Updated on November 19th, 2022 at 07:40 pm
Have you had times where the spray goes cold while you’re in the shower? Then it’s time to upgrade to a gas tankless water heater. It operates on a principle of demand, which enables it to supply hot water whenever it’s required.
The water heaters reduce footprint, has high energy efficiency and an endless supply of hot water. There are quite a good number of tankless water heaters that you can opt for. To make your work easier, the following consists of a selection of units that you can purchase, to save you money and supply a continuous flow of hot water to your family.
- Best gas tankless water heaters
- Rinnai V75iN 7.5GPM Indoor Tankless Natural Gas Water Heater
- Rheem RTGH-95DVLN 9.5 GPM IndoorTankless Natural Gas Water Heater
- Takagi T-KJr2-IN-NG Indoor Tankless Water Heater, Natural Gas 6.5GPM
- Eccotemp L5 Portable Tankless Water Heater Shower
- Rinnai RUR98IN Ultra Series Natural Gas Tankless Water Heater
- Noritz NRC98-DV-NG Direct 9.8 GPM Indoor Condensing Vent
- Eccotemp FVI-12-NG High capacity Gas Tankless Water Heater
- Rheem RTG-64DVLN Tankless Natural Gas Water Heater
- Takagi T-K4-OS-NG Tankless Water Heater
- Rheem RTG-84XLN Natural Gas Tankless Water Heater
- Final thoughts
Best gas tankless water heaters
Rinnai V75iN 7.5GPM Indoor Tankless Natural Gas Water Heater
For an average household, the Rinnai’s V75-IN is the best choice as it’s a top midrange recommendation. With this water heater, you can be able to run two or three appliances at a go. This is provided that the appliances are low flowing plumbing fixtures and are efficient.
The heater has 7.5GPM making it ideal in any climate. The result of the heater depends on the efficiency of your appliances and the temperature of your inlet. The Rinnai is also more environmentally friendly when compared with other midrange gas units.
It has a neat and compact appearance; you can, therefore, leave it exposed especially next to a white appliance such as a washing machine. You are in a position of choosing your settings from 98 to 140 degrees Fahrenheit. It comes with a temperature lock, which prevents accidental changes in temperature limit and settings.
Another reason to go for Rinnai is its smart safety system built in. It’s designed to keep things sound for years. It’s scale detection preventing damages to the unit, automatically turning off in case there’s a need for descaling.
Rheem RTGH-95DVLN 9.5 GPM IndoorTankless Natural Gas Water Heater
Rheem is one of the best tankless water heaters as you can take two showers, run the dishwasher machine, do the laundry and hands wash a pan all at the same time. The heater has a massive output capacity and utilizes energy sparingly. It’s the most energy efficient gas unit in the market as it is a condensing unit.
Do you have a significant demand for hot water? Then this is an excellent investment for you. It has an easy installation process, works quietly and quickly being able to compete with a tank model. It’s ideal for large households or average household that have a high demand for hot water.
Its 9.5 GPM flow rate allows Rheem to heat three showers with a full flow at the same time. The heater is not affected by climate, for instance even in the coldest climates; there is no drop in temperature or pressure; therefore, won’t need to compromise on its functionality.
It comes with a built-in electric blower that helps venting; you can also utilize cheap venting materials at the installation phase. The unit can still work to 9840 feet above sea level and has freeze protection of up to -30 degrees Fahrenheit.
Takagi T-KJr2-IN-NG Indoor Tankless Water Heater, Natural Gas 6.5GPM
Takagi is quite affordable and a popular water heater unit. It’s ideal for small and medium-size households that have a reasonably low demand for hot water. The unit can provide 2 to 3 fixtures with hot water at the same time during a warm climate.
It can also provide ample hot water to smaller homes and apartments during the cold weather. The unit has a lot of reviews in the market at the moment. It’s user-friendly as it has a digital remote for precise control.
It’s an extremely compact unit even for a tankless water heater with impressive thinness; it’s less than 7inches from the wall. In case you have low flow fixtures, you can be able to run two showers even in a cold climate. Are you on a tight budget and can be able to use 6 GPM or less? Then the Takagi unit is what you need.
Eccotemp L5 Portable Tankless Water Heater Shower
The Eccotemp L5 is a portable tankless water heater, which you can count on to meet your hot water needs even when away from home. You can be able to access instant hot water supply anywhere you go. The unit is ideal for campsites, around the house and cabins and it comes with an improved 6 feet shower hose made of stainless steel.
With the Eccotemp, you can be able to clean your dog or horse, wash your boat or car and take a pleasant hot shower. The unit utilizes liquid propane gas and integrates an efficient battery igniter.
Rinnai RUR98IN Ultra Series Natural Gas Tankless Water Heater
Are you looking for a high-end tankless water heater? The Rinnai RUR98IN Ultra Series got you covered. If you need an indoor tankless water heater that provides a high GPM rate, then look no further. This unit is capable of delivering an unlimited supply of hot water at 9.8GPM.
The Rinnai RUR98IN is ideal for big houses and multiple flat structures. It can supply a continuous flow of hot water in three bathrooms and two taps at the same time. In colder areas, its capability can reduce; however, the supply of hot water to three bathrooms is certain.
The unit comes with a recirculation capability which provides an endless supply of hot water, whether there’s a dedicated recirculation line or not. You will require venting the unit, concentric PVC type of venting gives you a better choice. The unit features a dual exchanger which increases the efficiency of the water heater.
Noritz NRC98-DV-NG Direct 9.8 GPM Indoor Condensing Vent
The Noritz NRC98-DV-NG is an extremely energy efficient and robust water heater, which has a condensing function. Therefore the NRC98-DV-NG is what you need if you require a powerful and efficient heater. The unit has 9.8GPM flow rate, which makes it ideal for households that have multiple bathrooms.
The unit does not skip in its efficiency as it has two heat exchangers. The first heat exchanger pre-heats water; hence, the secondary and primary won’t need to do all the work. The design may not look as efficient; however, due to the condensing function, it is.
The secondary source of heating is the flue gas from the first heat exchanger, which increases the efficiency of the unit. Its temperature dial has three settings. You may also opt for a separate purchasable remote that has nine temperatures settings, which has increments of 5 degrees Fahrenheit.
Eccotemp FVI-12-NG High capacity Gas Tankless Water Heater
The Eccotemp is a tankless water heater that suits small to medium size households. It has a maximum flow rate of 4.8GPM, which allows you to run a hot shower simultaneously and a kitchen faucet. The unit comes with a ventilation kit, which is essential in removing fumes build up from the heating process.
It has the controls that are relatively straightforward; it also has a knob for gas and temperature, which allows corrections in temperature and flow output. The unit has an easy installation process and a digital display for the temperatures. The Eccotemp has horizontal ventilation kit which attaches at the back of the unit; hence, wall installation is the best option when setting it up.
Rheem RTG-64DVLN Tankless Natural Gas Water Heater
Rheem RTG-64DVLN Tankless Water Heater is ideal for small homes that have one or two showers. The heater has a patented UMC-117 remote control, allowing you to control temperatures from a distance of up to 10 feet. This means you don’t need to leave the kitchen to control water temperatures from the faucet.
The unit has a heating system capable of supplying super-hot water in a matter of seconds. Its flow rate is 6.8GPM when the temperature of the incoming water is 350 F. If the temperatures rise to 450F, then the flow rate drops to 5.3GPM.
The Rheem RTG-64DVLN does not require an adapter for ventilation; it utilizes a 3inch per 5inch concentric vent. Its venting system comes with an integrated condensate collector, making it easier to maintain the water heater.
Takagi T-K4-OS-NG Tankless Water Heater
The Takagi T-K4-OS-NG is among the highly rated natural gas tankless water heater. It can meet the demand on hot water and used in hydroponic systems, storage tanks, domestic applications, radiant floor, and recirculation systems. The Takagi is one of the best purchases that you can make; it has a 15-year limited warranty on the heat exchanger and five years warranty for residential utilization.
With its free remote control, life cannot be more comfortable! You won’t be requiring any venting fixtures as the unit is an outdoor unit. The unit is capable of providing 8GPM, which is a flow rate enough to supply hot water to 3 bathrooms at once. Monitor the temperatures consistently is possible with the inlet and outlet thermistors of the unit.
The heater has an excellent feature that you will love; it only burns gas when hot water is required. This results in approximately 45% savings on your gas bill in a month. Its safety features overheat protection, freeze protection, surge protection, and troubleshooting diagnostic codes.
Rheem RTG-84XLN Natural Gas Tankless Water Heater
Are you looking for a high volume tankless water heater? Then this outdoor unit from RHEEM is what you need. At a temperature of 35 degrees, you can be able to access 8.5GPM of hot water. This is enough to supply three bathrooms with an unlimited supply of hot water at the same time.
This unit is among the highest volume of a tankless water heater in the market. Therefore, if you have a big family, this unit can provide you with hot water round the clock. This is great! Right? The Rheem tankless water heater comes with a free UMC-117 remote control, which allows you to control temperature levels remotely.
Along thermostat wire that is 10 feet comes with the purchase. The unit comes with a LOW NOx variant that is environmentally friendly. It has a space saving design allowing you to wall mount it with ease, in the garage or any outdoor place.
Not to forget its New Next Generation Burner technology, as it saves you money and efficiently heating water. It comes with 12 years warranty and a BTU rating of 11,000 to 180,000 at maximum.
With the information above, you now know the different types of gas tankless water heaters that you can go for. The above article composes of, gas tankless water heaters that will not only save you money but will also provide, an endless supply of hot water for your whole family. To enjoy all the benefits that gas tankless water heater offers, ensure that you go for a unit that fits your household’s needs.
Going for the right unit is essential, especially considering that gas-powered units have a better performance in cold weather, are more reliable over a long period and have a lower fuel cost with time.