20 Best Tankless Gas Water Heater Consumer Reports [2024]

Are you looking for the best tankless gas water heater consumer reports? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling tankless gas water heater consumer reports.

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1 Twinkle Star 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief... Twinkle Star 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief...
2 EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
3 J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) , White J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) , White
4 EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating... EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
5 Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature,... Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature,...
6 Propane Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater, Instant... Propane Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater,...
7 Superior Pump 91660 Tankless Water Heater Descaler Pump Kit with Non-toxic Descaler Solution, 3.5... Superior Pump 91660 Tankless Water Heater Descaler Pump Kit with Non-toxic Descaler Solution, 3.5...
8 Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
9 EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating... EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating...
10 Hourleey 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief Valve,... Hourleey 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief...
11 Natural Gas Tankless Water Heater, FOGATTI Indoor 6.3 GPM, 145000 BTU White Instant Hot Water... Natural Gas Tankless Water Heater, FOGATTI Indoor 6.3 GPM, 145000 BTU White Instant Hot Water...
12 Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV,... Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV,...
13 Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief... Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief...
14 Rinnai V94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM Rinnai V94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM
15 Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch
16 Rinnai RU130iN Natural Gas Condensing Tankless Hot Water Heater, 7 GPM Rinnai RU130iN Natural Gas Condensing Tankless Hot Water Heater, 7 GPM
17 Xiny Tool 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve,... Xiny Tool 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief...
18 Camplux Pro 1.58 GPM Tankless Propane Water Heater, Outdoor Propane Gas Water Heater with Portable... Camplux Pro 1.58 GPM Tankless Propane Water Heater, Outdoor Propane Gas Water Heater with...
19 Watts Tankless Water Heater Service Valve Kit Watts Tankless Water Heater Service Valve Kit
20 Rinnai RUR199eN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Outdoor Installation Rinnai RUR199eN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Outdoor Installation
Bestseller No. 1
Twinkle Star 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief...
  • 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...
  • Superior Integrated Design: This complete kit made from lead free heavy duty brass for years of usage. One-piece forged brass body effectively...
  • 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...
  • 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...
SaleBestseller No. 2
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating...
  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow...
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use;...
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that...
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and...
Bestseller No. 3
J.C. Whitlam FLOW32 Flow-Aide System Descaler ,32 ounces (1 quart) , White
  • Non-Corrosive, Non-Toxic, Fully Biodegradable, Safe to Handle, Zero VOC
  • Quickly dissolves water scale, lime rust and other water formed deposits, restoring efficiency to most all appliances
  • Certified to NSF/ANSI 60 for use as a cleaner in potable water systems
  • 32oz bottle (1 quart)
SaleBestseller No. 4
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating...
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
Bestseller No. 5
Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature,...
  • Note: Please download and read the installation manual and product manual carefully when purchasing the product to ensure that your installation...
  • 【Tankless Instant Hot Water Heater】No need to preheat before using the tankless water heater. As soon as you turn on the tap, the water flows...
  • 【High Sensitive Touch Led Display】Comes with smart digital LED display high-definition large screen, freely adjustable the temperature between...
  • 【Multiple Security Protection】The natural gas water heater is upgraded with 12 protection methods to ensure your safety. Such as dry burning...
  • 【Energy and Money Saving】The hot water heater adjusts power input based on flow rate and temp setting in real time. Summer/winter 2 modes to save...
Bestseller No. 6
Propane Tankless Water Heater, GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater, Instant...
  • 🎁【On Demand Hot Water】 Maximum power output 41,000btu/hour, get instant endless hot water easily wherever you are. No need to preheat before...
  • 🎁【CSA Approved Safety 】CSA approved Gasland tankless water heater, safe as per Canadian and US Standard. Flame failure device, anti-freezing...
  • 🎁【Lightweight Portable Design】 Compact size and lightweight design for easily carry. It can bring a amazing hot shower for you when you are...
  • 🎁【Energy Saving】 Compact and light weight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are...
  • 🎁【Excellent Customer Service】We have professional team to offer you excellent service. If you have any question, please feel free to contact...
SaleBestseller No. 7
Superior Pump 91660 Tankless Water Heater Descaler Pump Kit with Non-toxic Descaler Solution, 3.5...
  • Superior Pump 91660 Descaler Pump Kit is designed to clean and descale most Tankless Water Heaters
  • Descaler kit includes 1/6HP pump, Deluxe 3.5 gallon pail with screw top lid, two 3/4-inch GHT X 6-foot stainless steel hoses, and 7oz non-toxic...
  • 1/6HP Thermoplastic utility pump moves up to 1920 Gal. per hour; Will pump up to 20-feet of vertical height; Oil-free motor design
  • 1-inch NPT discharge; Includes 3/4-inch garden hose adapter for use with stainless steel hose; 8-foot power cord CSA Listed; convenient carrying...
  • Non-clogging reinforced thermoplastic impeller; Handles up to 1/8-inch solids; Stainless steel fasteners; Bottom screen filters out debris and is easy...
Bestseller No. 8
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, 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.
SaleBestseller No. 9
EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating...
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Heating elements are durable and are threaded for easy replacement
  • Activation Flow - 0.3 GPM
Bestseller No. 10
Hourleey 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit, with Pressure Relief Valve,...
  • Package include: 3/4 Inch Isolation Kit involves hot and cold valves 500WOG with 1/4 red and blue handles, equipped with full port ball valve for...
  • Easy to use: Tankless water heater repair valve 500WOG, red and blue valve handle, easy to identify hot and cold valves
  • Material: Components are certified lead-free brass, Meets all federal and state standards regarding lead content in drinking water system components....
  • Standard size: The tankless kit works with all 3/4 inch size is suitable for most American residential usage, both residential and commercial gas...
  • Good Service: If any problem, please feel free to contact us, Prince Team offer replacement and full refund services.
Bestseller No. 11
Natural Gas Tankless Water Heater, FOGATTI Indoor 6.3 GPM, 145000 BTU White Instant Hot Water...
  • We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and...
  • The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
  • 145,000 BTU high heating capacity and maximum 6.3 GPM. It is suitable for 2-3 outlet points, which can satisfy whole family. UEF over 0.82, the high...
  • 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...
Bestseller No. 12
Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV,...
  • CSA Safety Standard -CSA safety standard approved portable tankless water heater,flame failure device, anti-freezing protection, over heating...
  • Lightweight Portable Design-Compact size weights 10 lbs with portable handle for easily carry. Hang it using the mounting bracket on the top/back of...
  • Instant Hot Water- Maximum power output 28,000btu/hour, you can get 1.32 gallons instant endless hot water easily wherever you are. No need to preheat...
  • 3.0 PSI Water Pressure Startup -Equipped with a magnetic water flow sensor, the tankless water heater can be widely applied for rural areas, RV's and...
  • Important Tips -To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet...
SaleBestseller No. 13
Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief...
  • Lead Free Brass- Meets all federal & state standards for lead levels in drinking water system components
  • 3/4-Inch IPS Isolator Tankless Water Heater Service Valves 500WOG, colored valve handles for easy identification of hot and cold valves
  • Include a residential pressure relief valve (150 PSI/500,000 BTU)
  • Certified by CSA Group
  • Easy to Install
SaleBestseller No. 14
Rinnai V94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM
  • Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner...
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a...
  • Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee...
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your...
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for...
Bestseller No. 15
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch
  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Amperage Draw 29 amp. kW - 3.5 kW
  • Connection Fittings 1/2" NPT
Bestseller No. 16
Rinnai RU130iN Natural Gas Condensing Tankless Hot Water Heater, 7 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 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
Bestseller No. 17
Xiny Tool 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve,...
  • Package include: 3/4 Inch Isolation Kit involves hot and cold valves 500WOG with 1/4 red and blue handles, equipped with full port ball valve for...
  • Easy to use: Tankless water heater repair valve 500WOG, red and blue valve handle, easy to identify hot and cold valves
  • Material: Components are certified lead-free brass, Meets all federal and state standards regarding lead content in drinking water system components....
  • Standard size: The tankless kit works with all 3/4 inch size is suitable for most American residential usage, both residential and commercial gas...
  • Good service: reply online within 24 hours, if you have any questions, we will serve you at any time.
Bestseller No. 18
Camplux Pro 1.58 GPM Tankless Propane Water Heater, Outdoor Propane Gas Water Heater with Portable...
  • 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...
  • 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...
  • CSA Safety Testing Standard Ensure Your Safety-Flame failure device, anti-freezing protection, over heating protection to ensure the family safety....
  • Power Efficient & Energey Saving -Maximum power output 41,000btu/hour, you will get instant endless hot water easily wherever you are. Compact and...
  • Important Tips -To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet...
SaleBestseller No. 19
Watts Tankless Water Heater Service Valve Kit
  • TANKLESS WATER HEATER VALVE KIT: Watts LFTWH-FT-HCN service valve kit for tankless water heater valves simplify the installation, maintenance and...
  • SERVICE VALVE KIT FOR TANKLESS WATER HEATER: The tankless water heater service valve kit replaces up to 18 fittings and 16 connections used in typical...
  • MULTIPLE CONNECTION VALVE KIT: They are available in two valve sets or as a single valve with female threaded, union or quick-connect end options. The...
  • LEAD FREE VALVE KIT: The wetted surface of our Lead Free products contacted by consumable water contain less than one quarter of one percent (0.25...
  • WATER SERVICE VALVE KIT: Purge/drain ports allow regular cleaning to remove scale build-up. The kit includes LF4L - Lead free poppet type pressure...
SaleBestseller No. 20
Rinnai RUR199eN Condensing Tankless Hot Water Heater, 11 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: 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...
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.

Having trouble finding a great tankless gas water heater consumer reports?

This problem is well understood by us because we have gone through the entire tankless gas water heater consumer reports research process ourselves, which is why we have put together a comprehensive list of the best tankless gas water heater consumer reportss available in the market today.

After hours of searching and using all the models on the market, we have found the best tankless gas water heater consumer reports for 2023. See our ranking below!

How Do You Buy The Best Tankless Gas Water Heater Consumer Reports?

Do you get stressed out thinking about shopping for a great tankless gas water heater consumer reports? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching tankless gas water heater consumer reports, which is why we have assembled a comprehensive list of the greatest tankless gas water heater consumer reports available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for tankless gas water heater consumer reports that you consider buying. Your questions might include the following:

  • Is it worth buying an tankless gas water heater consumer reports?
  • What benefits are there with buying an tankless gas water heater consumer reports?
  • What factors deserve consideration when shopping for an effective tankless gas water heater consumer reports?
  • Why is it crucial to invest in any tankless gas water heater consumer reports, much less the best one?
  • Which tankless gas water heater consumer reports are good in the current market?
  • Where can you find information like this about tankless gas water heater consumer reports?

We’re convinced that you likely have far more questions than just these regarding tankless gas water heater consumer reports, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for tankless gas water heater consumer reports, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible tankless gas water heater consumer reports. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an tankless gas water heater consumer reports buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available tankless gas water heater consumer reports currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of tankless gas water heater consumer reports has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an tankless gas water heater consumer reports?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your tankless gas water heater consumer reports.
  5. Customer Ratings: Number ratings grade tankless gas water heater consumer reports objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their tankless gas water heater consumer reports.
  7. Product Quality: You don’t always get what you pay for with an tankless gas water heater consumer reports, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an tankless gas water heater consumer reports is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining tankless gas water heater consumer reports information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding tankless gas water heater consumer reports is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Which water heater is best?

A: Tankless hot water heaters are the best water heaters for residential use today, because of their lower initial cost, simple and easy installation, low maintenance, low noise operation, troubleshooting, better safety and flexibility.

Q: What is the best brand of water heater?

A: Best Premium Brand: AO Smith. AO Smith is one of the largest manufacturers of water heaters, which it sells under a variety of brands. Those sold under the AO Smith brand are some of the more expensive models we looked at, but the company has an excellent reputation for quality products. AO Smith makes gas, electric, tankless,…

Q: What is a demand water heater?

A: On-demand water heaters warm water as it’s needed, and they’re different from a standard tank water heater. A water heater with a tank heats water to a set temperature, but as cold water enters the tank, the water temperature gradually drops, and eventually you run out of warm water.

Q: What is a propane water heater?

A: Propane Water Heater. A propane water heater also features an element made from porcelain, which helps in spreading the ignited flame in a specific pattern and thus helps in properly distributing the heat from the burning of propane. Another important element that most propane tankless water heaters have is the pilot light.