construction. The company advises you not to go for DIY installation. It may result in some damage followed by the cancellation of the warranty. Hiring a professional would be safe for you and warranty.
Design
With the while appearance, this tankless water heater is large in size and enjoys very simple outer construction. The front face is simple. The lower side has a small digital display that shows temperature on a dual scale.
Below this screen, you would see the buttons to manage temperature according to locality and intensity demand. Other connecting points are present at the back of the water heater.
Pros
- No need for a recirculation pump
- Produces non-stop warm water
- Installation is not difficult
- Safe for environment
Cons
- Unusual venting system
- High price
2. Rheem RTGH-95DVLN Tankless Water Heater
Best PickBest natural gas tankless water heater
Item Weight : | 79 pounds |
Product Dimensions : | 18.5 x 9.75 x 27.5 inches |
Batteries Included? : | No |
Batteries Required? : | No |
This tankless water heater comes with a PVC pipe. This unit is safe to use and comes with an energy efficiency of up to 94%.
Maximum flow rate
Raheem has brought a very famous market model with a maximum flow rate of 9.5 gallons per minute. This capacity happily fulfills the need for 7 to 9 fixtures. It would be a perfect option for a large home.
Keep in mind, and flow rate gets altered according to the groundwater flow system.
Design
Like other models of Rheem, this product comes with a simple interface. The outer look is gray that adds a professional touch to this unit. Direct venting and connection system are present at the upper and lower side of this tankless water heater.
The front face is very simple and does not offer a digital screen. Just a red logo of Rheem is present at the top left side that looks very decent against a gray background. The interior offers heat exchangers that are made of stainless steel. It reduces the chances of leakage by skipping corrosion.
Environmental safe
Manufacturers have announced that this model of Rheem is safe to use for the environment. This announcement has been made because it produces ultra-low nitrogen oxide and hence, no bad effect on the atmosphere.
Installation
This tankless water heater has been designed for indoor installation that offers energy efficiency of 94 percent. It would be best if you hire a professional for the perfect installation.
Pros
- The flow rate is good
- Safe for environment
- It comes with direct venting
- No leakage issue
- Flawless performance
Cons
- Not for outdoor installation
- The tag price is too high
3. Eccotemp i12-NG Tankless Water Heater
Best tankless gas water heater indoor
Item Weight : | 28.8 pounds |
Product Dimensions : | 17 x 29 x 11 inches |
Size : | 16 x 16 x 11 inches |
Color : | Black |
Style : | Natural Gas |
Voltage : | 120 Volts |
Eccotemp tankless water heater is small and black with an indoor installation design. The LED screen is very easy to use and offers full temperature control.
Flow rate
This tankless water heater comes with a flow rate of 4 gallons per minute. Though this capacity is not high, it can fulfill the demand of a small house need. You can get a supply of warm water up to 3 fixtures with this capacity.
Design
It is a rectangle tankless water heater that has a sleek and plain black front face. The Eccotemp logo houses this front face’s top position, while the lower end is located by a digital screen and touch buttons for various purposes.
The back panel is plain black plastic. The connections and vents are housed by the top and bottom positions of this tankless water heater.
It has been designed specifically to cut down power consumption. It demands no pilot light to offer warm water.
Installation
This attractive tankless water heater has been designed for indoor installation to keep it safe and secure. According to manufacturers, don’t try to install it yourself and hire a professional for additional safety.
Supportive features
It allows its system gets activated only when you need warm water; hence, it saves power. You can enjoy a completely automatic system to manage the temperature. This unit offers you an energy-saving mode that makes it unique.
Another excellent feature that makes it the best tankless gas water heater is that it is equipped with child lock technology to provide you with an extra layer of security.
Pros
- The LED screen is easy to use
- It comes with venting components
- The price tag is moderate
- The outer look is amazing
- Installation is easy
Cons
- Not for horizontal venting
- Warranty is limited
4. GASLAND BE158 Tankless Water Heater
Budget PickBest tankless gas water heater outdoor
Item Weight : | 15.44 pounds |
Product Dimensions : | 11.8 x 6.1 x 17.3 inches |
Size : | 6L |
Color : | White |
Power Source : | Battery Powered |
Voltage : | 3 Volts |
This water heater is safe to use due to its multiple protective features. The design is compact that makes it very portable. You can save energy by installing at the point of use or other indoor places.
Flow rate
This tankless water heater comes with a flow rate of 1.58 gallons per minute. This capacity fulfills the demand for one or two fixtures. Its small size and lower flow rate make it a point-of-use tankless water heater.
Design
This unit has a white appearance with a rectangular shape. The front panel houses the Gasland logo in the upper part. The lower part has a digital screen to show the temperature. Additionally, the same location has three rotating switches for various settings.
Protection
This unit is very active to save the freezing of water in a cold area or when not in use. When the temperature of the water gets higher than 167 F, the unit shuts off automatically; hence providing protection against overheating.
Demand
This tankless water heater is very active in providing on-demand warm water. It comes with maximum water output of 41,000 BTU per hour. Amazingly, you do not need to wait to preheat before using this model. The water pressure range for this unit is 2.5 to 110 PSI to support you according to demand.
Energy efficiency
You are ready to save energy up to 11.5 percent. This technology not only decreases gas consumption but also minimizes the burning noise.
Pros
- Less power consumption
- Minimum burning noise
- Small and compact
- Light in weight
- Very affordable
Cons
- Not for indoor installation
- Not for commercial use
5. Takagi T-H3-DV-N Condensing Tankless Water Heater
Best condensing tankless gas water heater
Item Weight : | 59 pounds |
Product Dimensions : | 11.25 x 17.75 x 24.88 inches |
Color : | White |
Power Source : | Gas-Powered |
Voltage : | 120 Volts |
If you need a compact and small tankless water heater with a good flow rate, use Takagi T-H3-DV-N. It is condensing unit and looks attractive at your place. Though the tag price is high, yet is worth the cost.
Flow rate
Takagi has introduced a strong model that has a flow rate of 10 gallons per minute. This capacity fulfills the demand for a large home or industry. You can enjoy a water supply of up to 8 fixtures with this single water unit.
Design
This model of Takagi is a condensing type that has a compact and short design to save space. The front panel is simple, with the Takagi logo at the top. The lower side of the front panel houses the digital display and necessary buttons against the black background.
The appearance of this water heater is gray with a rectangle shape. The connectors are present at the top and lower sides of this water heater.
Safety
This model of Takagi is equipped with multiple protection systems. It prevents the freezing of water in the extreme cold. Surge and overheating protection are the other systems that offer specific protection. Amazingly, it comes with diagnostic code for easy troubleshooting. You do not need a pilot light to run the system.
Heat exchangers
This system comes with heat exchangers that are made of commercial grades copper alloy. This material transfers heat 25 times better than stainless steel.
Pros
- Produces low nitrogen oxide
- Great flow rate
- Faster heat transfer
- Warranty is good
- Portable to use
Cons
- The tag price is high
- Not for outdoor installation
6. Camplux Pro Natural Gas Tankless Water Heater
Best gas tankless water heater whole house
Item Weight : | 49.7 pounds |
Product Dimensions : | 22.24 x 15.55 x 6.5 inches |
Size : | Natural Gas |
Color : | White |
Power Source : | AC |
Voltage : | 120 Volts |
Camplux is here to introduce you to an amazing model that comes with advanced flow control. This unit is safe for the environment and brings multiple protective features with it.
Flow rate
Camplux Pro is an advanced model that comes with a maximum flow rate of 6.68 gallons per minute. This capacity is enough for residential use. If you own a family of 3 or 4 people, this model will fulfill your daily need for warm water.
High flow control would never let run short of warm water. It would supply water to more than one connection at a single time.
Protection
Note that CSA has approved a safe unit for your full home. Actually, multiple features are equipped with this model that makes it safe. These include overheating protection, anti-freeze protection, and flame failure device. Amazingly, the system heat automatically when the temperature is 40 Fahrenheit.
Installation
The company has designed this unit for outdoor usage. The installation is super-easy, but hiring a professional would be worthwhile. It comes with a remote control having a digital display. You can ensure optimal flow control that comes with 3.3 feet cable.
Supportive functions
It has an energy factor value of 0.82. It produces a very less amount of nitrogen oxide that is 9.5ppm, and it does not pollute the environment. Out power is 180,000 BTUs per hour to save energy by this tankless water heater.
Pros
- Safe for environment
- The advanced flow of water
- Easy to install
- Convenient to use
- Efficient to use
Cons
- The price tag is steep
- No other con is available
7. Rinnai V75IN Indoor Tankless Hot Water Heater
Best tankless hot water heater gas
Item Weight : | 45.6 pounds |
Product Dimensions : | 14.04 x 9.27 x 26.9 inches |
Size : | 7.5 GPM |
Color : | White |
Style : | Natural Gas |
Rinnai V75IN has been designed specifically for indoor usage. SCAQMD has verified it as safe for the environment. The size is not large and remains ready to provide instant warm water.
Flow rate
Rinnai has introduced a different model in the market that has a maximum flow rate of 7.5 Gallons per minute. This flow varies according to groundwater temperature. 7.5 GPM is not a small capacity. You middle-sized family can get enough hot water to fulfill daily need.
Installation
The company has made this unit for indoor installation. Though the installation process is not complex, yet it demands a professional to save the warranty. Don’t try to install it outdoor as the destruction of the heater would follow it.
Design
This Rinnai model is white in appearance and large in size. The front panel is too simple. The lower part of the front face houses a small digital screen to get an update about temperature. Below this screen, there are houses on/off and priority buttons.
The temperature can be seen on a dual scale to ensure feasibility. The temperature range offered by this heater is 98 Fahrenheit to 140 Fahrenheit.
Mobile app
The availability of the app has made Rinnai unique among all brands. That’s why this unit is also offering this app that allows water schedules according to your routine. You can turn the device to vacation mode when not needed.
Pros
- Warranty is good
- Installation is not complex
- Temperature can be manage
- Safe for environment
Cons
- High price for some
- Not for outdoor
8. Noritz NRC66DVNG Condensing Tankless Hot Water Heater
Best high efficiency tankless gas water heater
Item Weight : | 39 pounds |
Product Dimensions : | 6.7 x 13.8 x 23.6 inches |
Batteries Required? : | No |
Warranty Description : | 12 Year |
Color : | White |
This model of Noritz belongs to the category of condensing water heater. Its efficiency is very high, and the environment receives no dangerous gases by using this unit. The remote thermostat has made this unit feasible to use according to your demand.
Flow rate
Noritz is a famous name that has introduced this model, having a flow rate of 6.6 gallons per minute. This capacity is used to fulfill the demand for a medium home. The flow rate may get change according to groundwater temperature.
Design
The outer body is white with the Noritz logo at the top left corner. There is no button to manage the setting at its front face. The fitting connections and venting house are at the top and the bottom of this unit. Due to this design, it can be mounted on the wall with great ease.
Installation
The installation is not complicated but tricky. Manufacturers recommend you install this unit indoor to enjoy worry-less usage. If you do not want to destroy its warranty, then hire an expert and let him deal with the installation process. For venting, you can use PVC pipes and fitting.
Temperature
This unit comes with a temperature controlling feature. A remote thermostat is here that offers this role. The remote thermostat comes with 6 feet cord to support it in its specific way.
Pros
- Safe for environment
- Looks very simple and decent
- It comes with a remote thermostat
- Efficiency is high
- Multiple terminations and adapters
Cons
- Need separate valve kit
- The price tag is high
9. Takagi T-KJr2-IN-NG Indoor Tankless Water Heater
Best large gas tankless water heater
Item Weight : | 37 pounds |
Product Dimensions : | 6.7 x 13.8 x 20.3 inches |
Color : | White |
Voltage : | 120 Volts |
Batteries Required? : | No |
Warranty Description : | 10 year |
This model of Takagi comes with a very simple interface and white appearance. Energy star has verified it as a safe product. The weight is not very high that makes it portable to use. Your environment would not be polluted by using this product.
Flow rate
Takagi is offering you a tankless water heater that comes with a flow rate of 6.6 gallons per minute. This capacity serves a family with 4 to 5 people. It cannot be used for a large home with intense water needs or for commercial usage.
Design
The appearance is white with a clear and flat front face. The upper left corner is housed by the Takagi logo that looks very decent against a white background. There is no digital screen or buttons at the front. Water connections, fittings, and vents are present at the top and bottom of this model. So, it can be mounted on the wall with a super-ease.
Temperature
Amazingly, the temperature is constantly monitored by the inlet and outlet integrated thermistors. This unit is also an energy-saving model with an energy factor of 0.81 to 0.83.
Installation
The manufacturers have designed this model for indoor installation. So, to ensure security and protection, you need to avoid its outdoor installation. It needs stainless steel venting, belongs to class 3, having a 4-inch size.
Pros
- Safe for environment
- Perfect for residential purpose
- Very solid components
- Installation is super easy
- Save the space
- Very simple interface
Cons
- Need maintenance from inside
- Flow rate is not very high
10. Eccotemp fvi12-NG FVI-12 Tankless Water Heater
Best buy tankless gas water heater
Item Weight : | 29 pounds |
Color : | White |
Power Source : | Gas-powered |
Voltage : | 110 Volts |
Wattage : | 4 watts |
Eccotemp has introduced a simple and compact model in the market that is easy to install. It can be used under the sink or washroom to be used as a point-of-use heater.
Flow rate
This Eccotemp model has a flow rate of 3.5 gallons per minute. This capacity makes it convenient for a small house need. It can be used as a point-of-use tankless water heater and installed under the sink. The output water temperature and flow rate may be altered parallel to groundwater.
Design
It is a rectangular-shaped model that looks white from the outside. Its interface is very simple. The Eccotemp logo houses the upper right corner against the white background. Plus, the bottom line of the front face is housed by a small digital screen. The temperature digits appear red against the black background on this display.
Gas and water regulators are present side by side near the digital screen. Above the screen, at the mid-right of this face, there is a list elaborating safety precautions. Vents, fittings, and water connections are present at the top and bottom of this heater.
Installation
This heater remains safe in indoor installation. For a small house, it is ready to serve with fast power ventilation. This unit is ideal for your small cabin, apartment, or house.
Pros
- It comes with water temperature control
- The manual is very easy
- Compact and smart
- Looks very decent
- Produces less noise
Cons
- Flow rate is less
- Not for RV application
Frequently Asked Questions
What is the best tankless gas water heater?
Our top three picks are;
• GASLAND BE158 Tankless Water Heater
• Rheem RTGH-95DVLN Tankless Water Heater
• Rinnai V75IN Indoor Tankless Hot Water Heater
Name the famous brands of tankless gas water heaters?
The famous brands that are producing tankless gas water heaters are Rinnai, Rheem, Noritz, Gasland, Eccotemp, and similar others
What are the advantages of using a tankless water heater?
These are the following advantages offered by the tankless gas water heater;
• They provide unlimited warm water
• Energy can be saved with this type
• You do not need to wait for warm water
• They save space, time, and money
Conclusion
In conclusion, we found that there are a large variety of gas tankless water heaters, but not all type gives you demanded results. We pick all the best models with a few cons that do not bother you. All the products mentioned above are unique and efficient in their own ways.
After a lot of research, we manage the best tankless gas water heater of the year that will facilitate you. We believe that after reviewing this post, you would find the product of choice for sure.
Our Recommendation
If you have a less budget and need a good water heater that needs gas as a power source, try GASLAND BE158 Tankless Water Heater. It is made of copper and steel and comes with an overheat and anti-freeze protection system.
On the other hand, with a strong budget, you can go for Rheem RTGH-95DVLN Tankless Water Heater. It comes with excellent energy efficiency and produced low nitrogen oxide. Its construction has been completed with stainless steel that makes it stronger and durable.
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