It can be difficult to buy a best tankless gas water heaters online without feeling anxious. There are a lot of things to consider before finalizing your purchase. For example, you might worry about how the product will arrive or if it’s good enough for your needs. It’s also hard to know if the company is reliable. To help you feel more confident in your purchases, we’ve made a list of top 10 best tankless gas water heaters for our readers.
Review of Best Tankless Gas Water Heaters
Top Pick
1. Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural …
- Brand: Rinnai
- Manufacturer: Rinnai
- Color: Silver/Grey
- Dimensions: Height: 33.86 Inches Width: 14.76 Inches Length: 22.05 Inches Weight: 74.1 Pounds `
Features
- 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.
Best Quality
2. Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water …
- Brand: Rheem
- Manufacturer: Rheem
- Color: Gray
- Dimensions: Height: 28.5 Inches Width: 9.75 Inches Length: 27.5 Inches Weight: 77.0 Pounds `
Features
- 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 use indoor only
Recommended
3. Supplying Demand RTG20235C Tankless Gas Water Heater Ignitor Coil Replacement
- Brand: Supplying Demand
- Manufacturer: Supplying Demand
- Color: Mixed
- Dimensions: Height: 1.0 Inches Width: 1.25 Inches Length: 10.25 Inches
Features
- 120V RTG20235C ignitor coil
- If the igniter fails, the burner will not light.
- Make sure the ignitor is getting the correct voltage.
- Water Heater parts and accessories should only be installed by qualified technicians.
- SD products come in Supplying Demand packaging.
4. EXCEL TANKLESS GAS WATER HEATER Vent Free (LOW WATER PRESSURE …
- Brand: Excel
- Manufacturer: EXCELAMERICA LLC
- Color: White
Features
- PROPANE GAS LPG UNIT
- Starts with only 2 PSI of Water Pressure – Amazon Exclusive
- Exclusive – Vent-Free Technology No expensive Flue required
- Compact size: front 11.5” – depth 6” – height 16”
- 2 SIZE D Batteries Included (For Automatic Ignition)
5. Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water …
- Brand: Runnatal
- Manufacturer: Runnatal
- Dimensions: Height: 5.0 Inches Width: 14.0 Inches Length: 21.0 Inches
Features
- Note: Please download and read the installation manual and product manual carefully when purchasing the product to ensure that your installation environment is consistent with this product. When installing, please strictly follow the installation manual and installation instruction video, otherwise it may not work. If you have any questions about the product, please contact us by email. We have a professional technical support team.
- 【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 with your desired temperature.
- 【High Sensitive Touch Led Display】Comes with smart digital LED display high-definition large screen, freely adjustable the temperature between 30℃-65℃.
- 【Multiple Security Protection】The natural gas water heater is upgraded with 12 protection methods to ensure your safety. Such as dry burning protection, over 65℃(149 °F) protection, leakage protection, etc.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 to prevent the exchanger or water pipe from freezing and swelling.
- 【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 up to 60% on your natural gas costs.
- 【Quality Material】Made with brushed stainless steel material, the natural gas water heater has the function of high temperature resistance, corrosion resistance. Built-in oxygen-free copper water tank, long service time.Note: This product must be installed with a ventilation and smoke exhaust pipe for normal use.
6. Supplying Demand SP20285 High Efficiency Tankless Gas Water Heater 2 …
- Brand: Supplying Demand
- Manufacturer: Supplying Demand
- Color: Off white/Beige
- Dimensions: Height: 2.5 Inches Width: 9.0 Inches Length: 14.0 Inches
Features
- Fits high-efficiency condensing indoor gas tankless water heater models ECOH160DV and ECOH200DV (sold separately). Fits PVC and ABS piping (sold separately). Plastic construction.
- Horizontal vent termination kit provides clean and easy installation of the condensing tankless water heater intake and exhaust pipes (sold separately). Flush mounts to your outside wall. Instructions included for easy installation.
- Creates an aesthetically pleasing appearance by hiding the intake and exhaust pipework. Proper venting ensures the safe and reliable operation of your tankless water heater..
- Water heater parts and accessories should only be installed by qualified technicians.
- SD products come in Supplying Demand packaging.
7. Natural Gas Tankless Water Heater, FOGATTI Indoor 7.5 GPM, 170,000 …
- Brand: FOGATTI
- Manufacturer: FOGATTI
- Color: White
- Dimensions: Height: 7.3 Inches Width: 17.1 Inches Length: 26.2 Inches Weight: 40.0 Pounds `
Features
- 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 0.82, 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.
- FOGATTI provides free replacement within 30 days, and 5 years warranty on the heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs are extra from 31 days.
8. Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, …
- Brand: Rinnai
- Manufacturer: Rinnai
- Color: Euro White
- Dimensions: Height: 21.8 Inches Width: 14.0 Inches Length: 7.9 Inches Weight: 33.0 Pounds `
Features
- 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
9. Twinkle Star 3/4 Inch IPS Isolator Tankless Water Heater Service …
- Brand: Twinkle Star
- Manufacturer: Twinkle Star
- Color: Blue/Red
- Dimensions: Height: 4.0 Inches Width: 7.2 Inches Length: 9.6 Inches
Features
- 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.
- 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.
- 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.
- 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.
10. Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
- Brand: Rheem
- Manufacturer: Rheem
- Color: Gray
- Dimensions: Height: 23.63 Inches Width: 13.88 Inches Length: 8.88 Inches Weight: 57.0 Pounds `
Features
- 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
- Fuel Type: Natural Gas
Benefits of buying the best tankless gas water heaters at Amazon
We all know that the products sold on Amazon are cheaper than other places. Amazon has a huge number of items to choose from. This means that it can be hard to decide which product you want, so we have come up with some benefits of buying best tankless gas water heaters at amazon.
Supper Fast Delivery
When I need anything to buy online, I remind the name of Amazon. They are known for their fast shipping, vast selection, and price transparency. The company has also been a pioneer in automated technologies like smart warehouses and drones. These two factors contribute to Amazon’s ability to deliver products faster than other e-commerce websites. Here is how you can take advantage of this service by ensuring you have the right packaging materials in place before shipping your products to Amazon.
The Best Customer Support.
Amazon’s helpdesk is second to none in the eCommerce industry. The company offers excellent customer support and responds to queries within a few hours. Customer service representatives are always available, even on weekends and public holidays. Furthermore, Amazon offers 24/7 live chat through the website, which allows customers to speak with an agent whenever they need assistance.
Final Words
Online shopping has become an important part of our lives. If you are searching for a product to buy, or if you want to buy something from Amazon, then this blog post is just for you. We have prepared the list of top 10 products for you. So, go ahead and buy a product now from the list above.