Top Choice: Best Rated Gas Tankless Water Heaters!

Cheap heaters disappoint—but Premium Picks deliver unmatched performance.

When it comes to hot water solutions, choosing the right natural gas tankless water heater is vital. The ORBEK 100,000 BTU excels in efficiency, while the Rinnai RX199iN stands out for its impressive flow rate of up to 11.1 GPM.

For versatility, the Rinnai model’s ability to function both indoors and outdoors makes it a top choice for various settings.

Below, we analyze budget, lifespan, and real-user feedback.

best rated gas tankless hot water heatersbest rated gas tankless hot water heatersbest rated gas tankless hot water heaters

best rated gas tankless hot water heaters

ORBEK Natural Gas Tankless Water Heater

#1 CHOICE

Natural Gas Tankless Water Heater - ORBEK 100,000 BTU Up to 4.3 GPM Indoor Installation - CSA Certified On-Demand Instant Hot Water Heater 3/4" NPT Connector Size

If you’re tired of running out of hot water mid-shower, the Natural Gas Tankless Water Heater – ORBEK 100,000 BTU is here to save the day (and your sanity). This powerhouse offers up to 4.3 GPM, making it ideal for simultaneously serving 2-3 fixtures in your home. Say goodbye to those awkward moments of cold water surprises!

Pros

The Orbek tankless water heater is not just efficient; it’s also a safety champion. With CSA certification and a suite of advanced safety features—like dry combustion protection and flame failure protection—this unit has your back. Its energy-efficient design, crafted from high-quality oxygen-free copper, ensures superior heat transfer while saving you money on energy bills. Plus, the compact design means it can fit into tight spots, freeing up valuable space in your home. The built-in chip adjusts heating power 20,000 times per second, ensuring a stable temperature within 1°F, making your showers consistently enjoyable. And let’s not forget the LED digital display, which makes temperature adjustments a breeze.

Cons

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Rinnai RX199iN Tankless Water Heater

#2 CHOICE

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

The Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater is a game-changer for anyone tired of lukewarm showers and endless waits for hot water. This compact powerhouse, about the size of a small suitcase, delivers a staggering 11.1 gallons per minute, ensuring you’ll never run out of hot water, even with multiple fixtures running simultaneously. Whether you choose to install it indoors or outdoors, the Smart Sense gas control system adapts seamlessly to your needs.

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Pros

One of the standout features of the Rinnai RX199iN is its impressive energy efficiency, boasting a UEF of .98. This means you can enjoy endless hot water without breaking the bank on energy costs. The modern design includes an intuitive interface and a Quick Flush feature that makes maintenance a breeze. Plus, with the option for WiFi control (via the Controlr module), you can monitor and manage your water heating from your smartphone. Talk about a smart home upgrade!

Cons

While the Rinnai RX199iN is a stellar product, it does come with a caveat: professional installation is highly recommended. Unless you’re a plumbing wizard, attempting a DIY installation could lead to more headaches than hot water. Additionally, the WiFi control module isn’t included, which may be a minor inconvenience for those looking for a fully connected experience right out of the box.

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Propane Tankless Water Heater 4.74GPM

#3 CHOICE

Propane Tankless Water Heater, 4.74GPM 18L Indoor,Constant propane water heater,Instant Hot Propane Gas water heater with Fahrenheit Digital Display,Multi-Protection

If you’re on the hunt for a reliable and efficient Propane Tankless Water Heater, look no further than this 4.74GPM model. With a maximum temperature rise of 149°F and the ability to deliver up to 4.74 gallons of hot water per minute, this heater is a game changer for your home. Say goodbye to lukewarm showers and hello to instant hot water, all while enjoying the benefits of a compact design that fits seamlessly into any space.

Pros

This propane tankless water heater boasts remarkable efficiency with a high-performance output of 68,000 BTU per hour, allowing it to serve multiple points of use simultaneously. Its advanced combustion technology not only minimizes gas consumption but also keeps operational noise to a whisper, making it perfect for cozy homes and cabins. The stainless steel body and oxygen-free copper water tank ensure durability and resistance to corrosion, so you won’t have to worry about premature wear and tear. Plus, the user-friendly LED smart digital display makes temperature adjustments a breeze, giving you precise control over your hot water needs.

Cons

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FOGATTI Tankless Water Heater 120,000 BTU

#4 CHOICE

FOGATTI Natural Gas Tankless Water Heater Indoor - Up to 5.1 GPM 120,000 BTU Instant Hot CSA Certified Compact Design Tankless Water Heater for 2-4 Outlet Points - Instagas Comfort 120S Series

The FOGATTI Natural Gas Tankless Water Heater is a game-changer for those seeking endless hot water without the bulk of traditional heaters. With an impressive 120,000 BTU output and a flow rate of up to 5.1 GPM, this compact unit can efficiently support 2-4 outlets simultaneously, making it ideal for medium-sized families. Say goodbye to lukewarm showers!

Pros

The FOGATTI tankless water heater impresses with its eco-efficient design that not only saves space but also reduces energy bills. Its advanced water servo technology and temperature sensors maintain a consistent temperature within ±1℉, providing reliable comfort regardless of the season. Installation is a breeze thanks to its compact dimensions of 23.9 x 15.5 x 7.3 inches, and it operates smoothly even under low water pressure. Plus, with a robust copper heat exchanger and 304 stainless steel burner, you can count on its durability and performance for years to come.

Cons

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Rinnai V53DeP Outdoor Propane Water Heater

#5 CHOICE

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation

The Rinnai V53DeP Propane Tankless Water Heater is a game-changer for anyone tired of running out of hot water mid-shower. With an impressive 5.3 GPM flow rate, this unit delivers endless hot water, making it perfect for busy households with multiple appliances needing hot water simultaneously. Say goodbye to the days of scheduling your showers around hot water availability!

Pros

This tankless water heater shines with its energy-efficient performance, heating water on demand and conserving energy like a pro. No more heating a tank full of water you might not use! Plus, its compact design allows for installation in tight spaces, making it a fantastic fit for any home. The Rinnai V53DeP also boasts enhanced scale detection features, which help prolong its lifespan while ensuring consistent hot water flow. And let’s not forget the peace of mind that comes with a robust warranty—10 years on the heat exchanger, 5 years on labor, and 1 year on parts. Talk about a commitment to quality!

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Cons

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Faq about best rated gas tankless hot water heaters:

1: What is a gas tankless hot water heater?

A gas tankless hot water heater heats water on demand without storing it, providing a continuous supply of hot water.

2: What are the benefits of using a gas tankless hot water heater?

Benefits include energy efficiency, reduced space requirements, and a longer lifespan compared to traditional water heaters.

3: How do I choose the best rated gas tankless hot water heater?

Consider factors like flow rate, energy efficiency ratings, installation requirements, and user reviews to find the best model for your needs.

4: Are gas tankless water heaters more expensive to install?

Yes, they typically have a higher upfront installation cost, but lower operating costs can lead to savings over time.

5: How long do gas tankless hot water heaters last?

With proper maintenance, they can last 15 to 20 years, significantly longer than traditional tank heaters.

6: Can I install a gas tankless hot water heater myself?

It is recommended to hire a professional for installation due to the complexity and safety requirements involved.

7: What maintenance do gas tankless water heaters require?

Regular descaling, checking for gas leaks, and ensuring proper ventilation are essential for optimal performance.

Conclusion

Both the ORBEK Natural Gas Tankless Water Heater and the Rinnai RX199iN exemplify excellence in modern heating technology. The ORBEK model stands out with its impressive efficiency and compact design, catering to those seeking space-saving solutions without compromising performance.

On the other hand, the Rinnai RX199iN offers unparalleled reliability and superior flow rates, making it ideal for larger households. Together, these products epitomize the pinnacle of gas tankless water heater innovation, ensuring optimal comfort and energy savings for discerning consumers.

Joye
Joye

I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.