Best Gas Water Heater is used to produce hot water in households. They are gas based but the newer models use electricity. Best gas water heaters operate on natural and Propane Gas.
They are environmentally friendly in a way that they don’t emit gases which can cause the greenhouse effect.
The Best Gas Water Heaters are easy to install and also easy to use.
They have an innovative and sleek design. Besides being pleasant to look they also supply endless hot water along with quality water. Moreover, they are energy saving and brings a significant reduction in the utility bills.
They are easy to replace also. So, we can say that it is user-friendly also. The amazing and incredible flow rate of the gas water heaters supplies endless quality hot water to its user in extreme temperature also.
Best Gas Water Heater Reviews 2019
The gas water heaters have extensive application in residential, domestic and commercial fields. The gas water heaters have an amazing size, innovative design, use advanced technology and are reliable in their use.
Here is the quick list of the latest best Water Gas Heater:
- 1- Rheem RTGH-95DVLP 9.5 GPM Indoors
- 2-Takagi T-K JR2-IN-NG Indoor Tankless Water Heater
- 3- Rinnai RL94iN Natural gas Tankless Water Heater
- 4- Rheem G100-200 Universal Gas Commercial Water Heater
- 5- Rinnai RUC98iN Ultra Series Gas Tankless Heater
- 6- Ecotemp I-12 Natural Gas 3 GPM
- 7- Ecotemp L10 Portable Outdoor Gas Water Heater
- 8- Rheem RTG-84XLN-1 Outdoor Heater
- 9- Rinnai RLX94iN Luxury Series Heater, 9.8 GPM
- 10-Rinnai RL94eN
Let’s have a look at 10 best gas water heaters.
1- Rheem RTGH-95DVLP 9.5 GPM Indoor Direct Vent Tankless Propane Water Heater
Rheem RTGH-95DVLP is a gas generated water heater. The simple gas water heater has significant qualities and numerous other valuable features. The product weighs around 79 pounds and it is compatible in its size. The user can install it anywhere inside and outside the house. It is super easy to install and also easy to use.
The main feature of this heater is its advanced digital display. With this feature, the user can maintain and adjust the water temperature and enjoy continuous hot water according to their needs. The energy efficiency is another feature of the model. It consumes less energy and saves up to 94%. The low Nox Version present in the water heater provides safety to its customers. Due to this feature, you can install it inside the house and also under the stairs. The Rheem RTGN-95DVLN has a flow rate of 9.5 GPM. Due to this high flow rate, it has a good and high altitude capacity. It has the ability to work at 9.840 ft. above sea level.
So it is great for people living in mountainous areas and at a higher altitude as well. This gas heater also has freeze protection which is -30F. It can also be used in commercial and industrial fields.
All in all, features such as Easy to use, occupying less space, user-friendliness along with many qualities makes it a worthy choice.
- Easy to install.
- Work at extreme cold temperature.
- Smart and efficient.
- Poor customer service.
Customer Questions on Rheem Propane Tankless Water Heater
Q: How long does it take to start getting the hot water?
A: The time depends upon the distance between the faucet and heater, but you can get instant hot water if the distance is very short.
Q: How many BTU’s?
A: The heater can produce a maximum of 200,000 BTU’s approx. for 3 showers.
2-Takagi T-K JR2-IN-NG Indoor Tankless Water Heater
Takagi is another gas based water heater having significant feature and qualities. It is used for indoor purposes so it best suited to use in domestic fields.
The unit is specially designed for small houses because it has a low flow rate. This product is compact in size which means it occupies less space and can be easily installed in tightest of spaces. Along with easy installation, it also provides reliability for 
more than 10 years.
The efficient water heater provides 40 Gallon water. It occupies less space but gives maximum results. The flow rate is 6.6 GPM which is suitable to run a small household with plenty of hot water. The presence of the Air fuel ratio sensor provides safety against harmful pollutant and other gases.
Along with these features, it has freeze and digital meter protection that ensures maximum safety and equipment breakdown.
The inlet and outlet thermistors can adjust the internal and external water temperature.The product is highly durable. Takagi water heaters are easy to install, space saving and energy efficient.
- Easy installation.
- Ensure safety.
- Having expensive pieces.
- Not suitable for commercial uses.
Customer Questions on Takagi Natural Gas Heater
Q: How well does the system handle hard water?
A: We recommend installing a softener system before the heater. The hard water will scale block the heat exchanger, which will be difficult to clean.
Q: Does it include horizontal Vent Kit?
A: No, you have to order it separately.
3- Rinnai RL94iN Natural gas Tankless Water Heater
Rinnai RL94 is a natural gas water heater which is operated through a gas. It is a tankless water heater which means that it can supply abundant hot with high efficiency.
The product maximum flow rate is 9.4 GPM which is enough to run five faucets at a single time. As it is a natural gas based heater so it can consume less energy and cause a reduction in the utility bills. The other key feature of this model that it is energy efficient. It can saves energy by up to 83%. The maximum power provided by this water heater is 199,000 BTUs.
Due to high power, it can heat up the water from a certain temperature to 140 degrees or to 185 degrees. Due to high power output and high flow rate, it has vast uses in commercial and domestic fields as well. The product is highly flexible and easy to use. Its flexibility is measured that it can supply endless water to five appliances at a single time, without any fluctuation in supply or in temperature.
It has a great warranty of 5 years on its different parts and up to 12 years on the heat exchanger. Like other water heaters, it is space saving, light weight and user-friendly. It is highly durable with sleek-innovative design and with significant qualities.
- Highly durable.
- Innovative design.
- East installation and user-friendly.
- Highly expensive.
- Slow water heating tendency sometimes.
Customer Questions on Rinnai RL94iN Natural gas Tankless Water Heater
Q: How many Shower can I run at a time?
A: You can run 3 showers at full capacity at a time. You will never run out of hot water even if you use 6 showers, but the flow rate will be low at six.
Q: Can I use the same Vent which is used with my old heater?
A: You cannot use the old venting system with the Rinnai Gas heater. The heater has its own unique venting assembly.
4- Rheem G100-200 Universal Gas Commercial Water Heater
Rheem is a gas water heater and is used for commercial purposes. It is ideal for commercial use because commercial users require a large amount of water. So Rheem G100-200 is here to store a large quantity of water for commercial use. The diagnostic system is here to make sure that the system is doing its best job. The Rheem G100-200 has steel casing and is smaller in size. Due to these properties, it can ideally 
fit in any location and in any environment.
It will enable to hold and supply 100 gallons of water. The maximum power provided by the product is 199,000 BTU which is amazingly high. The presence of automatic fuel damper regulates and adjusts the fuel which can further used to heat the water. These Rheem gas water heaters have an amazing warranty of 3 years on the entire water tank and of 1 year on its different parts. It is reliable to use and is cost effective.
- Vast commercial uses.
- Universal model.
- Space saving and energy saving also.
- Not suitable for domestic use.
- The size of the product is not suitable to install it in small places.
Customer Questions on Rheem G100-200
Q: Is there a kit to convert to LPG?
A: No, there is no conversion Kit. You must order a unit that is suitable for LPG.
Q: If there is a leakage how can I Fix it?
A: If you observe leakage, you must replace the malfunctioning part.
5- Rinnai RUC98iN Ultra Series
Rinnai is a mind-blowing gas water heater having amazing qualities. The masterpiece can supply endless hot water and quality of clean water. The indoor based unit has vast application in domestic and commercial fields. Rinnai RUC98 have very high flow rate which makes it different from other heaters. The maximum flow rate generated by this heater is 9.8 GPM which is ideal to run many outlets at a single time.
The power generated by this heater is 199,000 BTU which is significantly high than other water heaters. Due to the high flow rate and maximum power output, it is ideal for use in commercial and large households.
The advanced venting system allows you, everyone, to install in easily. The presence of Ultra Low Nox Emission system is the advance feature. Due to the presence of this feature, it is completely noiseless and soundless. The energy saving feature can save the user gas energy and in return cause reduction in their utility bills.I t is highly durable, reliable in use and compact in size.
- Highly durable.
- High flow rate.
- Wide applications in commercial and residential units.
- Sensitive product.
- Need careful handling.
Customer Questions on Rinnai RUC98iN
Q: Does an Expansion Tank Needed?
A: If you want to isolate the hot side with recirculation, then you will need an expansion tank.
Q: What’s the difference between RUC98iN and RUC98P?
A: The RUC98iN is made for natural gas while the other model is for propane.
6- Ecotemp I-12 Natural Gas 3 GPM
Ecotemp I-12 is the natural gas water heater and is run through natural gas. The product has amazing and considered as a masterpiece. Ecotemp I-12 is famous for its new design and innovative technology.
The sleek design and black glass casing make it unique and impressive. The black casing is made of acrylic. Due to its compact size, it is ideal to use it in cottages, small houses and in vacation cabins. The key feature of the product is its LED display. The LED display is here which show the output temperature along with flow rate.
This feature can bring convenience to the user and make it easy for them to use. The facility of automatic temperature control along with energy saving mode is another Holy Grail feature of this product. Through energy saving mode you can save energy and make the product energy efficient. The flow rate provided by the Ecotemp I 12 is 3 GPM which is suitable to supply small houses with plenty of hot water.
- Sleek design.
- Energy efficient.
- Best for small households.
- Run only 2 showers at a time.
Customer Questions on Ecotemp I-12 Natural Gas
Q: Does it run on Propane?
A: Yes, the product uses Propane as a gas source.
Q: Can I run it for two Hours?
A: Yes, the unit can deliver hot water for hours and hours considering the fact that the minimum flow rate conditions are being fulfilled.
7- Ecotemp L10 Portable Outdoor Heater
Ecotemp L10 is the best and innovative water heaters that generally run on gas. It is from the series of Ecotemp water heaters who generally provide a quality product to its customers and without compromising on quality and safety. Having a strong and a rugged design, it is suitable and ideal for outdoor units. Like other water heaters, it is user-friendly, environment-friendly and reliable. The key feature of the product is that it is easier in its installation and maintenance.
The highly energy efficient product can save energy up to 79%. The energy efficient product can bring a significant reduction in the customer’s bill. The maximum flow rate of the water heater is 2.6 GPM which is sufficient to run a small household. Whereas it has also some uses in commercial fields. The digital temperature control is also present in the Ecotemp L10 which is there to control the temperature.So that user can get endless hot water according to their needs.
- Energy saving.
- Suitable for outdoor location.
- Reliable in use.
- Low flow of water.
- Automatically shut down after 20 minutes.
Customer Questions on Ecotemp L10
Q: Is this heater suitable for Indoor or Outdoor?
A: The heater produces a lot of exhaust heat, so we recommend installing the unit in a well-ventilated area and yes outside of the camp and house.
Q: Can I mount it outdoor?
A: Yes, the unit is made for outdoors. Just make sure you protected it from freezing and rain.
8- Rheem RTG-84XLN-1 Outdoor
Rheem RTG-84XLN-1 is the gas heater by the Rheem series. This is also one of the best water heater supply unlimited hot water on demand. The model is extremely energy efficient and can save your energy as well as water. The product can save up to 11,000 Gallons of water every year. Rheem uses a Copper heater to heat water.
The availability of copper heat exchange allows transference of heat 40 times faster than other ordinary heaters. Due to the presence of copper heat exchange, it is 94% energy efficient. The flow rate is 9.5 GPM. Despite high flow rate, it can cause less pollution. The digital remote control is present to adjust and control water temperature.
- Highly energy efficient.
- Cause less pollution.
- Bulky appearance.
- Suitable for outdoor locations.
Customer Questions on Rheem RTG-84XLN-1 Natural Gas Heater
Q: What is the BTU range?
A: The Rheem Gas Heater has a BTU range between 11,000 to 180,000.
Q: What is the maximum GPM and how many bathrooms can it support?
A: The unit can produce maximum GPM of 8.4 and can support 3-bathrooms with unlimited Hot water supply.
9- Rinnai RLX94iN Luxury Series
Rinnai RLX94iN is one of the Best Gas Water Heater in the market. It is tall in size and provides 37 liters of water per minute. The product is reliable in use and contains many user-friendly features.
The main and mandatory feature of the product is that the inner coating of the water heater provides resistance against corrosion.
The presence of inner coating keeps it away from harm and rust. This increases the life of the appliances. The product is packed with Dynaclean diffuser which prevents the accumulation of minerals and other sediments inside it. Rinnai heaters have internal microprocessor which increases the heat response.
- Highly durable
- Provide protection against rust
- WiFi-Capable
- Low exhuast emissions
- Includes isolation valves
- None
Customer Questions on Rinnai RLX94iN
Q: How many Bathroom Showers you can run from this unit?
A: You can run 3-4 showers at a time. The most important thing is that the whole family will be supplied constantly with hot water.
Q: Can this be converted into natural gas into propane?
A: No, you cannot convert from natural gas to propane for this unit.
10-Rinnai RL94eN Natural Gas
This heavy duty water heater is generated through gas and has amazing features. The Rinnai RL94eN is the best gas heater having a long life. The heater can supply 9.4 Gallons of water per minute for the whole family’s household demands.
It can supply endless hot water on demand. The heater is environment friendly due to its low noise system. The presence of environment grade burner also contributes to environment and make environment less pollutant. The water heaters have flexible and easy venting options.
- Supply endless hot water
- Smooth venting
- Environment friendly
- Thermally Efficient
- Saves a lot of space
- Harder to install.
Customer Questions on Rinnai RL94eN
Q: Does it come with isolation valves?
A: Yes, it does contain a pair of isolation valves for cleaning circulation.
Q: Is there any way to speed up the water flow?
A: For moving the Hot water faster, you need to install a Recirculation Pump.
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