Best Natural Gas Tankless Hot Water Heater

There are many options on the market so finding the right one can sometimes prove difficult. Our platform is dedicated to product testing, and we have come up with this list of the top 10 Best Natural Gas Tankless Hot Water Heater. We hope you will find the right one after doing extensive research.

Top Rated Best Natural Gas Tankless Hot Water Heater in 2022

Rank Product Name Score
Sale1
MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential...
MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential...
8.3/10
2
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water...
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water...
8.9/10
3
Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas,...
Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas,...
9.2/10
4
Rinnai RL75iN Natural Gas Tankless Hot Water Heater, 7.5 GPM
Rinnai RL75iN Natural Gas Tankless Hot Water Heater, 7.5 GPM
9.6/10
5
Gas Tankless Water Heater, Fogatti Indoor Natural Gas 7.0 GPM, 170000 BTU...
Gas Tankless Water Heater, Fogatti Indoor Natural Gas 7.0 GPM, 170000 BTU...
9.7/10
6
Rheem RTG-84XLN-1 Performance Mid-Efficiency Tankless 84 Outdoor Water...
Rheem RTG-84XLN-1 Performance Mid-Efficiency Tankless 84 Outdoor Water...
9.6/10
7
Rinnai RUCS65iN Natural Gas Tankless Hot Water Heater, 6.5 GPM
Rinnai RUCS65iN Natural Gas Tankless Hot Water Heater, 6.5 GPM
9.5/10
8
Rinnai CU199iN Natural Gas Condensing Tankless Hot Water Heater, 11 GPM
Rinnai CU199iN Natural Gas Condensing Tankless Hot Water Heater, 11 GPM
8.3/10
9
Natural Gas Tankless Hot Water Heater, Camplux 5.28 GPM On Demand Natural...
Natural Gas Tankless Hot Water Heater, Camplux 5.28 GPM On Demand Natural...
9.7/10
10
Tankless Water Heater Natural Gas, Camplux Instant Hot Water Heater, 3.18...
Tankless Water Heater Natural Gas, Camplux Instant Hot Water Heater, 3.18...
9.3/10

Sale1 MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential...

  • CSA Certified
  • LED Touch Screen Computerized Safety
  • Flow activation
  • Oxygen free copper heat exchanger
  • Stainless Steel Venting Exhaust
  • Anti-Freeze Protection
  • UL listed
  • DOE

2 Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water...

  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • 199, 900 BTU (gas consumed per hour)
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • Recirculation pump ready kit ready
  • For use indoor only

3 Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas,...

  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: Up to 7 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.

4 Rinnai RL75iN Natural Gas Tankless Hot Water Heater, 7.5 GPM

  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance 7.5 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Circ-Logic technology enables recirculation patterns that coincide with your typical habits; Wi-Fi monitoring creates hot water on demand
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, parts, and labor respectively

5 Gas Tankless Water Heater, Fogatti Indoor Natural Gas 7.0 GPM, 170000 BTU...

  • Tankless Water Heater: No need to wait 30 minutes for preheating and limited use of hot water like with a tank water heater. Tankless for endless hot water.
  • Satisfy Whole Family: With 7.0 GPM and 170,000 BTU heating capacity through natural gas intake, it is suitable for 3-4 outlets for the whole family. with a UEF of over 0.82, the high energy conversion rate can effectively reduce energy loss, saving the family energy and money.
  • Multiple Safety Protection: CSA certified in the United states and Canada. The tankless gas water heater indoor features multi safety protections: Overheat protection, Flame Failure Protection, Low Water Flow Protection, High Water Pressure Protection, Dry combustion Protection and Anti-freeze Protection.
  • Excellent Quality and Design: The compact design effectively saves floor space, which also makes it easier to install.
  • Quality Service: Fogatti offers 2 years of service and you can contact us directly by email if you encounter any problems. We will sincerely solve any problems of our customers.
  • Package include: water heater x 1, user's manual x 1, fittings bag x 1; Note: The package does NOT include hot and cold isolation valves, pressure relief valve and venting, please purchase separately. We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.

6 Rheem RTG-84XLN-1 Performance Mid-Efficiency Tankless 84 Outdoor Water...

  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • Recirculation pump ready kit ready
  • For use outdoors with freeze protection up to -30 degrees
  • Fuel Type: Natural Gas

7 Rinnai RUCS65iN Natural Gas Tankless Hot Water Heater, 6.5 GPM

  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance 6.5 GPM hot water flow rate for a powerful, constant stream
  • Multiple venting options available including PVC/CPVC using the Ubbink Concentric to Twin Pipe adaptor allow for an easy installation
  • Guaranteed to Last: 12-, 5-, and 1-year residential factory warranty for heat exchanger, parts, and labor respectively

8 Rinnai CU199iN Natural Gas Condensing Tankless Hot Water Heater, 11 GPM

  • Energy and Space Efficient: Space-saving design conserves energy as it only heats when necessary; multiple venting options offer installation flexibility
  • Optimal Water Pressure: High-performance 11 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Circ-Logic technology enables recirculation patterns that coincide with your typical habits; Wi-Fi monitoring creates hot water on demand
  • Guaranteed to Last: 8-, 5-, and 1-year commercial warranty for heat exchanger, parts, and labor, respectively

9 Natural Gas Tankless Hot Water Heater, Camplux 5.28 GPM On Demand Natural...

  • On-Demand Tankless Water Heater-Camplux advanced 5.28 GPM high efficiency flow control natural gas tankless water heater delivers 5.28 gallons per minute of on-demand endless hot water to suit medium- and smaller-sized homes. Automatically activates on water pressure between 7.0-150 PSI.
  • Constant & Sustainable Hot Water Solution -CSA certified balanced combustion design ,features with over-high wind pressure safety protection,Ipx4 water resistant protection, over-loaded electric protection,fan failure protection, equipped with PCB start up self-test &real-time intelligent monitoring, timely warning of potential gas fire and hydro power to ensure your family's safety.
  • Affordable & Efficient Savings -PCB frequency conversion intelligent control, temperature intelligent adjustment, environmental protection and durability, truly outstanding energy saving. Man-machine dialogue, heating without waiting. This residential constant model saves time, money and energy while producing safe, endless hot water for whole home at an affordable rate.
  • High Thermal Efficiency & High-Rise Wind Resistance-Phosphorus deoxidized copper heat exchanger with high temperature and corrosion resistance technology for full combustion and high thermal efficiency up to 92% . It can resist grade 8 wind speed and 240Pa high anti-wind pressure. Additionally, a wind pressure sensor is added to perceive the external wind force in real time and automatically adjust the fan, flame and maintain stable combustion.
  • Considerate Customer Service -Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

10 Tankless Water Heater Natural Gas, Camplux Instant Hot Water Heater, 3.18...

  • 3.18 GPM Instant Constant Water Heater -Camplux 3.18 GPM tankless water heater natural gas delivers 3.18 gallons per minute of on-demand endless hot water ensures constant comfortable instant hot water for 2-3 persons whole house. 3.18-GPM heater is activated by water flow rather than water pressure; Minimum activation water capacity rate: 0.65 GPM-4.8 GPM; Maximum input rating: 82,000 BTUs; Water connection location/size: Bottom/0.5-inch NPT.
  • Convenient, Easy Installation -The tankless water heater uses standard 1/2" BSP water fitting and gas inlet. The water heater comes with1/2 " BSP female to 1/2" NPT male gas connector adapter then you want hook this water heater to natural gas pipe directly.It also comes with 2.3" horizontal vent pipe,ensures efficient power ventilation. You can take Camplux customized wall thimble-WT236 for perfect indoor use.
  • Modern Design,Easy Operation -Trendy and modern design with unique black glassy front panel,easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size instant water heater saves more space than traditional tanks.
  • Outstanding Features- The Camplux tankless hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner,high heating efficiency up to 89.98 %; 90°wind isolation design, this tankless natural gas water heater can anti backflow wind in high floors, the S/S 2.36 ” vent pipe exhaust harmful gases quickly.
  • 6-In-1 Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.
  • Note- The standby electric power of is 2W, working electric power is 42W. Natural gas input pressure is 0.25 psi. There is a pressure relief valve at the water inlet of water heater. It is necessary to manually unscrew the pressure relief valve to drain the water inside the machine in time after using the machine to avoid freezing and blew up when the temperature is lower than 32 ° F in winter .

How to Choose the Best Natural Gas Tankless Hot Water Heater

With so many sellers out there, it can be hard to decide who is the best one for you. There may even seem like every single person has different requirements! But don’t worry because we’ve got your back – here are seven things that all shoppers should consider before making any purchase:

1. Price

To avoid paying too much for a good product, it’s important to consider the price. If you can’t afford an expensive item and would rather buy something cheaper or wait until there is a promotion on sale then remember that sometimes quality matters more than cost! One thing shoppers need realize though: not everything comes at an affordable rate no matter how cheap prices seem so always read carefully before buying anything new online-you never know what kind of joke someone might be trying to pull where their products’ real value falls short from its wholesome selling points due solely because some unscrupulous company makes use low grade materials while claiming theirs are high end items made by professionals with years experience etcetera.

2. Brand

When it comes to fashion, there is a lot of debate on what brands are worth investing in. Some people think that major or well-known companies have higher quality products because you know exactly how your purchase will turn out if they sell durable goods from time tested designers with established reputable names like Ralph Lauren and Nike Inc., while others prefer buying unknown brands where anything can happen since no one has tried them before so nothing would be lost even if something goes wrong during delivery etcetera. The best way for me personally was going through both sides until finally landing somewhere between these two extremes: buy a recognizable name.

3. Function

What are you looking for in a best natural gas tankless hot water heater? Will the one that suits your needs perform all of these tasks like a pro and with ease. If it doesn’t, then don’t buy into its claims! Check out product descriptions carefully because sometimes companies modify products to cater different customer demographics or target markets – so make sure when buying anything new from them, even if they say “exactly what I wanted!” All this means is paying attention; always do some research before making purchases.

4. Customer Reviews

One of the best ways to find out if a purchase is right for you in terms of product quality would be by reading through customer testimonials. You should look at both positive and negative reviews so that they can give all benefits as well side-effects when purchasing products online like this one, best natural gas tankless hot water heater – For All Budgets!

5. Pros and Cons

If you’re uncertain if your purchase is worth the cost, consider all of its benefits and drawbacks. Is this product going to provide me with what I want out of it? Or am i simply buying into something because other people think its great too (based on reviews)? You could also look at a description or even customer feedback when brainstorming pros/cons. If we carefully weigh these aspects before making any final decisions regarding our purchases then hopefully everything will turn out perfectly in due course!

6. Service

You should always read the company’s policies when buying items. Make sure they’re reliable, and if something happens down the line- will you still be able to get help?

7. Warranty

In the end, a warranty is important for any major purchase. However it’s especially critical with expensive items because you can’t afford to buy an item again if something goes wrong within one month of owning them. If there isn’t even confidence in quality from manufacturer after selling products then consider their unwillingness as reason not too trust them and jump ship before things get worse!

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