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5 Best Propane Tankless Water Heaters of 2025

Last Updated - 2025/07/16

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 Propane Tankless Water Heater, Up to 5.1 GPM, 120,000 BTU Indoor Installation Instant Hot Water Heater, InstaGas Classic 120 Series

FOGATTI

CA$799.00

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Main highlights
- Stable Temperature Control: The built-in chip adjusts heating power 1,000 times per second, maintaining water temperature within ±2°F for a consistently comfortable experience
- Safety & Durability: FOGATTI propane tankless water heater has been CSA certified with advanced safety features, including dry combustion protection, overheat protection, Anti-Freeze protection, flame failure protection, we offer a 2-year coverage for the entire unit and a 5-year coverage for the heat exchanger
- Energy Efficient: Featuring a copper heat exchanger and micro-flame technology with negative pressure design, this unit reduces gas consumption and noise, saving you on energy bills while ensuring quiet operation
- Endless Hot Water: FOGATTI tankless water heater propane delivers a high flow rate of 5.1GPM with 120,000 BTU heating power, providing reliable hot water for 3-4 locations simultaneously
- Easy Installation: With a 3-inch OD and 3/4" NPT, the venting and piping dimensions for FOGATTI gas tankless water heater are compatible with most households. Professional installation is recommended for best performance
- Compact Design: Measuring 22.76” H x 14.57”W x 7.0”D and requires 120V AC, it saves over 50% more space compared to traditional tank heaters. you can install it in most corners of your home
CA$799.00
2
Best Value

✖
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
4

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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, 4.74GPM 18L Indoor,Instant Hot Propane Gas Water Heater,Constant Propane Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)

DWALE

CA$299.99

More Details
Main highlights
- 【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.
- 【Tankless Water Heater】-Propane 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,4.74gallons of hot water can be output per minute.The maximum temperature raise is 167°F,Applicable only Propane（LPG)
- 【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.
- 【Efficient & Energey Saving】-The 4.74 GPM Instant Propane Water Heater ,Maximum power output 68000btu/hour,on-demand hot water for 2-3 points simultaneous water supply for bathroom,kitchen hot water demand， Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.
- 【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.
CA$299.99
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.

BreeRainz

BreeRainz Tankless Water Heater Propane,Up to 16L/4.23 GPM,105,750 BTU Instant Hot On Demand Water Heater for Homes and Commercial Settings (110V Plug Powered)

BreeRainz

CA$409.99

More Details
Main highlights
- [ Slim Design ] Ultra-thin 59×35×15cm profile saves 50% space versus traditional heaters, ideal for homes, apartments, and commercial use.(Tip: In cold climates, drain residual water via the pressure valve if unused for extended periods.)
- [ Premium Materials, Built to Last ] Our BreeRainz Propane water heater tankless features an oxygen-free copper tank for superior heat conduction and extended durability. Paired with a sleek glass-touch LED panel, it enables effortless temperature adjustment (35°C-65°C) through intuitive
- [ Instant Hot Water, Powerful Flow ] With a high flow rate of 4.23 GPM and 105,750 BTU heating capacity, this Tankless Water Heater delivers stable hot water simultaneously to 2-3 outlets (e.g., showers, kitchen) for uninterrupted comfort.
- [ Easy Installation & Use ] Applicable only Propane（LPG), featuring standard 3/4" NPT water and gas inlets. Includes exhaust pipe and showerhead for quick setup.(Note: For optimal performance, certified professional installation per local codes is recommended. Must be installed in well-ventilated areas.)
- [ 5 Smart Modes, One-Touch Control ] Kitchen Mode (45°C),Bath Mode (50°C),ECO Mode (42°C),Smart Temp Mode (40°C auto-adjust),Flow Mode (8-16L/min customizable)
CA$409.99

5 Best Propane Tankless Water Heaters of 2025

FOGATTI Propane Tankless Water Heater, Up to 5.1 GPM, 120,000 BTU Indoor Installation Instant Hot Water Heater, InstaGas Classic 120 Series

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

Tankless Water Heater Propane, 4.74GPM 18L Indoor,Instant Hot Propane Gas Water Heater,Constant Propane Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)

BreeRainz Tankless Water Heater Propane,Up to 16L/4.23 GPM,105,750 BTU Instant Hot On Demand Water Heater for Homes and Commercial Settings (110V Plug Powered)

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