Best Tankless Gas Water Heaters

Best Tankless Gas Water Heaters Reviews & Buyer’s Guide


In this review, we have reviewed the best Tankless Gas Water Heaters available today. We have also included a comprehensive guide that helps you pick the most appropriate model. Additionally, going through the top 10 best Tankless Gas Water Heaters reviews will help you narrow down your choice of the most appropriate choice.

We spent 42 hours to find a best products for you. listed best Tankless Gas Water Heaters comes with amazing features you’ve never heard before. It is the Best Tankless Gas Water Heaters available in the market today.

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To help you in your search, we have completed this list of the Best Tankless Gas Water Heaters.

Top 10 Best Tankless Gas Water Heaters Review


Why we recommend these best Tankless Gas Water Heaters?

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Best 10 Tankless Gas Water Heaters Buying Guide


Bestseller No. 1
Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Endless hot water for your entire home
Bestseller No. 2
Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater,Grey
  • Smart& Energy Saving-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!
  • 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.
  • 【Enjoy & Comfortable Constant Hot Water】This residential model is powered by 120 VAC voltage, features imported PCB with precise temperature control, never blow hot and cold in turn, on-demand hot water, double adjustment of water and air, and rising of the third gear making it perfect for a hot shower at home!Camplux CA528 can produce a quick endless hot shower for years to come! Please take the Camplux customized vent pipe CP-70 together for better performance.
  • Advanced Safety Features-CSA certified balanced combustion design required air combustion from the outdoor and the combustion city produced by the smoke forced out of the outdoor to ensure fresh indoor air, safe and reliable use. Features CO multiple protection ensures safety, 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. Automatically activates on water pressure between 7.0-150 PSI.
  • 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.
SaleBestseller No. 3
Rheem RTG-84XLN-1 Tankless Water Heater, Grey
  • Fuel Type: Natural Gas
  • 157, 000 BTU (gas consumed per hour)
  • For use outdoors with freeze protection up to -30 degrees
  • Recirculation pump ready kit ready
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
Bestseller No. 4
Eccotemp fvi12-NG FVI-12 Natural Gas, 3.5 GPM, High Capacity Tankless Water Heater, White
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
  • 1.07 A
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.
Bestseller No. 5
Camplux Tankless Water Heater Natural Gas,3.18 GPM High Efficiency Instant Hot Water Heater with Celsius Digital Display,Residential Natural Gas Water Heater for 2-3 Persons Bathroom Indoor Use,White
  • Sleek,Modern,Compact Design -Trendy and modern design with unique black glassy front panel featuring an easy to use LED touchscreen controls with Celsius Digital & Display.The compact size - (L)14.4 x (W)4.7 x (H)25.4 inch tankless water heater saves more space than traditional tanks.
  • Convenient, Easy Installation -Uses standard 1/2" NPT water fittings and comes with 2.3 inch horizontal venting pipe allowing for convenient and quick installation,great for whole home,small cabins and remote apartments use. You can take Camplux customized wall thimble-WT236 for perfect indoor use.
  • 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.
  • On-Demand Tankless Water Heater-High water capacity range 0.8 - 4.8 GPM, Camplux high efficiency 3.18 GPM natural gas tankless water heater delivers 3.18 gallons per minute of on-demand endless hot water ensures instant hot water for 2-3 persons home comfortable shower.
  • Multiple 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
Rinnai V65EN RV65eN, Large, White
  • Max Energy Factor 0.82
  • Meets California and Texas NOx Emissions Standards
  • Outdoor Installations
  • Max BTU's 120,000
  • Lightweight and Compact
Bestseller No. 7
Happybuy Tankless Water Heater Propane 18L Propane Water Heater 4.8GPM 36 KW Propane Tankless WaterHeater Stainless Steel on Demand Water Heater Propane Fit for Home Outdoor RV Use
  • 【EFFORTLESS CONTROL】- You can easily adjust the water temperature by rotating the gas & water knobs on the panel. Switch the summer/winter mode to change the fire row amount, and save 40% gas in your bill. The combustion device will reach ≥80.8% thermal efficiency to save 11.5% energy. Start at a 0.015 MPA low water pressure; normal working pressure is 0.02 MPA-0.8 MPA.
  • 【DIVERSIBLE USE SCENARIOS】- CE test passed, fast to heat, this propane hot water heater is perfect for showering, pet washing, outdoor cleaning, camping and trip road, etc. Provide you with constant hot water, especially in winter or cold places. Instant, endless hot water, enjoy a comfortable showering at any time & any location.
  • 【6-IN-1 MULTI PROTECTIONS】- Our propane water heater is upgraded with six protection ways to ensure your security on the shower, such as Over 75℃(167 °F) protection, low water flow protection, anti-frozen protection, over water pressure protection, no flame protection, 20min timer, etc.
  • 【WALL-MOUNT & DETAILS】- This gas water heater is light-weight & portable to be installed on the wall, tree, or outside the RV for space-saving. Well-selected devices are included like copper standard G1/2" hose connectors, filtration mesh, gas emission tube, and copper water tank. Ignite the heater with 2 "D"cell batteries, and no pilot light is needed.
  • 【SUPERB MATERIALS】- Power: 36 KW; Hot Water Output: 18 L/min(4.8 GPM); Gas Supply: LPG(Liquid Petroleum Gas); Water Temperature: 50 °F -140 °F; This tankless water heater propane is crafted with stainless steel case and inner copper devices, making it anti-rust, high-temperature resistant, no water leakage, and durable. Come with a portable shower head kit.
SaleBestseller No. 8
MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White
  • Oxygen free copper heat exchanger
  • Anti-Freeze Protection
  • Stainless Steel Venting Exhaust
  • CSA Certified
  • UL listed
  • Flow activation
  • DOE
  • LED Touch Screen Computerized Safety
Bestseller No. 9
Camplux Pro 1.58 GPM Tankless Propane Water Heater, Outdoor Propane Gas Water Heater with Portable Handle, Portable Gas Water Heater for Camping,Cabins,White
  • CSA Safety Testing Standard Ensure Your Safety-Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. The anti-freezing drain plug discharges the residual water to avoid freezing in cold areas for long-time maintenance. Gas supply automatically shut off when high water temperature protection over 167 °F.
  • Compact,Light Weight Portable Design-11.61 (L)*4.33(W)*17.32(H) inch ,Weight-16 lb. Compact and portable design perfect for barns,cabins,delivers instant hot shower for dogs and horses.
  • 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.
  • Power Efficient & Energey Saving -Maximum power output 41,000btu/hour, you will get instant endless hot water easily wherever you are. Compact and lightweight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.
  • Easy Installation for Instant Hot Water-It only takes you a few minutes to get 1.58 gallons per minute of instant hot water. The camplux portable water heater lights when water pressure between 3.0-110 PSI, low water pressure is perfect for campings and remote cabins.
Bestseller No. 10
Twinkle Star 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief Valve, Clean Brass Construction
  • Widely Use: The tankless kit works with all 3/4 inch size is suitable for most U.S. residential usage, both residential and commercial gas tankless water heater brand such as Noritz, Rinnai, Rheem, Takagi, Navien and so on.
  • Twinkle Star 3/4 Inch Isolation Kit involves hot and cold valves 500WOG with 1/4 red and blue handles for easy identification and use. Integrated drain valve with brass safety cap for easily maintenance. Equipped with full port ball valve for better flow rate.
  • Certification: The components are certified lead free. You will also find CSA certifications on the water flex and the gas flex as a proof of their authenticity. Meets all federal & state standards for lead levels in drinking water system components.
  • Tips: If you encounter any problems in the process of using our products, please contact us, our team will solve any problems when you meet them in time.
  • Superior Integrated Design: This complete kit made from lead free heavy duty brass for years of usage. One-piece forged brass body effectively prevents any leakage or dripping. The main isolation valve set is factory tested to be leak-free so that your heater can be maintained periodically during each flushing sequence.
We hope you find the Best Tankless Gas Water Heaters from the above mentioned list. If you did not find your desired product then check out the Tankless Gas Water Heaters can also be the most sold item on the industry. To conclude, the above mentioned list of items which is most suitable to you.

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