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5 Best Propane Tankless Water Heaters of 2025

Last Updated - 2025/10/27

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.

Ranein

Ranein Propane Gas Tankless Water Heater, Indoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater

Ranein

CA$799.00

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Main highlights
- 【Wide Application】130,000 BTU high heating capacity and maximum 5.3 GPM. It is suitable for 3-5 outlet points, which can satisfy whole family
- 【Note】We provide a 2-year warranty for the water heater. If you encounter any issues, please contact us. In cold weather, if the water heater is not used for a long time, the pressure relief valve needs to be opened to drain the remaining water in the water heater. This product is not recommended for use in areas over 2,000 feet
- 【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.
- 【Fans Placed Underneath】It will be more secure in terms of safety, and no smoke backflow will occur. The blower has large power and can automatically adjust the rotating speed according to the change of external wind pressure and the change of water temperature to provide sufficient oxygen for gas combustion, ensuring full combustion and safer use. Low noise and longer service life
- 【Easy to Assemble and Use】Uses standard 1/2" NPT water inlet fittings and 3/4" NPT air inlets for quick installation. Its compact size of 23.15"L x 14.17" W x 5.9"H takes up almost no space. If you have any questions about installation and operation, please do not hesitate to contact us and we will serve you wholeheartedly
CA$799.00
2

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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

Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater

Ranein

CA$599.00

More Details
Main highlights
- Upgrade features: Four Seasons Function: Automatically adjust the water temperature output based on the seasonal water temperature changes. Kitchen Function: Default water output temperature is 100°F, suitable for kitchen use. Bathtub Function: Adjustable water output quantity with a reminder when the set output quantity is reached, catering to various environmental needs.
- 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. Not recommended for areas over 2,000 feet.
- Performance: The on-demand tankless water heater boasts a heating capacity of 100,000 BTU and a hot water flow rate of 4.3 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$599.00
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.

OEVANT

OEVANT RV Tankless Water Heater,55,000 BTU RV Instant Water Heater with Remote Controller,16x16 inch Door＆Front Water Outlet,Propane Gas＆DC 12V, CSA Certificated,Compatible with All RVs-White

OEVANT

CA$399.99

More Details
Main highlights
- User Friendly Operation - Adjusting the temperature is easy with the built-in microcomputer control panel, which allows you to set the temperature anywhere between 95 and 123 degrees Fahrenheit. It also provides error codes for easy troubleshooting
- Safety and Reliability - OEVANT RV water heaters offer protection in all situations to ensure top safety and reliability, giving you peace of mind, including a built-in forced exhaust fan, stable combustion, anti-freeze protection and automatic gas shut-off in the event of an accidental flame failure.
- Instant Hot Water Supply- OEVANT 55,000 BTU RV Water Heater provides a constant flow of hot water for multiple showers without preheating. The RV water heater reaches 51°C in less than 25 seconds. Save time and don't wait too long for warm water!
- High-Performance Technology-RV water heater uses advanced staged combustion technology to keep water temperatures stable and prevent overheating, ensuring comfortable and efficient hot water on all your adventures.Moreover, OEVANT RV water heater uses propane for heating, so you won't be worried about running out of electricity in your RV.
- Endless Hot Water-With the OEVANT RV water heater, your family and friends can enjoy constant hot water at any time while travelling, 55,000 BTUs high power output, providing smooth water flow and stable temperature, ±1℃ Intelligent thermostat, Compatible with All RVs and Campers
- Compact and Convenient - The OEVANT RV Water Heater is compact and lightweight with a 16‘ x 16’ door and 13‘ x 13’ opening, and a front-mounted water outlet that makes showering, rinsing, and pet bathing easy!
CA$399.99
4

✖
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

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

Ranein

CA$509.00

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$509.00
5
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.

DWALE

Tankless Water Heater Propane,3.18GPM 12L Outdoor Portable Water Heater,with 2 GPM Water Pump, Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

DWALE

CA$269.99

More Details
Main highlights
- 【Widely Application】-Our propane shower is mainly used for outdoor showering with hot water,provides you a safe and comfortable hot shower at anytime and anywhere, Compact and space-saving design is portable for the outdoors, which bringing an amazing hot shower for you when you are camping, hiking, fishing, beaching, grid cabin etc. Besides, you can also wash your pets with this tankless water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. Always check gas leakage before operation.
- 【Propane Water Heater】 - This tankless water heater includes a CSA-approved regulator and multiple safety features such as a flame failure device, anti-freeze protection, and overheating protection. It can be used with 2GPM water pump, Comes with 2 pieces of extension hose and fittings,your don't need to buy extra accessories.output 3.18 gallons of hot water per minute, with a maximum temperature rise of 167°F,Designed for use with propane (LPG) only.
- 【Portable Design】 - Our portable hot water heaters are compact and lightweight with folding handles for easy portability. Our Propane Water Heater Perfect for grid cabin,It comes with a showerhead and a pet showerhead and extension hose, ensuring you have the right tool for personal showers and bathing your pets,allowing you to enjoy an amazing hot shower after a long day of camping,Dimensions: 23.2 x7.3 x 13.4 inches. The outdoor water heater is powered by 2 "D" cell batteries.
- 【Efficient & Energey Saving】-The on demand hot water heater propane exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
- 【Complete Accessories】 - This tankless water heater comes with a CSA-approved 5FT gas regulator and a high-pressure shower head with 5 spray modes. Also included are a 8 spray pet showerhead, a 2GPM water pump with dual power options (10ft alligator clip cable and 23ft cigarette lighter cable), 4 pipe adapters, and 2 hoses. The dual power options for the water pump allow for flexible charging and usage, whether you're near a vehicle or using a battery setup.
CA$269.99

5 Best Propane Tankless Water Heaters of 2025

Ranein Propane Gas Tankless Water Heater, Indoor Max 5.3 GPM, 130,000 BTU Instant Hot Water Heater

Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater

OEVANT RV Tankless Water Heater,55,000 BTU RV Instant Water Heater with Remote Controller,16x16 inch Door＆Front Water Outlet,Propane Gas＆DC 12V, CSA Certificated,Compatible with All RVs-White

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

Tankless Water Heater Propane,3.18GPM 12L Outdoor Portable Water Heater,with 2 GPM Water Pump, Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

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