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10 Best tankless water heater natural gas in Canada
Best Choice01RinnaiRINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.
25% Off Free ShippingMain highlights- Smart Sense -Gas Control System
- Smart Connect - Rinnai Central App - Setup, Service & Troubleshoot
- Quick Flush - Simplified Flushing
- One model - Indoor/Outdoor, Natural Gas/Propane
- Industry leading 2" venting up to 75 feet; Recirculation: Field convertible with Internal Pump kit; Versa Vent - Outdoor Vent Adaptor and Lime Detection
9.9Exceptional
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- 02Rinnai
RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation
9.6Exceptional
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- 03Ranein
Ranein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Free ShippingMain 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. 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 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.
9.5Excellent
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Value for Money04thermomateThermoMate 113,000 BTU 4.7 GPM Natural Gas Tankless Water Heater, High Efficiency Instant On-Demand Hot Water for Whole House Use, Indoor Residential Water Heater with Multi-Point Simultaneous Heating
Free ShippingMain highlights- [Smart Diagnostic Display] - Equipped with a 3.5-inch LED touchscreen, it allows you to effortlessly adjust and monitor output water temperature（90°F to 140°F）while providing real-time tracking of water flow, fan operation, and flame status. Advanced error code technology enables rapid diagnosis of water heater malfunctions. The UL-certified 120V/5-foot power cord ensures continuous power supply for real-time monitoring systems.
- [Safety & Reliable] - The gas tankless water heater comes standard with a range of safety features including boil-dry burning protection, Freeze protection, Flame out protection, Overheating Protection, Over temperature protection, Timeout protection, Pipe blockage protection, High-Temperature Lock Protection, Excessive Air Pressure Protection.
- [Energy Efficient & Save Money] - The heat exchanger is constructed from high-quality oxygen-free copper, providing superior thermal conductivity and corrosion resistance compared to stainless steel. It achieves a thermal efficiency of 98% (vs. 80% for stainless steel models) and boasts a uniform energy factor (UEF) of 0.81. This design reduces energy waste, lowering annual operating costs by approximately 30% versus traditional systems.
- [Easy to Install & Save space] - The whole house tankless water heater features standard 3/4" NPT water inlet/outlet connectors, a 1/2" NPT gas inlet, a 3" OD vent, and a UL-approved 120V plug, ensuring compatibility with most households. With its compact dimensions of 21"H x 13"W x 7"D, the on-demand water heater requires less than one-third of the space occupied by traditional tank models, freeing up valuable room in your home.
- [4.7 GPM & 113,000 BTU] - The ThermoMate instant hot water heater delivers consistent hot water to 3-4 fixtures simultaneously, allowing you to have unlimited hot water on demand. No waiting time, no cold water shocks, perfect for busy households. Adopting advanced water flow sensor, the built-in chip can adjust the heating power 20,000 times per second, ensuring that the hot water within ±1℉ fluctuations for a comfortable shower experience.
9.4Excellent
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- 05DWALE
Tankless Water Heater Natural Gas,Instant Hot Gas Water Heater,Indoor 3.18 GPM,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)
Free ShippingMain highlights- 【Widely Application 】-Constant Water Heater It is only 1/6 the size of a 50 gallon 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】-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,3.18gallons of hot water can be output per minute.The maximum temperature raise is 149°F,Applicable only Natural Gas（LNG)
- 【Quality Material】-This of ours Water Heater Crafted from stainless steel, our water heater exhibits high temperature resistance and corrosion resistance. It also features a built-in oxygen-free copper water tank, ensuring a prolonged service life.with Fahrenheit Digital Display smart digital LED display featuring a large high-definition screen, effortlessly adjust the temperature between 86°F-149°F according to your preferences.
- 【Efficient & Energey Saving】-The 3.18 GPM Instant Natural Gas Water Heater，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.
- 【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.
9.3Excellent
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- 06CAMPLUX ENJOY OUTDOOR LIFE
CAMPLUX Tankless Water Heater Natural Gas, CX422 4.22GPM/102,000BTU Indoor Gas Water Heater, On-Demand Gas Instant Hot Water Heaters, Climatech 3 Series, CX422, White
Free ShippingMain highlights- Space-Saving Solution: Saves over 200% more space than traditional tank heaters. Great for small spaces. Maximizes your living space, especially beneficial for those with limited room.
- Precise Temperature Assurance: Advanced technology for precise temperature control within ±1℉. Consistent showers. Gives you a comfortable and consistent shower experience every time.
- Long-Lasting & Energy-Efficient: Built to last with a 5-year lifespan and efficient heat exchanger. Saves energy. Offers durability and reduces your energy bills in the long run.
- Endless Hot Water Supply: Gas tankless water heaters provides 4.22 GPM endless hot water on demand for 2- 3 water points, ensures you never have to wait for hot water, saving time and convenience for busy households.
- Easy Installation Option: Easy to install with standard connections- 1/2" NPT gas and 3/4" NPT water connections and UL-approved plug. Saves you installation hassle and costs.
- Cold Weather Protection: 4 heating modules for anti-freeze protection below 39°F. Reliable in cold climates. Keeps your water heater working even in freezing temperatures, ensuring you have hot water all year round.
9.2Excellent
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- 07FOGATTI
FOGATTI Tankless Water Heater Natural Gas, Indoor Installation Up to 5.1 GPM, 120,000 BTU Instant Hot On Demand Water Heater for Homes, Apartments and Commercial Settings, InstaGas Classic 120 Series
Free ShippingMain 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 natural gas 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 gas 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
9.1Excellent
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- 08ONSEN
ONSEN 26L Propane Residential Tankless Water Heater - 6.9 GPM, 180K BTU Indoor Heater with Direct Vent System - Freeze Protection, Electronic Ignition - Up to 60°C Heat, CSA-Approved for USA & Canada
Free ShippingMain highlights- Meets CSA Standards - CSA-approved for the USA and Canada, our tankless hot water heater comes with key safety features, such as freeze protection and auto-shutdown in case of accidental flameouts.
- Instant Hot Water Anytime - Ideal for homes, townhouses, or cottages with 2 bathrooms, our direct vent propane water heater heats up to 6.9 gallons of water per minute, giving you unlimited hot water on demand.
- Energy Savings - With an average power consumption of 48W, our 120V propane tankless water heater uses electronic ignition with no pilot light. This makes sure that the heater only operates when needed.
- Easy to Use - We designed this instant water heater with your convenience in mind. The heater features a digital control panel and LED screen, plus three preset heating modes for customised temperature control.
- Direct Vent System - Our water heater is equipped with a direct vent system, which draws outside air to burn gas efficiently. This allows installation inside smaller areas, such as closets - Wall vent & air intake kits (3" dia.) not included.
9.0Excellent
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- 09DWALE
Tankless Water Heater Natural Gas,Instant Hot Gas Water Heater,Indoor 3.18 GPM,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (White)
Free ShippingMain highlights- 【Widely Application 】-Constant Water Heater It is only 1/6 the size of a 50 gallon 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】-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,3.18gallons of hot water can be output per minute.The maximum temperature raise is 149°F,Applicable only Natural Gas（LNG)
- 【Quality Material】-This of ours Water Heater Crafted from stainless steel, our water heater exhibits high temperature resistance and corrosion resistance. It also features a built-in oxygen-free copper water tank, ensuring a prolonged service life.with Fahrenheit Digital Display smart digital LED display featuring a large high-definition screen, effortlessly adjust the temperature between 86°F-149°F according to your preferences.
- 【Efficient & Energey Saving】-The 3.18 GPM Instant Natural Gas Water Heater，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.
- 【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.
8.9Very Good
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- 10Rinnai
New Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 7.1 GPM, 130,000 BTU
Free ShippingMain highlights- Smart, Efficient Design: This water heater's modern design includes an easy-to-use interface, Quick Flush feature for simplified flushing, as well as a super-high energy efficiency factor of UEF .97; See Controlr module for WiFi control (not included)
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to find a qualified technician to install your tankless water heater, and use the Rinnai Central App for help with setup, service & troubleshooting; We do not recommend installing a water heater without a technician
- One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
- Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 7.1 GPM (4 fixtures at once)
- Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater size for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
8.8Very Good
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