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The 14 Best Gas Tankless Water Heater 2022 Reviews of 2024 (Top Choices)

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Your participation is required for antifreeze protection; kindly continue to plug your water heater into a 120v 60Hz power source to ensure that the Antifreeze system automatically ignites.


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Showing  1 - 10  in  14 results
TOP Choice
1
  • SCORE
    9.2
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    Rinnai
TOP Choice
2
  • SCORE
    9.0
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    Rinnai
3
  • SCORE
    9.0
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    Rinnai
4
  • SCORE
    8.8
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    Rheem
TOP Choice
5
  • SCORE
    8.4
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    CAMPLUX ENJOY OUTDOOR LIFE
6
  • SCORE
    8.6
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    Rheem
7
  • SCORE
    8.6
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    Rheem
8
  • SCORE
    8.4
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    CAMPLUX
9
  • SCORE
    8.0
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    Rheem
10
  • SCORE
    8.0
    AI Score

    Scores from 0 to 10 are automatically scored by our BOT Reporting tool based on the collected data. This score is born to evaluate product quality, and is automatically obtained and is not influenced by anyone, any company, any brand.

  • Brand
    FOGATTI

Last update on 2024-03-03 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

5
3 ratings

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OUR TOP PICKS FOR THE BEST GAS TANKLESS WATER HEATER 2022

 

1. BEST BUDGET: Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater

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  • endless hot water, and compact design Energy and space conservation
  • With computerized safety features, no need to be concerned about the pilot light.
  • All safety measures are freezing, overheating, surge protection, and troubleshooting diagnostic codes.
  • Read more

A condensing tankless water heater is more efficient and uses more energy despite being more expensive. The Tagaki T-H3-DV-N model can provide hot water to three fixtures in colder climates and up to four fixtures in warm climates. It can produce 10 GPM of hot water at its most. By holding onto the heat from exhaust produced by a secondary heat exchanger, this Energy Star-certified natural gas tankless water heater conserves energy.

Related:

2. TOP-RATED: Natural Gas Tankless Water Heater, FOGATTI Outdoor 8.1 GPM

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  • You don't have to wait for preheating and have unlimited access to hot water thanks to the tankless design.
  • High heating capacity of 180,000 BTU and 8.1 GPM at most. It can accommodate 3-5 outlet points and can satisfy the entire family. High energy conversion rates can significantly minimize energy loss when UEF is > 0.82.
  • In both the US and Canada, CSA certification ensures excellent quality. utilizing the most cutting-edge technology available, better durability.
  • Read more

To guarantee that the anti-freeze system automatically ignites, keep your water heater plugged into a 120v 60Hz power supply. The water heater needs to be drained to prevent freezing damage if the temperature drops below 3°C (37.4°F) or if the machine is left idle for a long time. Please be aware that tankless water heater warranties DO NOT cover damage brought on by freezing, per industry standards.

Related:

3. BEST DESIGN: Rinnai V65eN Non-Condensing Natural Gas Tankless Water Heater      

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  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater Tankless hot water heater only heats when necessary to reduce energy
  • The Rinnai non-condensing tankless hot water heater fits in a range of spaces and is just little larger than a compact suitcase.
  • Improved scale detection aids in preventing major, long-lasting damage to the appliance; comes with, respectively, a 15-, 5-, and 1-year home warranty for the heat exchanger, labor, and parts.
  • Read more

Modern technology is provided by the Rinnai high-efficiency non-condensing outdoor tankless natural gas water heater types at a reasonable cost. You may recapture some of your home's most priceless space with this little water heater, which is the size of a small suitcase. This WiFi-enabled Rinnai Controlr might make this smart on-demand hot water heater even smarter (not included). All of the advantages of Rinnai tankless water heating are available to you thanks to this incredibly small, straightforwardly installable equipment. At a predetermined temperature, you'll always have clean, hot water while conserving energy and valuable floor space in your house.

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4. BEST SELLER: MAREY 4.2 GPM

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  • For the ideal outdoor shower at 115°F output water temperature, use a maximum of 4.2 Gal. per minute.
  • 100,000 BTUs of maximum output for limitless hot water
  • Unit ignites using two D-cell batteries, so no electricity is required. Perfect for off-grid regions, campgrounds, cottages, or any other place without access to electricity
  • Read more

A great option for whole-house water heating, the Marey 4.2 GPM, 16L liquid propane gas tankless water heater is perfect for mid-size houses, equestrian facilities, and cabins. It is perfect for off-grid places or any other place without access to electricity because the gadget ignites itself using two D-cell batteries. This propane gas tankless water heater can only provide 4.2 GPM at 115°F, the ideal temperature for a wonderful outdoor shower. This adaptable tool is perfect for a number of outdoor activities, such as cleaning a car, washing a pet, and having a leisurely outdoor shower. As long as enough ventilation is offered, it can also be installed indoors in compliance with regional building and plumbing requirements.

Related:

5. BEST QUALITY: Rinnai V65eP Non-Condensing Propane Tankless Water Heater

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  • Original Concept
  • With this Small Propane Water Heater, You'll Never Run Out of Hot Water.
  • Intelligent, Robust Design
  • Read more

To find a qualified installer for your tankless water heater in your area, visit the Find a Rinnai PRO page on our website. We advise against trying to install a water heater by yourself. With This Compact Propane Water Heater, You'll Never Run Out of Hot Water: A variety of uses are possible for the compact suitcase-sized Rinnai 6.5 GPM non-condensing tankless hot water heater (5 fixtures at once)

Related:

OTHER CHOICES: 

BEST PRICE: MAREY GA5FLP 1.32 GPM

BEST SAVING: Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater

BEST CHOICE: Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heate


TODAY’S BEST DEALS

Not being aware of Amazon's ever-changing lineup of daily great deals is a missed opportunity if you plan on making regular purchases via the site. You can check this out and make more economical purchases:

Daily Coupon on Amazon


FAQs

1. Can a gas tankless water heater work for a whole house?

Yes, a gas tankless water heater can work for a whole house, but it depends on factors such as the size of the unit, the climate, and the household's hot water usage. It's important to select the appropriate size and flow rate to meet the household's hot water demands. 

2. Is Rinnai the best tankless water heater?

Rinnai is one of the most reputable tankless water heater manufacturers on the market. Rinnai tankless water heaters provide various advantages that can increase your home's comfort and energy efficiency. Actually, I am also a loyal customer of Rinnai. I think tankless water heaters from Rinnai are a preferred alternative to huge tank heaters both homeowners and experts.

3. What's the secret to choosing the right size and power output for your gas tankless water heater?

The secret to choosing the right size and power output for your gas tankless water heater is to consider the peak hot water demand in your household and the temperature rise required in your area. A professional plumber can perform a heat load calculation to determine the appropriate size and power output for your home. Other factors to consider include the unit's efficiency rating, energy source availability, and warranty. One tip I got from my experience and I want to share with you is to choose a reputable brand. 


WARRANTY

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SOURCE

For a trustable report, we have collected and used materials from some of the sources below:
Amazon.com
Consumerreport.org
Bestreviewser.com
Reddit.com
Thewirecutter.com