tankless gas water heaters

We’ve got the perfect tankless gas water heaters for you! In this post, we will list our favorite items with a price under $500. All of them are from top brands and updated regularly to keep up-to-date on what’s new in technology as well as give consumers accurate information about prices across different markets around the world wide web.

We hope that this list of the top 15 tankless gas water heaters will help you to find your perfect model. Let us start with a quick review, before diving into our full report!

If you’re looking to get the best list of the tankless gas water heaters in the market but aren’t interested in spending a lot of time doing so, then this may be the most convenient review for you. It comes with all the features and specifications that are necessary when it comes down to buying and owning a good set of quality products.

This particular product has an average rating of 4.2 stars after more than tankless gas water heaters which says a lot about its quality, given all of its benefits.

Top 15 List of tankless gas water heaters is given below

When it comes to deciding what size tankless gas water heaters is right for you, there are a lot of factors that go into this decision. But our help and advice on the best sites out there will make finding your perfect fit much easier! So first off let’s take look at Amazon’s review section where we read through all customer reviews so as well determine which products consumers seem most happy using…

We have canvassed industry experts to learn about the tankless gas water heaters. Their advice has helped us select these exceptional two-way concert sound hire companies for your next corporate event so that you can attract more fans and make an impact at each show!

Bestseller No. 1
Rheem RTG-84XLN-1 Performance Mid-Efficiency Tankless 84 Outdoor Water Heater, Gray
  • 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
Bestseller No. 2
Rinnai V53DeN Tankless Hot Water Heater, 5.3 GPM, Natural Gas, Outdoor Installation
  • 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 up to 5.3 GPM hot water flow rate for a powerful, constant stream
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
SaleBestseller No. 3
MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White
  • CSA Certified
  • LED Touch Screen Computerized Safety
  • Flow activation
  • Oxygen free copper heat exchanger
  • Stainless Steel Venting Exhaust
Bestseller No. 4
Rinnai RL94eN Natural Gas Tankless Hot Water Heater, 9.8 GPM
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance 9.8 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
Bestseller No. 5
Tankless Water Heater Natural Gas, Camplux High Efficiency Natural Gas Tankless Water Heater with Fahrenheit Digital Display, 3.18 GPM On Demand Water Heater for 2-3 Persons Bathroom Indoor Use,White
  • 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 white glassy front panel,easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size on demand water heater saves more space than traditional tanks.
  • Outstanding Features- The Camplux tankless gas 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.
Bestseller No. 6
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
  • 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
Bestseller No. 7
Rinnai RU199iN Water Heaters, 11 GPM, Indoor Installation
  • 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 11 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.
Bestseller No. 8
Rinnai V65EN Tankless Hot Water Heater, 6.5 GPM, Natural Gas, Outdoor Installation
  • 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 up to 6.5 GPM hot water flow rate for a powerful, constant stream
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
Bestseller No. 9
RecPro RV Tankless Water Heater | On Demand Hot Water Heater | Gas Water Heater | Remote Control Included (Black)
  • No more waiting for the water tank to warm up or running out of warm water halfway through your shower. With this amazing machine, you can have a steady stream of hot water flowing to your faucets or shower without waiting for the tank to warm up.
  • There is a forced exhaust structure that keeps the air safe and clean while and after entering the combustion chamber. There is also a dust net to make sure no dirt gets into the tankless water heater.
  • There is a low water pressure startup, which helps to protect the heater and make it easier to use.
Bestseller No. 10
Furrion 2.4GPM Tankless RV Gas Water Heater with White 16.14” x 16.14” Door - FWH09A-1-A
  • High Heating Power: 60K BTU heating power & a 2.4GPM capacity, Furrion RV Gas Water Heater will deliver hot water on demand at consistent temperature even when the ambient temperature drops to 32ºF.
  • Steady Temperatures: Furrion’s Vortex technology consistently mixes water to your desired temperature. Dual-sensors automatically shut power off if the temperature exceeds a safe limit.
  • Replacement Door for Suburban: Specially designed for retrofit applications and use as a replacement door for Suburban 4/6 Gallon Water Heater models. This door fits the required dimension of 16.14 x 16.14 Inches.
  • Built for the Road: Engineered for durability and performance on the road, with Furrion VibrationSmart technology and components designed to withstand intense vibration encountered by uneven terrain.
  • Warranty & Dimensions: Designed with the highest quality materials, the Furrion RV Gas Water Heater is covered by Furrion's 2-year Warranty. Product Dimensions (W x H x D): 12.81 x 12.62 x 20.75 Inches
Bestseller No. 11
Natural Gas Tankless Water Heater, Fogatti Indoor 7.5 GPM, 170000 BTU Black Instant Hot Water Heater
  • 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.
  • The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
  • 170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
  • Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
  • Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.
Bestseller No. 12
Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions
Bestseller No. 13
Rinnai RUR199iN Natural Gas Condensing Tankless Hot Water Heater, 11 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: Up to 11 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: ThermaCirc360 technology provides faster hot water with a built-in recirculation pump, timer and thermal bypass valve - ideal for homes without a dedicated return line
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
Bestseller No. 14
Tankless Hot Water Heater Natural Gas, Camplux On Demand Instant Hot Water Heater 5.28 GPM, Indoor, Gray
  • Endless Hot Water. No need to wait 30 minutes for preheating and limited use of hot water like with a tank water heater. Enjoy unlimited hot water flow throughout the house.The instant hot water heater is suitable for 2-3 outlets for the whole family.
  • Energy & Space Efficient. This tankless water heater has a space-saving design conserves energy as it heats only when necessary. With a UEF of over 0.82, the high energy conversion rate can effectively reduce energy loss, saving the family energy and money.
  • Optimal Water Pressure. With 5.28 GPM and 150,000 BTU heating capacity through propane gas intake. High-performance up to 5.28 GPM hot water flow rate for a powerful, constant stream.
  • Installation Tips. The water heater does not include vent pipe ( try Camplux model CP-70 ), hot and cold isolation valves, pressure relief valve and venting, please purchase separately, professional installation recommended.
  • Multiple Safety Protection. CSA certified in the United states and Canada. The gas hot water heater features 6-in-1 multiple safety protections, you don’t need to drain the water during frozen winters.
Bestseller No. 15
Natural Gas Tankless Hot Water Heater, Camplux 5.28 GPM On Demand Natural Gas Water Heater Outdoor, Gray
  • 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.

If you’re looking for top-quality tankless gas water heaters to help you with your product, we have the perfect solution for you. We update our list of products regularly so that it features only what matters most and is tailored towards meeting your individual requirements.

We’ve compiled a list of the top 15 tankless gas water heaters after doing extensive research providing real facts and details about each product. We also consider how they represent value for money in our reviews so that you can get your hands on an amazing deal! If there is anything else we could help with or learn more about feel free to contact us right away – no question too big nor small.”

There are many types of tankless gas water heaters chosen from, so it can be difficult to know which one is right for you. However, we’ve put together a list with our top 15 recommendations! If there’s something specific in mind or just want help deciding between styles then read on below:  


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Bilal Khan
By Bilal Khan

In addition to his passion for technology, Bilal Khan is also interested in travel, computer hardware, and software.Khan spends his time reviewing the latest pieces of hardware on the market and keeping up with the latest news in technology.Drop him a line if you have any questions!



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