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10 Best gpm tankless water heater in Canada
Best Choice01BoschBosch Greentherm T9800 SE 160 Tankless Water Heater, 9 GPM Whole Home Hot Water System, Natural Gas or Propane Compatible, High-Efficiency Condensing Design, Indoor Wall Mount
Main highlights- Save Valuable Space Compact wall-mounted design frees up floor space while delivering powerful whole-home performance.
- Reduce Energy Waste High-efficiency condensing technology heats water only when needed, helping reduce standby energy losses compared with traditional tank water heaters.
- Natural Gas or Propane Flexibility Compatible with both natural gas and liquid propane installations, making it easier to integrate into existing home systems.
- Endless Hot Water for Large Homes Delivers up to 9 gallons per minute, providing continuous hot water for multiple showers, appliances, and faucets at the same time without waiting for a storage tank to recover.
- Advanced Comfort & Safety Controls Features electronic ignition, freeze protection, temperature stability control, onboard diagnostics, and digital temperature adjustment for dependable operation.
9.9Exceptional
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Value for Money02GASLANDGASLAND Gasmart E 199000 BTU Tankless Water Heater, Up to 7.6 GPM, Whole House Natural Gas Indoor Installation Residential On-Demand Instant Hot Water Heater, CE686NG
Main highlights- Unlimited Hot Water On Demand -- Unlike traditional tank water heaters, our tankless gas water heater provides unlimited hot water whenever you need it. No more waiting for the water to reheat — enjoy continuous hot water for showers, laundry, or washing dishes without interruption.
- U.S.-Based Customer Support & Warranty -- We stand behind our products with a comprehensive warranty. If your water heater stops working within a year, we’ll replace it for free. Our dedicated U.S.-based customer support team is always ready to assist you with any questions.
- Space-Saving Design & Easy Installation -- Say goodbye to bulky water tanks! Our compact, suitcase-sized design fits easily into small spaces like closets, basements, or laundry rooms. Enjoy more room for your home while our easy-to-install wall-mounted unit provides on-demand hot water wherever you need it.
- Long-Lasting Durability & Reliability -- Built to last, our tankless water heater has a lifespan twice that of traditional tank heaters. With fewer parts and no tank to leak, it’s easier to maintain and repair. Plus, it’s designed for year-round reliability with built-in safety features like overheat protection, flame-out protection, and freeze protection.
- Energy Efficient & Eco-Friendly -- With an industry-leading UEF of 0.8, our tankless water heater is 34% more energy-efficient than a 50-gallon tank water heater, whose UEF is only 0.6. Save on your energy bill while reducing NOx greenhouse gas emissions by 65% compared to a 50-gallon gas tank. It’s better for the environment and your wallet!
9.8Exceptional
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- 03CAMPLUX ENJOY OUTDOOR LIFE
Camplux 5L Portable Propane Gas Tankless Water Heater, 1.32 GPM Tankless Water Heater with 1.2 GPM Water Pump, Black
9.7Exceptional
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- 04GASLAND
GASLAND 6L 1.58GPM Portable Propane Tankless Water Heater with 1.6 GPM Water Pump
9.6Exceptional
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- 05DWALE
Propane Tankless Water Heater, 4.74 GPM 18L Indoor, Instant Hot Propane Gas Water Heater with Multi-Protection
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 4.74 gallons of hot water per minute. With a maximum temperature rise of 65°C(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 35°C(95°F) and 65°C(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 4.74 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, and a 2.5" horizontal vent pipe for easy installation. For safe operation, ensure proper ventilation and install a smoke exhaust pipe as required.
9.4Excellent
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- 06GASLAND
GASLAND 1.58GPM 6L Portable Propane Tankless Water Heater with 1.6 GPM Water Pump and 1/2" Twist-On Pipe Strainer,BE158BP60
Main highlights- [Package Contents] The package includes GASLAND BE158B tankless water heater, CSA-certified gas regulator and hose, 5-foot on/off switch shower head, 12v water pump, 1/2 inch Twist-on water strianer, mounting hardware, garden hose adapter, and instruction manual.
- [LED Display and Maintenance Tips] The temperature display is illuminated so that the water is neither too hot nor too cold. Designed for outdoor portability, the water heater is splash-proof and can withstand a light drizzle, but prolonged exposure to rain or water will cause internal components to deteriorate.We advise utilizing and storing your water heater in a dry environment. Please drain the water for the winter by removing the drain plug and store it in a warm, dry location.
- [Good for Off the Grid] This heater uses a standard 20-pound liquid propane tank andfeatures an electronic ignition that is fueled by two D-cell batteries. Can be utilized while camping, in RV, hunting, poolside, washing pets or horses, cleaning a vehicle,or even in a tiny house, greenhouse, or cabin.
- [Advanced Safety Protection System] With CSA certification, the product meets both the Canadian and American safe standards. Contains protections against overheating, low water flow, dry combustion, freezing, high water pressure, and flame failure.
- [1.58 GPM/6L Propane Water Heater] With a maximum output power of 41000 BTU/hour, the temperature raise is 109.4℉ (43℃) at its highest point and is 55.4℉ (13℃)at its lowest point of 1.58 GPM. Additionally, 1.58 gallons per minute of hot water can be produced at a flow rate of 1.58 GPM. Low water pressure start-up, requiring only 3.6 PSI of water pressure.
9.3Excellent
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- 07Somokg
RV Tankless Water Heater 12V, 65,000 BTU Propane Powered Instant Hot Water, Includes 15''×15'' Lockable Door & Remote, Anti-Freeze & High Altitude, CSA Certified for Safe Off-Grid Camping
Main highlights- SMART IGNITION & PROPANE SAVING: This RV on demand water heater automatically ignites and shuts off with your faucet, reducing propane waste and saving energy. Automatic seasonal flame adjustment prevents overheating in summer and chills in winter, perfect for sustainable off-grid living.
- PRECISE CONTROL & DUAL WATER OUTLETS: This RV hot water heater includes an LED controller with temp control, self-diagnosis, and a memory function that saves temp settings. Dual outlets let you use hot water indoors while washing gear or pets outside — keeping dirt out of your RV.
- LEAK-RESISTANT FOR HARSH USE: This tankless water heater for camper features a 1.5kg heavy-duty copper heat exchanger with 30% thicker elbows, withstands freezing temperatures without cracking or leaking. Widened gas nozzles ensure reliable ignition at altitudes up to 9840ft, even under extreme cold, low gas or water pressure.
- INSTANT & ENDLESS HOT WATER: This RV tankless water heater delivers up to 3.9 GPM and heats water in just 3 seconds, with precise ±1°F temperature control for consistent, continuous showers — no waiting, no cold bursts.
- CSA CERTIFIED & UNIVERSAL FIT: CSA certified with a forced-exhaust fan system for safe ventilation, reducing the risk of gas buildup in enclosed RV spaces. Designed for standard 13"×13" openings and includes a 15"×15" door for wider compatibility with most RVs, trailers, campers.
9.1Excellent
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- 08CAMPLUX ENJOY OUTDOOR LIFE
CAMPLUX Pro 6L 1.58 GPM Outdoor Portable Propane Tankless Water Heater with 1.2 GPM Water Pump
8.9Very Good
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- 09GASLAND
GASLAND Compact Propane Tankless Water Heater Indoor, Up to 4.22 GPM 102,000 BTU On-Demand Instant Hot Water Heater, Extremely Compact, Ultra Quiet, More Stable Temp for Residential Use, CG422LP
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.
8.7Very Good
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- 10FOGATTI
FOGATTI RV Tankless Water Heater, InstaShower 8 Plus, Gen 2, with 15 x 15 inches Black Door and Remote Controller, DC 12V, Best High Altitude Performance, Ideal for RVers' Everyday Use
10% Off8.6Very Good
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