Top 15 gas water heater price list of 2021

Water heaters have become an inseparable part of our daily lives these days. We use the water heater almost regularly, be it while taking a shower or other domestic purposes like washing, cleaning, etc.

These modern tool made with advanced technology is very efficient in providing you hot water in a very short time.

While gas with electric water heaters is available in the market, the gas-electric heaters are comparatively faster than the electric ones.

Natural gas, a reliable source of natural energy, is used to operate this device. The gas supply remains unaffected even in case of power shortage.

Also, gas water heaters are known for saving energy and providing more efficiency.

In this article, we listed 15 gas water heaters taking into consideration the price and efficiency.

Our Top Listed Best Gas Water Heater price below

To make your job easy and simple, we have enlisted most of the top-quality best gas water heaters with great features and customer satisfaction. You can find out the best option from the following 15 heaters quickly.

1. A.O. Smith GPVX-75L ProMax Gas Water Heater

gas water heater price

A.O. Smith gas water heater is built with Blue Diamond glass coating, which restrains the water heater from corrosion and rusting, unlike another water heater. This water heater comes with a 3-position rotatable blower outlet making it more durable.

This water heater comes with a venting system that expanded up to 40 feet and 4-in diameter venting. As a result, this gas water heater installation near me can be done anywhere in the home.

This GPVX 75L ProMax weighs 292 with a dimension of 26 x 26 x 70.63 inches. It can provide a flow rate of 80.4 gallons per hour. It is designed with a 2-pipe combustion system, which allows clean air from outdoors to indoors.


  • It can be installed anywhere in the house because of the 40feet long venting system.
  • It comes with a warranty of 6years for limited tanks and parts.
  • The display made of LED control light features the temperature status.


  • This GPVX 75L ProMax consumes a lot of space.

2. Takagi T-H3S-DV-N Tankless Water Heater

Takagi tankless water heater

Takagi t-H3S-DV-N tankless water heater provides hot water continuously. This series of hot water tank installers can’t save space but also prevent the wastage of energy. This unit can make a sufficient amount of hot water for three bathrooms in hot weather and two bathrooms in cold weather.

The primary heat exchanger uses copper-alloy to transfer heat, which is 25 times better than stainless steel. Moreover, the secondary heat exchanger uses stainless steel for restraining from rust. This gas water heater installation cost is minimal.

The dimension of this medium-sized water heater is 11.25 x 17.75 x 24.88 inches and weighs over 65.9 pounds. The temperature range of this heater starts from 100 to 140-degrees Celsius.


  • The fantastic flow rate of 48 gallons per hour.
  • Provides hot water at an elevation of 10,100 feet above sea level.
  • This water heater requires 180,000 BTU to supply hot water in three bathrooms in hot weather and two bathrooms in cold weather.


  • This unit is not equipped with remote control technology.
  • This gas water heater price is comparatively high.

3. Rinnai Outdoor Tankless Water Heater

Rinnai water heater

Rinnai Outdoor Tankless is a small gas water heater with 9.6 x 14 x 24.3 inches. This natural gas water heater comes with various models, which can provide 5.3 gallons per minute up to 9.4 gallons per minute depending on users’ needs.

Rinnai gives you constant hot water for 2 to 3 bathrooms with an efficient water flow rate of 6.6 gallons per minute. This is a perfect device for small and medium families. It uses 120,000 BTU’s and 0.82 energy factor approximately.

This water heater can control the temperature range from 98°F – 140°F as users need. It is not only a space-saving water heater but also lightweight and energy saving. This versatile water heater can be used both indoors and outdoors.


  • 10-years warranty for heat exchanger & 5-years for heat parts with 1-year work service.
  • This lightweight water heater weighs only 47.4 pounds.
  • Can fulfill the demand of 2 or 3 bathrooms.


  • The water pressure drops when it’s being used in two bathrooms.

4. Rheem Tankless Water Heater

Rheem heater

Based on Natural gas Rheem Tankless Water Heater provides an excellent flow rate of 6.4 gallons per minute at 35-degree rise. It comes with the “UMC-117” remote control system with 10 feet thermostat wire. It provides you an unlimited amount of hot water when needed.

This tankless water heater is space-saving with a dimension of 14 x 10 x 26 inches. It can supply endless hot water at a flow rate of 6.8 gallons per minute at 35 degrees Fahrenheit or 5.3 gallons per minute at 45 degrees Fahrenheit.

Rheem tankless water heater requires 0.40 gallons per minute of water flow to activate. The user can use two tankless units as one water heater by the EZ-Link cable.


  • This tankless water heater not only uses energy efficiently but also saves spaces.
  • It is so secure and safe to use for a long time.
  • Using EZ-Link cable, two units can be used as one.


5. A.O. Smith XCG-50 ProMax Tall Gas Water Heater

Tall gas water heater

A.O. Smith XCG-50 ProMax Tall can give twice the performance of a 25 gallon gas water heater. This water heating unit will ensure a consistent amount of hot water for a large family. The Blue Diamond glass coating restrains the product from being corroded.

The energy required to function the electronic gas control is produced by self-powered electronic gas valves using thermopile. With a two-combustion system, this water heater can bring and get rid of air that is 40feet away.

This water heater dimension is 21 x 21 x 60.75 inches with a weight of 168 pounds. The size of XCG-50 ProMax is 50 gallons of water. This water heater is built with an LED status indicator that shows the temperature and system to be operated. 


  • The diffuser dip tube does Dynaclean decreasing lime and residue buildup.
  • This a longest lasting gas water heater.
  • The ignition starts working with one push button.
  • It comes with 10years of tank warranty and 6years of parts warranty.


  • The water heater can’t come with a labor warranty.

6. Rheem PROG50-42N Professional Gas Water Heater

Gas water heater

Rheem PROG50-42N’s anode is designed with R-Tech, which makes it one of the longest-lasting gas water. R-Tech acts as a safeguard in the internal parts of the water heater. It will give you unlimited hot water for a more extended period if it is adequately maintained.

This water heater can installed anywhere at home since the venting system can be extended up to 100 feet. It can be ignited with the indoor air, and the flue gases go through the blower. Moreover, the blower of this water heater is almost audible.

Rheem PROG50-42N is a natural gas that can make 100 gallons of hot water with 60minutes. This natural gas 100-gallon water heater is eco-friendly as it emits low gases.


  • Can produce 100gallons of hot water within the course of 60minute.
  • It makes efficient use of energy and eco-friendly.
  • It comes with 6years limited warranty.
  • It is featured with a fast-heating cycle.


  • After a few years of use, the pressure switch becomes faulty.

7. Takagi T-TKJr2-OS-LP Tankless Water Heater

small water heater

Takagi is a small gas water heater that can be used outdoors only. The dimension of this unit is 6.7 x 13.80 x 20.30 inches. It is light in weight where it is only 38 pounds. This is an ideal water heater for a small house. 

It comes with internal freeze protection making it ideal for using outdoors like camping in cold weather. It is highly efficient with the usage of 19500 to 140,000 BTU per hour and an energy factor of 0.82.

This tankless water heater gives an excellent flow of 6.6 gallons per minute. It is enough to fulfill one user’s need which offers the consumers a 12years warranty for the heat exchanger. It is made of copper alloy. This is a compact design and makes efficient use of energy.


  • It is featured with freeze protection for use in a cold climate.
  • It has a flow rate of 6.6 gallons.
  • Built for using outside.
  • Lightweight powerful product.
  • Easy installation process.


  • The propane tank with heat exchanger begins to leak after some time.

See also: Best 50 gallon gas water heater review of 2021

8. Camplux WA686NGS Pro Natural Gas Tankless Water Heater

Natural gas water heater

Complux Pro Natural Gas Tankless water heater supplies never-ending hot water at the flow rate of 6.86 gallons per minute. This water heater is an ideal product for a family of 3 to 4 people where all can use it together at a time.

The water heater is designed with multiple safety features like flame protection, overheating protection, freezing protection. This water heater features the mechanical heating method if the temperatures jump down to 40 degrees Fahrenheit. Moreover, this model saves energy and eco-friendly as its energy factor is 0.82.

This water heater dimension is 22.24 x 15.55 x 6.5 inches and weighs up to 49.7 pounds. It is required to be flushed after 26 liters of water. It can be used for the full house and outdoors also.


  • The water heater is wall-mounted, making it easy to install.
  • It comes with a 120-volt power cord, remote control, 3.3 feet of remote control cable, and instruction manuals.
  • No extra vent pipes are required for outdoor installation.


  • This water heater cannot be used at 2000 feet altitude.

9. AO Smith GPHE-50 Water Heater

AO Smith GPHE-50

AO Smith GPHE-50 is a compact and versatile design that can consistently provide 3 gallons of hot water per minute. As a result, the user can use uninterrupted hot water. Moreover, the requirement of Low NOx emission is met.

The GPHE-50 comes with 6years warranty. Due to the Helical Coil heat exchanger, the tank can maintain a constant temperature for a more extended period of time. The water heater is equipped with modern features to makes it more user-friendly.

This water heater’s dimension is 22 x 22 x 70.63 inches with a weight of 140 pounds approximately. A water heater installation guide is not necessary as it is easy to install. The sidewall and Vertical vent option make it a more flexible gas line for water heater installation.


  • This water heater has a thermal efficiency of up to 90 percent.
  • The user can install the water heater easily.
  • AO Smith Motors Co provides six years of limited warranty.
  • The eco-friendly gas burner minimizes the outflow of NOx by 33 percent.


  • Makes loud noise and leakage in the tank are observed within a few years.

10. Rheem RTG-95DVLN Tankless Water Heater

Rheem RTG-95DVLN

Rheem RTG-95DVLN gives you an excellent flow rate of 9.5 gallons per minute. From primary material to finished goods, each of the units is tested by both the government and other labs to recheck the water quality.

The effectiveness of this heater is 0.93 UEF-US where a heat exchanger finished of stainless steel squeezing it. This unit requires at least 0.40 gallons per minute of water to start up and can save around 12,000 gallons of water per year.

The water heater dimension is 18.5 x 9.75 x 27.5 inches with a weight of 79 pounds. It is built with two pipe vents for outflow. This is an ideal product for users living at high altitude.


  • It comes with 12 years warranty.
  • A 120-volt power cord, 10 feet of thermostat wire, and a digital remote are included with the product.
  • It has the potential to provide the user with continuous water at the height of 9,840 feet above sea level.
  • Eco-friendly.


  • Leaks are visible after few years of usage.

11. Rinnai RUC98iN Ultra Tankless Water Heater

Rinnai RUC98iN

Rinnai RUC98iN Ultra lets you enjoy limitless hot water with a consistent flow rate of 9.8 gallons per minute. This unit is planned only to second-hand indoors. The exhaust gas can be vented outside through the Concentric or PVC venting option.

The condensing technology provides higher efficiency in comparison with previous tankless water heater models. This unit can maintain a consistent temperature for both residential and commercial. Besides, the water heater requires less space indoors for installation.

The dimension of this water heater is 10 x 18.5 x 26 inches where the weight is 82 pounds. It requires electric ignition for the activation of a water heater and consumes 15,200 to 199,000 BTU. This product provides a warranty for heat exchanger, parts, and labor.


  • One hundred twenty volts power cord, MC-91-2US controllers, are included with the product.
  • It provides a warranty of 12years on heat exchanger, 5years on parts, and 1-year on labor for the residential unit and 5years on heat exchanger, 5years on parts, and 1year of commercial unit labor.


  • The parts are not powerful enough and sometimes stop working.

12. Takagi T-H3-DV-N Tankless Water Heater

Takagi heater

Takagi T-H3-DV-N provides never-ending hot water as per users’ needs. It’s minimalistic and versatile design creates more space-saving and conserves energy. Moreover, the advanced technology system requires no pilot light. This makes the water heater safer.

The water heater system is cautious about cold weather, overheat, or voltage spikes. As a result, commercial use is an ideal product, like small restaurants and salons and residential uses. The emission of this water heater is Ultra-Low NOx.

The dimension of this medium-sized water heater is 10.75 x 17.75 x 22.5 inches, which weighs up to 59 pounds. It has a tremendous flow rate of 10 gallons per minute and can maintain its temperature from 100 to 185 degrees Celsius.


  • It can provide unlimited hot water at 10,100 feet above sea level.
  • It is featured with freeze, overheating protection, and also from voltage spikes.
  • The burner reduces the emission of NOx.



  • This gas water heater price is not affordable for everyone.

13. Rinnai V65IN Tankless Water Heater

Rinnai V65IN water heater

Rinnai V65IN tankless water heater provides continuous hot water for a full house. It requires natural gas to produce hot water. Rinnai also comes with various models with different flow rates as per user demand. Like different flow rates of 6.5/7.5/9.4 gallons per minute.

This model is highly efficient for indoor use. The flow rate differs from 6.5 gallons per minute due to groundwater temperature. It offers hot water so simply with ThermaCirc360 technology. The water heater turns on when the user requires hot water.

The dimension of Rinnai V65IN is 14.04 x 9.27 x 26.90 inches and weighs around 45.6 pounds. The water heater shuts down immediately if any leaks are observed. This saves a person from wastage of energy.


  • It has a 98 degrees Fahrenheit temperature range to 140 degrees Fahrenheit with an energy factor of 0.82.
  • It is built with a home leak detection system.
  • It comes with ten years warranty for heat exchanger, five years for labor, and one year for labor.


  • This gas water heater installation costs more for the venting system.

14. Camplux Tankless Water Heater

Camplux tankless water heater

Camplux tankless water heater looks more elegant and attractive with an LED display covered with black frosted glass. The LED display presents the correct temperature of the water with power button to increase or decrease the temperature.

Complex high efficiency 3.18 gallons per minute natural gas tankless water allows immediate hot water for 2/3 person. It provides multiple safety features, including freeze, flame, overheats, dry combustion, low water flow, and high water flow protections.

This Camplux gas water heater installation costs minimum as the process is very simple to install. It is an ideal product for small cabins and apartments. The temperature range of this heater starts from 95 to 149 degrees Fahrenheit.


  • It has a flow rate of 3.18 gallons per minute.
  • It is a budget-friendly durable water heater.
  • The manual for this gas water heater for installation is included with the water heater.


  • The water heater does not work at high altitudes.

15. Eccotemp i12-NG Tankless Water Heater

Eccotemp i12-NG tankless water heater

The front panel display of the Eccotemp i12-NG tankless water heater is covered with black frosted glass making the water heater look more modern and glamorous. The front panel is a touch screen LED display control that shows the temperature and the buttons to increase or decrease or even shutting down the water heater.

It automatically turns on as per users’ demands. This makes the water heater more efficient for using energy. Hot water can be supplied together in different units of the bathroom in the small and medium-size family. If you are stay in a small cabins or a small rooms or house, it can ideal for you.


  • It can be used at a high altitude of 5,500 feet.
  • It includes a flow rate of 4 gallons per minute.
  • It comes with two years warranty and child-lock technology.


  • Small leaks can be seen within one 1year of use.

Buying Guide For Gas Water Heater

When it comes to buying a gas water heater, it is essential to know the required amount of hot water in your family. So while getting the best gas water heater price, you should know the necessary features.


At first, there are three water heater types: storage tank, tankless, and combination units. Storage tank water heater stores the water and uses a burner to maintain the temperature.

Tankless water doesn’t store water but requires a boiler to provide hot water as per demand. The combination water heater uses both the water heater and central heating boiler as one unit.

Size and Capacity

Based on your family size and usage, a water heater with 20 to 100 gallons is suitable. You can calculate the need by adding 10 gallons for each in a tank water heater. When the question just comes for the tankless water heater, the flow rate has to consider must. A large sized family with a flow rate of 6 to 10 gallons per minute is suitable for you.


The installation of a water heater is not an easy task and requires a skillful plumber certified by the company to install the product. Some of the water heater company comes with parts and labor warranty.

Thus extra expenses are not required. Storage Tank water heater does not need that much cost compared to other types of a water heater. The tankless water heater requires a venting system. Moreover, the grouping of water heaters is more difficult when it comes to installation.


Nowadays, most water heaters are eco-friendly as they try to give more hot water with less energy use. The storage tank water heater is required to be flushed every one to two years, whereas the tankless water heater requires flushing frequently.

Or else sediments will grow at the water heater. Recently, the tankless water heater comes with freeze protection, flame protection, overheating protection, high and low water flow protection, and some are even designed with child-lock technology. With all this in consideration, you can choose a durable and long-lasting water heater.


1. Why is Gas water heater better than an electric water heater?

The gas water heater has a two times faster flow rate than an electric water heater. As a result, long-lasting hot water can be enjoyed in the gas water heater.

In prominent families with five or more people, the gas water heater is a suitable product. It has the capability to produce more hot water, unlike any other water heater. The gas water heater is the best option for meeting the demand.

2. Can this gas water heater deliver hot water in high altitudes?

Yes, many gas water heaters like Takagi T-H3-DV-N can deliver hot water at an altitude of 10,100 feet; Rheem RTGH-95DVLN water heater at 9,840 feet and Eccotemp i12-NG tankless water heater at 5,500 feet.

It gives consistent hot water without any interruption. If you live in a high elevation space, then the water heaters are appropriate for you.

3. Does the gas water heater work during an electricity shortage?

Yes, the gas water heater works excellent during an electricity shortage. The electrical water heater provides hot water from cold water using electricity, whereas the gas water heater uses natural gas to provide hot water. As a result, the gas water heater is more efficient when it comes to electricity shortage.

Last Words!

This article described some of the best gas water heater price with its pros and cons. We hope that we have enabled to present you with sufficient information about what you have desired product. Choose wisely by considering the advantages and disadvantages of the above list gas water heater.

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