Are you trying to find tankless gas water heaters among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling tankless gas water heaters on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 22 hours of research and did 18 tankless gas water heaters tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best tankless gas water heaters you can buy today
- Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
- Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Enhanced scale detection lessens possibility of serious, long-term damage to unit
- Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 7.5 GPM for a powerful, constant stream that serves up to 5 appliances at once
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
- Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
- 【Instant Hot Water Heater】Tankless water heaters can provide endless hot water on demand for 2- 3 water points.
- 【Comfortable Bathing Experience】3.6 GPM hot water flow, precise temperature control, no water temperature sandwich.
- 【Premium design and Durable】Adopt oxygen-free copper water tank, reduce heat loss, high efficiency and durability.
- 【Compact Design】Save over 50% of available space compared to tank water heater.
- 【Quality Service】If you encounter product quality problems, you can contact us by phone, email and message, and we will provide service according to the warranty policy.
- Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
- Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Enhanced scale detection lessens possibility of serious, long-term damage to unit
- Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 5.3 GPM for a powerful, constant stream that serves up to 4 appliances at once
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
- Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
- 【Tankless Water Heater】- Natural Gas water heater tankless Steady Steady Temperature Control with more safety protection such as flame failure device,anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,4.21gallons of hot water can be output per minute.The maximum temperature raise is 167°F,Applicable only Natural Gas（LNG)
- 【Efficient & Energey Saving】-The 4.21 GPM Instant Natural Gas Water Heater ,Maximum power output 68000btu/hour,on-demand hot water for 2-3 points simultaneous water supply for bathroom,kitchen hot water demand， Natural Gas Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.
- 【Quality Material】-This of ours Water Heater Crafted from stainless steel, our Propane water heater exhibits high temperature resistance and corrosion resistance. It also features a built-in oxygen-free copper water tank, reduce heat loss ensuring a prolonged service life.with with LED smartdigital display effortlessly adjust the temperature between 86°F-167°F according to your preferences.
- 【Easy Assemble and Use】-Applied with standard 1/2" NPT water fitting and gas inlet, comes with 2.5" horizontal vent pipe for quick installation.Note: For normal operation, this product must be installed with proper ventilation and a smoke exhaust pipe.
- 【Widely Application 】-Save over 50% of available space compared to tank water heater.for both bathroom and kitchen hot water demand. great for home,small cabins and remote apartments indoor installation. without the need to install an expansion tank,Note: In cold weather, if the water heater is not used for a long time, it is necessary to open the pressure relief valve to drain the residual water in the water heater.
- CSA Certified
- LED Touch Screen Computerized Safety
- Flow activation
- Oxygen free copper heat exchanger
- Stainless Steel Venting Exhaust
- Anti-Freeze Protection
- UL listed
- DOE
- Unit performance is affected if installed above 2000 feet elevation from sea level
- 【Virego Water Heater】18L Tankless Water Heater Propane Gas with CSA Approved Regulator. Just need 3.6PSI of water pressure, 4.5gallons of hot water can be output per minute. The maximum temperature raise is 167 °F. Equipped with safety protections such as flameout device, antifreeze protection, and overheating protection
- 【Energy Efficient】Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries with 11.5% energy-saving technology, the maximum output power is 68,000btu/hour. The heat exchanger and main burner adopt advanced combustion technology, reducing gas consumption and combustion noise. This allows you to spend less money and get more hot water.
- 【Portable Gas Hot Water Heater】 18L Portable water heater, with an integrated detachable design, small in size and lightweight, easy to carry. Whether it's for your home, outdoor camping, RV, or pet bathing, you can enjoy a relaxing hot shower anytime, anywhere.
- 【Complete Accessories】18L RV Water Heater provide 5FT Gas Regulator & high-pressure shower head with 5 spray modes with a 4.5FT extended stainless steel hose and shower bracket. There are three connections below, with the left one being the gas inlet. The middle one is the hot water outlet, and the right one is the cold water inlet.
- Virego - Risk free shopping brand, one of the most trustworthy brands on Amazon. Your issues will be resolved within 12 hours - Any problems with the product can be directly refunded in full or exchanged.
- Endless Hot Water: Our tankless hot water heaters offer unlimited whole-home hot water flow and come equipped with Circ-Logic for pairing with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
- Energy and Space Efficient: The tankless design of this small hot water heater saves on space and conserves energy as it heats only when necessary
- Optimal Water Pressure: With a hot water flow rate of up to 11 GPM, this tankless water heater provides a powerful, constant stream that can accommodate up to 7 appliances at once
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your water heater; We do not recommend installing a water heater without a technician
- Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively; Wifi monitoring available with Controlr module (not included)
- 【Smaller size and better performance】It is only 1/4 the size of a 50 gallon tank water heater, yet it produces approximately 5.1 GPM of hot water through 120,000 BTU for both bathroom and kitchen hot water demand. The highly integrated components also provide greater safety from water pressure surges without the need to install an expansion tank.
- 【Fast and endless supply of hot water】The heat exchanger quickly heats the water to a maximum of 149℉ in a short time, and the hot water is quickly piped through to the shower and tap. No need to wait for the water temperature to heat up slowly like a tank water heater. After that it continues to operate at approximately 5.1 GPM for 40 minutes, which is enough time to produce almost 200 gallons of hot water.
- 【Stable and comfortable temperature】Benefiting from the calculation and control of the heating power 1000/s by the chip, the temperature difference of the water can be precisely controlled within ±2°F.
- 【High compatibility and easy installation】Most tank water heaters have exhaust vent, water and gas pipe that can be universally used in tankless, requiring only a simple re-layout. If installing a tankless water heater in a new house, its compact size makes it easy to install. Of course, we recommend that all installations are carried out in accordance with local building and plumbing codes by licensed professionals.
- 【Excellent quality and service】CSA certification in the USA and Canada. Superior safety and durability using the world's most advanced technology. FOGATTI provide 5 years warranty on heat exchanger and 2 years warranty on other parts.
- 【Note】1. Not recommended in excess of 2000 feet above sea level. 2. This tankless gas water heater must be installed in a well-ventilated area. 3. Requires additional purchase of 3-inch diameter exhaust pipe.
- Hot water without the wait - or the waste
- Low operating cost - High energy efficiency and water savings setting
- Space Savings - Compact, space-saving design. Perfect for a tank replacement.
- Water & Gas Leak Detection will shut down unit and provide an error code
- For Indoor use only
- We recommend that all installations of units must be done by 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 0.81, 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.
- Fogatti provides 5 years warranty on the heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs are extra from 31 days.
How to choose a good tankless gas water heaters
Does the idea of finding a fantastic tankless gas water heaters make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in tankless gas water heaters. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top tankless gas water heaters products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top tankless gas water heaters on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top tankless gas water heaters brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top tankless gas water heaters based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the tankless gas water heaters were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good tankless gas water heaters, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your tankless gas water heaters.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting tankless gas water heaters for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our tankless gas water heaters. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what tankless gas water heaters should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on tankless gas water heaters.
