Best Gas Tankless Water Heaters – Review and Buying Guide 2022

EZ Ultra HE

Best Natural Gas Whole Home Heater

You can expect to receive up to 3.4 gallons of hot water per minute with this EZ Ultra HE Natural Gas Indoor Condensing Tankless Water Heater. It takes less space to place this unit. In fact, this unit can serve two outlets at once, supplying your small apartment with hot water continuously without delays.

You can control temperatures as well as water flow with its LCD control panel. You can choose the right temperature setting for your needs with this temperature display panel. Also, a direct dual chamber exhaust features on the EZ Ultra HE natural gas tankless water heater.

This device is fully automatic; thus it fires up and switches off according to the water flow rate in the water. As well, it uses a small hole in the wall. This heating system only connects to the water flow at 45F. The EZ water heater will take care of the rest and ensure the right temperature is reached by simply selecting your preferred temperature on the LCD.

You will be able to reduce the cost of your energy bills tremendously with this unit with its 88 percent energy efficiency. The transportable nature of the device makes it easy to move from one place to another. There is a better fit within the enclosure and, it is more straightforward to install.

Rinnai V65iN

Best Indoor Tankless Hot Water Heater

Installing the Rinnai tankless water V65IN anywhere you like within your home is not only easy but also convenient. There are plenty of propane on-demand water heaters out there to choose from, but this one packs a punch, so don’t be fooled by its size.

Besides heating your water, it will shut off the water automatically if it detects a problem using its built-in leak detection technology. This will save you from both a cosmetic and a water and energy nightmare.

This appliance also protects your dishes, showers, and washing machines from sudden temperature changes. It is a high-efficiency gas water heater based on given features.

The V65iN is 6.6 GPM in size and offers enough hot water for a standard-sized household. However, it is important to remember that this water heater’s initial investment can be considerable due to its high energy efficiency rating.

I guarantee that you won’t be disappointed if you’re willing to spend the money on this.

There are more astounding units available at Rinnai, such as Rinnai V75i and Rinnai RU80iN.

Eccotemp i12-NG

Best Overall Gas Tankless Water Heater

Ecotemp i12-NG has a revolutionary design that puts it in a class of its own unmatched by other Tankless Water Heaters on the market today.

It has sleek, black tempered glass front paneling and full temperature control for precise settings. Ideal for mountain retreats, cottages, smaller homes, black tempered and glass front paneling, fully automatic temperature controls for precision, and an LED temperature display screen with a touch screen that displays output temperature and flows GPM, this system is sure to fit your needs.

Also included is child locking technology for the Eccotemp i12-NG. In this in-home model like the Eccotemp i12-NG, the Natural Gas-powered unit is robust and suitable for multiple hot water applications at once.

During flow rates of 3 GPM, this model provides an internal temperature rise of 35 to 40 degrees Fahrenheit and a temperature rise of 77 degrees Fahrenheit at 1.5 GPM. It is an on-demand gas water heater due to these features concluded in our list.

With this system, you can enjoy a hot shower without the worry of wasting water or energy. This tankless gas-powered heater is rated at 3 GPM and does not require one to constantly stay on for use.

This means that there are no worries about using up all your resources while also keeping an eye out for safety concerns like leaking flammable liquids near potential ignition sources such as pilot lights in other appliances nearby.

GASLAND BE158 1.58GPM

Best Portable Gas Tankless Heater

The Gasland outdoor tankless water heater offers even stronger safety, with its overheating control, anti-freezing, and flame failure features. It has highly advanced features, is lightweight, and leads the way when it comes to outdoor water heating.

Hot water can be obtained anywhere at any time with ease since it can easily be moved from one point to another. Based on the advanced features, it’s included at top of the list of best gas tankless water heaters.

Since it is simple in design, it is easy to install. Hot water flow is designed to be up and running constantly with the Gasland BE158 heater.

You can customize the unit’s installation to meet your requirements, allowing for complete control of water temperatures and flow rates. So, The compact and lightweight design of the tankless water heater means that you can take it with you on your next camping or beach trip for a hot shower.

You could also use this to bathe pets outside in an instant, which is great when bathing them outdoors. Plus installation takes only minutes.

With its digital energy-saving function, this outdoor tankless gas hot water heater also includes many savings on energy bills. Designed to consume less Gas and produce less noise, the propane heater exchanger and burner work together to reduce air loss.

Although not ideal for most small and medium home hot water applications, it can produce 1.58 gallons of hot water per minute.

The tankless water heater is the most advanced heating system on the market. Its compact, lightweight design also saves you up to 11% of your energy bill. This special technology makes our unit more efficient than ever before with a propane-based burner and an exchanger that is designed for maximum performance.

Eccotemp fvi12-NG

High Capacity Gas Tankless Water Heater

The Eccotemp fvi12-NG FVI-12 is one of the cheapest, One of the best brands of heaters out there, at half the price of our other recommended heaters. Taking advantage of the low price of the fvi12-NG FVI-12 will help save you a great deal of money since you don’t need much more than the 3.5 GPM.

You can set the temperature for different times of the day to suit your needs with the digital temperature display. You’ll also love the quietness, which makes living at home enjoyable. This digital temperature display is so easy to read that it won’t take up too much space and you can use the noise-free machine without waking your neighbors.

The water temperature of this machine is easy to control with manual controls. The unit uses standard 1/2″ NPT fittings, which allows for an easier installation process and a faster restoration time in case of any emergencies or repairs being needed on site.

The new device has a user-friendly design that makes controlling the flow rate quick and simple while also using GFCI protection so it can be safely used around people who are sensitive to electricity like children or those with medical conditions such as epilepsy without risk of shock from accidental contact.

The indoor air quality of this gas tankless water heater is an often-overlooked factor when it comes to the environment, but this can be remedied by installing a whole-house ventilation system.

Noritz NRC66DVNG

Best Whole House Gas Tankless Water Heater

With the Noritz NRC66 high-efficiency hot water heater, you will never have to run out of hot water. This tankless heater holds heat up to 6.5 gallons, allowing for hot water to be provided to 2 bathrooms in homes in the south, while 1.5 bathrooms are all that you are allowed in the north. With this energy-saving condensing technology, your energy bill won’t go up no matter where you live.

The best part is that it is a silent tankless water heater. Gas heaters can create a lot of interference with your indoor water heaters, but this one can be installed anywhere. Additionally, it offers a long-term warranty on the heat exchanger, which are also the biggest selling points. These features are what make it the best tankless gas water heater.

There is no need to worry about your home’s plumbing system, as this heater has a solution for you. Schedule 40 PVC pipes and fittings can be used with ease in order to vent the air out of an appliance or machine that has been experiencing problems.

A remote thermostat and 6′ power cord are included with this tankless water heater. The remote control allows you to turn the unit on or off from anywhere in your home, conserving energy and money while increasing comfort levels for family members.

Eccotemp L5 1.5 GPM

Best Gas Portable Outdoor Tankless Heater

The Eccotemp L5 is our favorite model for portable tankless water heaters. It uses liquid propane for fuel, which is highly efficient and perfect for consumers on the go. You can also use it when camping, with hot water dispensers installed by various sites, or even if you want to use it to provide hot water at your cabin or at the pool.

You should only use this unit for one utility in a single storage reservoir. Its maximum flow rate is 1.5 GPM, which is good to run offers a fast water supply.

Temperature range from 80 °F to 150 °F. There are two dials on the front panel that you need to make adjustments to in order to get the perfect balance between pressure and temperature.

Compact size, small dimension, and lightweight are all associated with lightweights. With its dimensions of 17.5′′ * 11.5′′ * 5.5′′, the L5 is extremely portable and averages 13.8 lbs, making it easy to take wherever you go. Besides having a handle and hook to hang on, it is also super easy to carry.

The hot water is provided a sufficient amount of power and temperature, making this a great entry from Eccotemp. This is the number 1 pick if portability is your primary concern when it comes to a tankless water heater, and many users have overwhelmingly positive responses.

Camplux 12L 3.18 GPM

Best Indoor Tankless Natural Gas Water Heater

The Camplux 3.18 GPM tankless water heater is the only tankless water heater in the market for its revolutionary design that offers an unparalleled warranty.

It is a sleek black tempered glass panel and is highly precise, equipped with fully automatic temperature controls, and has a touch screen that displays the GPM flow and output temperature.

Camplux water heater features child locking technology and advanced multiple protection systems to ensure your safety in the home, apartment, and small apartments. It is perfect for whole-house use and apartments and small homes where more than one hot water application requires constant consumption.

Whether you’re using the whole house or apartment, the Camplux CA318 is the ideal product of choice, with 3.18 GPM that activates only when needed. Stainless steel exhaust fan and digital display come with a horizontal stainless steel vent pipe well-fitted for installation and power cord.

The ideal operating range for the Camplux CA318 is 3.6-145.0 PSI, which works smoothly and effectively. The operating propane-gas pressure is 0.4PSI with a maximum power output of 82,000BTU/hour. In its use, the device consumes only 42 watts and 0.35 amps on average, making it an ideal appliance for savings in energy. An anti-freezing device, as well as increased safety shutoff protection, and flame failure devices.

Stiebel Eltron 239223

Best On-Demand Hot Water

Stiebel Eltron Tempra 29 Plus– A small increase in water flow will maintain the temperature from the heat pump. Advanced Flow Control eliminates sudden shocks of cold water when using the sink or showering. Other manufacturers’ models may run cold in these situations.

Other features available on Tempra Plus models include the memory of preset temperatures. You can also see how much money you’re wasting by monitoring the heat and air conditioner. It is an inline water heater.

This heater is only compatible with hard-wired 240 or 208-volt electric service, and the maximum power consumption at such voltage levels can be up to 28.8 kilowatts for a standard 240 volts input or 21.6 kW on a simple 208volt setup which means that you’ll need an extremely large circuit breaker in order to accommodate it as well. Hence, this product requires 220/240v use with no less than 280 amps of demand

29 Plus is an attractive option for a home that is average in size. The Tempra line’s largest and biggest water heater offers 5.6 GPM when the temperature rises to 35 degrees. It’s enough for an average shower plus a sink. Moreover, it is sufficient to install at least two low-flow showers in all bathrooms, even when water temperatures are very low.