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5 Best Propane Gas Water Heater Tanklesses of 2025

Last Updated - 2025/08/02

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

FOGATTI

FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use

FOGATTI

CA$899.00

More Details
Main highlights
- 【Unprecedented experience】The high altitude suitability mode allows the machine to run smoothly even when driving the caravan to the high Denver plateau at 9,800 feet. Staged combustion technology, which controls the amount of flame in summer, prevents the water from getting too hot and saves the limited propane gas available for caravan travel.
- 【Save money and trouble】Fogatti has always thought of you, with a pressure relief valve built into the product, so you don't have to buy and install it separately. And it also comes with a 15 x 15 inches door and an intelligent remote controller up to 2 meters long.
- 【Safety and reliability】The product is CSA certified and has multiple protection features such as a built-in forced exhaust fan on top, stable combustion, automatic gas shut-off for accidental flame failure and anti-freeze.
- 【No waiting】RV tankless water heaters are taking off. Tankless water heaters are better than tanked water heaters for continuous showering of multiple people. There is no need to waste 20-30 minutes waiting for hot water in the middle of the shower, so you can enjoy hot water at all times. It uses propane for heating, so there is no need to worry about running out of power in your caravan.
- 【Incessant hot water】With 55,000 BTU of power, it can produce a maximum of 2.9 GPM of hot water. Some tank heaters can only store up to 6-10 gallons of hot water and run out of hot water in 5-8 minutes, whereas our hot water supply lasts over 40 minutes.
- 【All RV water heaters can be replaced】The Fogatti RV water heater have a wide range of applications. The opening is 13 x 13 inches and the door is 15 x 15 inches. It can replace Suburban and Atwood's 6 gallons tank water heaters, as well as Girard and Furrion's tankless water heaters. If you previously used a 10 gallons tank water heater, it would need to be retrofitted with an 18 x 18 inches door.
CA$899.00
2
Best Value

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GASLAND

Propane Tankless Gas Water Heater, GASLAND CG422LP Up to 4.22 GPM 102,000 BTU Indoor Installation Instant Residential Propane On-Demand Tankless Hot Water Heater

GASLAND

CA$712.49

CA$749.99
(5% Off)

More Details
Main highlights
- 【Ultra-Quiet Operation】This indoor tankless propane water heater features cutting-edge AI-powered multi-layer noise reduction and multi-source isolation technology, making it significantly quieter than most other tankless models on the market. The intelligent system continuously minimizes sound for a peaceful, comfortable home environment—perfect for apartments, small homes, and open-concept living spaces.
- 【Precision Temperature Control (±0.5°F)】Our propane tankless water heater features cutting-edge flow sensors and a high-speed smart chip that performs thousands of calculations per second. This ensures water temperature stays within ±0.5°F of your setting—providing unmatched comfort and consistency.
- 【Powerful Performance for Multi-Point Use】With 102,000 BTU of heating power and a 4.22 GPM flow rate, this indoor propane tankless water heater can easily supply hot water to two showers and two kitchen faucet simultaneously. Ideal for households of 3–4 people, with no risk of sudden temperature drops during use.
- 【Exceptional Temperature Stability】Enjoy steady hot water from every faucet—even with multiple taps running at once. This indoor propane water heater system keeps the temperature constant regardless of changes in water pressure or weather. Plus, hot water restarts instantly after turning the tap back on—no waiting, no fluctuations.
- 【Easy Installation】Features standard 3” vent pipe, 3/4" NPT water outlet & inlet, and a 1/2” NPT gas inlet for quick, convenient installation. For best performance, we recommend using the GASLAND GSVP70T venting kit or the GSWT300 wall thimble.
- 【Compact, Space-Saving Design】Measuring just 18.5" H x 12.2" W x 6.38" D, this compact CG422LP indoor propane tankless water heater saves over 200% more space than traditional tank water heaters and 35% more than most other tankless brands. Perfect for apartments, small homes, or tight spaces like cabinets and utility closets.
- 【Built-In Safety Features】Enjoy peace of mind with multiple built-in protection systems, including: Anti-freeze protection, Overheat protection, Dry burn protection, High water pressure protection, Low water flow protection, Flame failure and flame-out protection.
CA$712.49
CA$749.99 (5% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Ranein

Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater

Ranein

CA$499.00

More Details
Main highlights
- Warranty: We provide a 2-year warranty for the water heater. If you encounter any issues, please contact us.
- Save Money: The kit already includes the exhaust pipe, so you don't need to spend extra money on purchasing it separately. With an oxygen-free copper water tank, it reduces heat loss and lowers energy consumption. Applied with standard 1/2" NPT water fitting and gas inlet.
- Recommendation: We strongly advise that all installations of the device adhere to local building and plumbing regulations at the installation location, and should be carried out by licensed professionals. This product is not recommended for use in areas over 2,000 feet
- Performance: The on-demand tankless water heater boasts a heating capacity of 80,000 BTU and a hot water flow rate of 3.6 gallons per minute (GPM). It can provide continuous hot water for 2-3 water supply points, making it sufficient to meet the hot water needs of a household's bathroom, kitchen, and bar area.
- No Waiting Required: Unlike traditional tank water heaters, tankless water heaters eliminate the need for a 30-minute preheating wait time, allowing you to have unlimited hot water on demand.
CA$499.00
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

tinsay

18L Tankless LPG Propane Gas Hot Water Heater Instant Boiler Bathroom Shower…

tinsay

CA$279.99

More Details
Main highlights
- ☀ Over Water Pressure Protection Function: To automatically decrease pressure under excessive high water pressure
- ☀ Low Water-pressure Startup: The water control linkage valve makes the heater start up under low water pressure and stable water flowing under high pressure to meet the requirements of those in water shortage areas and those living in high stairs.
- ☀ Ion Flame Inspection: To automatically shut down gas power under unrexpectable flameout.Controller design: both cold water and warm water can be properly controlled.
- ☀ High Efficient Energy Saving: The heater exchanger and main burner adopt mostly advanced energy-saving and combustion technology to decrease gas consumption and burning noise.
- ☀ Anti-freezing Protection Function: the anti-freezing apparatus can discharge the stock water to avoid damaging machine itself by freezing under cold areas or in case of long time no use.
CA$279.99
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

VELPAX

Propane Tankless Water Heater, 4.21GPM 16L Indoor,Constant Propane Water Heater,Instant Hot Propane Gas Water Heater with Fahrenheit Digital Display,Multi-Protection

VELPAX

CA$335.27

More Details
Main highlights
- 【Versatile & Space-Saving】– This compact tankless water heater saves over 50% of space compared to traditional tank models, making it a perfect choice for homes, small cabins, and remote apartments. It efficiently meets both bathroom and kitchen hot water demands without the need for an expansion tank. Note: In cold weather, drain residual water by opening the pressure relief valve if the unit will not be used for an extended period.
- 【Tankless Water Heater】– This propane tankless water heater features steady temperature control and multiple safety protections, including a flame failure device, anti-freeze protection, and overheating protection. It operates with just 3.6 PSI of water pressure, delivering up to 4.21 gallons of hot water per minute. With a maximum temperature rise of 149°F, this unit is designed exclusively for use with propane (LPG).
- 【Premium Quality & Durability】– Crafted with a stainless steel body for superior temperature and corrosion resistance, this propane water heater is built to last. The oxygen-free copper water tank ensures minimal heat loss and an extended service life. The LED smart digital display allows for easy temperature adjustments between 95°F and 149°F, giving you precise control over your hot water needs.
- 【Efficient & Energy-Saving】– With a high-performance output of 68,000 BTU per hour, this 4.21 GPM instant propane water heater provides on-demand hot water for 2–3 points of use simultaneously, making it ideal for bathrooms and kitchens. The advanced combustion technology minimizes gas consumption and reduces operational noise for a more efficient and quieter experience.
- 【Easy Installation & Use】– This tankless propane water heater is designed for quick and hassle-free setup. It comes equipped with standard 1/2" NPT water fittings,gas pipe, inlet and outlet water pipe, and a 2.5" horizontal vent pipe for easy installation.For safe operation, ensure proper ventilation and install a smoke exhaust pipe as required.
CA$335.27

5 Best Propane Gas Water Heater Tanklesses of 2025

FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use

Propane Tankless Gas Water Heater, GASLAND CG422LP Up to 4.22 GPM 102,000 BTU Indoor Installation Instant Residential Propane On-Demand Tankless Hot Water Heater

Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater

18L Tankless LPG Propane Gas Hot Water Heater Instant Boiler Bathroom Shower…

Propane Tankless Water Heater, 4.21GPM 16L Indoor,Constant Propane Water Heater,Instant Hot Propane Gas Water Heater with Fahrenheit Digital Display,Multi-Protection

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