10 Best Outdoor Tankless Water Heater Electric In Canada

Last updated on 04-04-2026
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Best Choice
1
9.8
Exceptional
Tankless Water Heater Electric, thermomate 14kW at 240 Volt, On Demand Instant Hot Water Heater for Shower, Self-Modulating Save Energy, Save Space, 2.66GPM at 35°F Rise ET140
thermomate

Tankless Water Heater Electric, thermomate 14kW at 240 Volt, On Demand Instant Hot Water Heater for Shower, Self-Modulating Save Energy, Save Space, 2.66GPM at 35°F Rise ET140

Why we love it
  • Instant unlimited hot water.
  • Saves money and space.
  • Smart operation and safety protection.
Main Highlights
  • [On Demand Endless Hot Water] - Provide continuous endless hot water for residential house use. 24 hours standby. 14kW powerful heating support up to 2 faucets & 1 shower and large 2.66GPM at 35°F temperature rise. electronic temperature control adjustable in 1-degree increments from 86 to 131°F. Requires Double Pole 60Amp breaker
  • [Leak Proof & Maintenance Free] - The first to use cast aluminum heating chamber, Heating element separated from water lines to prevent water leaking and scale & corrosion on heating element, ensuring high heating efficiency and extending usage life span
  • [Save Money and Space] - Self-modulating technology auto regulating the amount of energy required to heat water by continuously detecting water temperature and flow rate with 99% heating efficiency, saving up to 60% on water heating cost comparing to traditional tank water heater. 1/2"NPT connections and wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces
  • [Easy Installation & Safety Protection] - ETL Listed to UL-499 and CAN/CSA-C22.2 No. 64 with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection
  • [Installation] - 14 kilowatts at 240V draws max 58amp, 1/2” NPT male ports, 6AWG wire to 60AMP Double-pole breaker, ideal for providing hot water for a bathroom, small sink, office break room and other point-of-use or low-flow applications
9.8
Exceptional
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Best Value
2
9.7
Exceptional
KEMIMOTO Tankless Water Heater Outdoor 1.32GPM with Independent Water Pump，4 Fold Protection, 5L Camping Portable Instant Water Heater for RV, Hunting, Off-Grid Living
kemimoto

KEMIMOTO Tankless Water Heater Outdoor 1.32GPM with Independent Water Pump，4 Fold Protection, 5L Camping Portable Instant Water Heater for RV, Hunting, Off-Grid Living

Why we love it
  • Portable and easy to install.
  • Highly efficient hot water supply.
  • Safety features for peace of mind.
Main Highlights
  • 【Multi-scenario adaptability】: With its unique detachable handle design, simply open the handle to hang the KEMIMOTO tankless water heater on branches or protruding surfaces for use
  • 【1 Independent Water Pump】: Includes a 1.2 GPM independent water pump with the unit, eliminating the need for separate purchase. Simply connect according to the instructions for use
  • 【Rapid Heating】: After connecting to gas, outdoor tankless heater delivers hot water within 15-60 seconds (time varies with ambient temperature), minimizing wait times in cold weather
  • 【Overheat Protection】: When water temperature reaches approximately 194°F (90°C), the KEMIMOTO tankless heater automatically shuts off to reduce scalding risks
  • 【Leak Protection】: Automatically shuts off when internal sensors fail to detect gas flow, preventing explosions from leaks
  • 【Overpressure Protection】: Built-in drain valve automatically releases excess water pressure during camping use, extending pipe lifespan
  • 【Portable & Lightweight】: Compact design of camping gas water heater weighs only 11 lbs, saving space and effort during transport
  • 【Item List】: 3 water pipes, 1 water pump, 1 showerhead (with base), 1 G1/2 inlet adapter, and installation kit with additional parts
9.7
Exceptional
Amazon Logo
3
9.5
Superb
CAMPLUX Tankless Water Heater Electric 14kW 240 Volt, On Demand Instant Hot Water Heater with Self-Modulating Save Energy, Save Sapce, ETL Certificated, White
CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Tankless Water Heater Electric 14kW 240 Volt, On Demand Instant Hot Water Heater with Self-Modulating Save Energy, Save Sapce, ETL Certificated, White

Why we love it
  • Endless hot water in seconds.
  • Sleek, compact, space-saving design.
  • Energy-efficient and cost-effective solution.
Main Highlights
  • On Demand Endless Hot Water- The on demand tankless hot water heater unlike a traditional water heater, you don't have to wait more than 3 seconds to get plenty of hot water for your shower. Take a shower whenever you like at home and the most crucial thing is to save a lot of time
  • Space-saving Design- The wall-mounted design looks stylish and compact. Up to 91.55% smaller than other electric water heaters. Dimensions 9.76" x 13.9" x 2.56". Convenient for any space, e.g. cabinets, bathrooms, garages, basements, and other tight space
  • Fast Heating & Save Money- With self-modulating and 99.98% efficient, electric tankless water heater 14kW providing fast heat-up and consistent, steady temperature output. Allows you to set and maintain the desired temperature in 1°F increments from 86°F to 131°F. Separation of the heating element from the plumbing keeps your maintenance costs low. Saving up to 60% on water heating costs
  • Easy Installation- The whole house tankless water heater without a tank, save up to 90% installation time. 360° rotation without reset of the knob to regulate the temperature for convenient operation
  • Safety Protection- In accordance with ETL certified with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection, ensuring the safe use of you and your family. CAMPLUX offers 2-year support for parts and 24/7 customer services
9.5
Superb
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4
9.4
Superb
ThermoMate Electric Tankless Water Heater, 11kW 208~240 Volt, On Demand Instant Hot Water Heater, Self Modulating Energy Saving, Save Space, 2.15GPM at 35°F Rise
thermomate

ThermoMate Electric Tankless Water Heater, 11kW 208~240 Volt, On Demand Instant Hot Water Heater, Self Modulating Energy Saving, Save Space, 2.15GPM at 35°F Rise

Why we love it
  • Endless on-demand hot water.
  • Long-lasting and no leaking.
  • Space-saving and cost-efficient.
Main Highlights
  • [Endless On Demand Hot Water] - Consistent hot water that never runs out when you need it. Continuously detect water temperature and flow rate to ensure efficient heating and stable performance within 1°F of your selected temperature. Requires 60Amp breaker (2 Sets of Double-pole 30AMP Breakers)
  • [Last Long & No Leaking] - Alloy metal housing & water ports, heating element separated from water tube significantly reducing scale, corrosion and mineral buildup on the element, achieving better performance and low maintenance.
  • [Save Money and Space] - Self-modulating technology regulating the amount of energy required to heat water only when you need it with 99% efficient, saving up to 60% on water heating cost comparing to traditional tank water heater. Wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces
  • [Easy Installation & Safety Protection] - ETL certified with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection
  • [Installation] - 11 kilowatts 208 ~ 240V adjustable draws max 46amp, 1/2” NPT male ports, 12AWG wire to 2 x Double-pole 30AMP breakers, ideal for providing hot water for a bathroom, small sink, office break room and other point-of-use or low-flow applications
9.4
Superb
Amazon Logo
5
9.2
Superb
Tankless Water Heater 4.74GPM 18L Outdoor Portable Gas-Fired Geyser Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
DWALE

Tankless Water Heater 4.74GPM 18L Outdoor Portable Gas-Fired Geyser Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

Why we love it
  • Endless hot water anywhere.
  • Energy efficient and lightweight.
  • Complete accessories included.
Main Highlights
  • 【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, over heating protection,Just need 3.6PSI of water pressure,4.74 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane（LPG)
  • 【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68,000btu/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.
  • 【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 24.2x5.9x13.4 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.
  • 【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet.
  • 【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.
9.2
Superb
Amazon Logo
6
9.0
Superb
Save 14%
CAMPLUX Tankless Water Heater Electric 4.5kW 120V Undersink Instant Water Heater, Point-of-Use, Save Space for Sink Faucet, Wall Mounted LED Digital Display CSA Certified
CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Tankless Water Heater Electric 4.5kW 120V Undersink Instant Water Heater, Point-of-Use, Save Space for Sink Faucet, Wall Mounted LED Digital Display CSA Certified

14% Off
Why we love it
  • Instant hot water availability.
  • Energy-efficient performance design.
  • Compact size for versatile placement.
Main Highlights
  • 【Point of Use Hot Water】 The under sink water heater only heats the water when you need it and no waiting to preheat, saving up to 50% in energy consumption. The temperature rise of 1.0 GPM is 50°F. Easy to get hot water in 3 seconds
  • 【Save Energy】 Electric tankless water heater adopts a self-modulating design and adjusts power input based on flow rate and temp setting in real-time. Saving up to 99.8% in energy consumption
  • 【Save Space】 With a mini size of 10.95W×2.52H×7.4D inch, mounted multi-angled in small spaces throughout the kitchens, wet bars, schools, hospitals, hair salons, and boats
  • 【ETL Listed Safety Guarantee】 Safety features include overheating protection, dry heating protection, and electrical leakage protection. Inner water and electricity lines are designed to run separately to avoid leakage or harm from scale build-up
  • 【Convenient Use】 Touch control panel and LED digital temperature display, easy to set your desired temp. The minimum water flow for activation just needs 0.26 GPM (Only for one sink). MUST HARD WIRED, NO PLUG. Drawing only 110-120 Volts
  • 【Note】 Make sure this unit is the right size for you: 4.5kW@120V, requiring 40A Circuit Breaker, 10AWG wire size and 1/2"NPT water connection. 2-year limited warranty and 24/7 customer support services
9.0
Superb
Save 14%
Amazon Logo
7
8.8
Excellent
Save 15%
Tankless Water Heater Outdoor 4.21GPM, 16L Portable Gas-Fired Instant Shower, Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat, Cabins, RV, Barns
DWALE

Tankless Water Heater Outdoor 4.21GPM, 16L Portable Gas-Fired Instant Shower, Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat, Cabins, RV, Barns

15% Off
Why we love it
  • Instant endless hot water available.
  • Advanced safety features included.
  • Compact and portable design.
Main Highlights
  • 【Premiun Water Heater】-Maximum power output 68000BTU/Hr, you will get instant endless hot water easily wherever you are. The maximum temperature raise is 167 °F (75 °C). Just need 3.6PSI of water pressure,4.21 gallons of hot water can be output per minute.This propane water heater is for propane(LPG) use only.
  • 【Advanced Safety & Energy Efficiency】-The Tankless Water Heater with more safety protection such as flame failure device, anti-freezing protection,over heating protection. The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
  • 【Portable Design】- Featuring a compact, space-saving profile (21.65" H x 13.4" L x 5.9" W), the portable water heater is built for easy transport and setup. It's the ideal on-demand hot water solution for your RV, cabin, camping showers, or washing pets.
  • 【Complete Accessories】-This tankless water heater comes with CSA certified Gas Regulator, 5 Spray Modes high pressure Shower Head with 59"(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet.
  • 【Maintenance Tips】Before installing this camping water heater, carefully read the instruction manual. Always check for gas leaks before use. This camping water heater is recommended to use and store this water heater in a dry environment.
8.8
Excellent
Save 15%
Amazon Logo
8
8.7
Excellent
Tankless Water Heater Propane, 1.58GPM 5L Portable Instant Hot Water Heater, Outdoor Use for RV, Camper Van, Camping Trailer, Cabin, Barn, Pool,Black
FVSTR

Tankless Water Heater Propane, 1.58GPM 5L Portable Instant Hot Water Heater, Outdoor Use for RV, Camper Van, Camping Trailer, Cabin, Barn, Pool,Black

Why we love it
  • Instant hot water availability.
  • Compact and portable design.
  • Easy installation and setup.
Main Highlights
  • 【Instant Hot Water & Energy Saving】Experience the luxury of endless hot water in seconds! This 1.58 GPM (6L/min) tankless water heater features advanced combustion technology to reduce gas consumption and noise. Switch between Summer/Winter modes to adjust the burner rows, ensuring optimal comfort while saving energy throughout the Canadian seasons.
  • 【Ultra-Low Pressure Startup】 Designed for the rugged outdoors, our propane heater ignites at a minimum water pressure of just 2.5 PSI. Whether you are using a 12V pump in a remote cabin or a low-pressure garden hose at a campsite, the FVSTR ensures a steady flow of warmth where others fail to spark.
  • 【CSA Certified & Multi-Layer Safety】 Your safety is our priority. This unit is CSA certified and equipped with comprehensive protection: Flame-out protection, Overheat protection (at 75°C/167°F), Low water flow protection, and a 20-minute safety shut-off timer. Includes a premium CSA-approved gas regulator and hose for a secure, leak-free connection.
  • 【Compact, Portable & Versatile】 With a lightweight body and a sturdy foldable handle, it’s built for life on the move. Perfectly suited for RV life, off-grid cabins, or lakeside cottages. It's not just for showers—it's the ultimate tool for a warm horse wash after a trail ride or rinsing off your muddy pets in the backyard.
  • 【Complete Outdoor Shower Kit】 Everything you need is in the box! Comes with a high-pressure shower head (with ON/OFF switch), a 5ft shower hose, and all necessary mounting hardware. Powered by 2 "D" cell batteries (not included), making it truly independent from the electric grid. Note: For winter use, please drain the water via the drain plug to prevent freezing damage.
  • 💘Our customers service will solve all your installation and issues as soon as possible. We promise a 2-year replacement only service, and you can contact us at any time support@fvstrappliance.com
8.7
Excellent
Amazon Logo
9
8.7
Excellent
Tankless Water Heater Outdoor, 1.58 GPM, 6L Portable Propane Camping Water Heater with Overheating Protection for Indoor,RV,Camping
GasBRUH

Tankless Water Heater Outdoor, 1.58 GPM, 6L Portable Propane Camping Water Heater with Overheating Protection for Indoor,RV,Camping

Why we love it
  • Lightweight for easy portability.
  • Efficient energy savings and sustainability.
  • Comprehensive safety protection features.
Main Highlights
  • Note: The blue inlet hose is not included. Please prepare a compatible water inlet hose separately.（ This product might be misclassified as non-returnable items. If you encounter any issues with returns, please contact us directly using the information on the case. We will assist immediately you with processing a replacement or refund）
  • Lightweight & Portable Water Heater : The 10 pounds lightweight portable water heater's folding handle keeps it out of the way and enables easy carry. Use the handle of the portable propane water heater or the mounting bracket on the back to hang it. It is idea for outdoor showers.
  • Efficient & Eco-Friendly Propane Water Heater: Our propane tankless water heater with cutting-edge combustion innovation, delivers a robust 41,000 BTU/hour output while minimizing fuel usage and operational noise. Whether you're on the road or off-grid, relish the luxury of continuous, on-demand hot water. Plus, with our energy-efficient design, you'll enjoy up to 10% savings on energy costs, making every journey more sustainable and economical.
  • 6-in-1 Protection Outdoor Water Heater: GasBRUH water heater is 6-in-1 Protection, including anti-freezing protection, over-heating protection, low water flow protection, dry combustion protection, high water pressure protection and flame failure device.
  • Versatile Portable Water Heater: This portable camping water heater is perfect for outdoor showers or off-grid living, providing you with a fantastic hot water experience while camping, hiking, fishing, or relaxing at the beach. It's also ideal for use with a portable hot water sink, RV, SUV, or MPV. Plus, you can conveniently use it to wash your pets with ease
  • Installation and Usage tip: Read the instructions before install the camping water heater，Always check gas leakage before operation. The minimum starting water pressure for the water heater is 3.6 PSI. The temperature reaches 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) at its lowest point at a flow rate of 1.58 GPM for our water heater.
8.7
Excellent
Amazon Logo
10
8.7
Excellent
Save 10%
Tankless Water Heater Electric for Sink Faucet, ThermoMate 4500W 110~120V Small Point of Use Instant Hot Water Heater CSA Approved with Temperature Display, Self-modulating, 0.85GPM at 35°F Rise
thermomate

Tankless Water Heater Electric for Sink Faucet, ThermoMate 4500W 110~120V Small Point of Use Instant Hot Water Heater CSA Approved with Temperature Display, Self-modulating, 0.85GPM at 35°F Rise

10% OffLimited-time deal
Why we love it
  • Instant hot water at fingertips.
  • Energy-efficient self-modulating system.
  • Compact design saves valuable space.
Main Highlights
  • [Instant Sink Hot Water] - 4.5kw power heating system provides on demand hot water in seconds for point-of-use applications, perfect for under / over sink faucet. Temperature range from 85°F - 131°F. 24 Hours standby. 0.26GPM-1.0GPM
  • [Self-modulating Power] - Regulating the amount of energy required to heat water only when you need it with 99.8% efficient. 110-120V Hardwired
  • [Long-lasting Quality] - Cast aluminum heating element separated from water line, significantly reducing scale, corrosion and mineral buildup. SUS 304 stainless steel water tube
  • Sleek Compact Size - 10.95" x 7.4" x 2.52", Small water heater fit in tight places within your home or business, like under cabinets and sinks, hair salons, bar counters and hotel receptions, saving valuable storage space
  • Touch control panel and digital temperature display allowing adjustment in 1° increment. IP25 waterproof, Standard 1/2"NPT pipe fitting, pre-wired pigtail for easy installation
  • Important Note - Please verify this unit is the right size for you: 4.5kW 120V ONLY Hardwired, requiring 40A Double Pole Circuit Breaker, 10AWG min wire size and 1/2"NPT water connections
8.7
Excellent
Save 10%
Limited-time deal
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Related Deals You Might Like for Outdoor Tankless Water Heater Electric

📊We scanned 1421 products
🔍
We reviewed the most relevant Outdoor Tankless Water Heater Electric offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like thermomate, kemimoto, CAMPLUX ENJOY OUTDOOR LIFE, DWALE, FVSTR, GasBRUH, known for dependable quality and smart design.
⭐
To determine today's best Outdoor Tankless Water Heater Electric, we analysed 7106 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
Tankless Water Heater Electric, thermomate 14kW at 240 Volt, On Demand Instant Hot Water Heater for Shower, Self-Modulating Save Energy, Save Space, 2.66GPM at 35°F Rise ET140

Our overall winner is Tankless Water Heater Electric, thermomate 14kW at 240 Volt, On Demand Instant Hot Water Heater for Shower, Self-Modulating Save Energy, Save Space, 2.66GPM at 35°F Rise ET140 by thermomate. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Instant unlimited hot water
✓Saves money and space
✓Smart operation and safety protection
💎 Best Value
KEMIMOTO Tankless Water Heater Outdoor 1.32GPM with Independent Water Pump，4 Fold Protection, 5L Camping Portable Instant Water Heater for RV, Hunting, Off-Grid Living

The best value for most shoppers is KEMIMOTO Tankless Water Heater Outdoor 1.32GPM with Independent Water Pump，4 Fold Protection, 5L Camping Portable Instant Water Heater for RV, Hunting, Off-Grid Living by kemimoto, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Tankless Water Heater Outdoor 4.21GPM, 16L Portable Gas-Fired Instant Shower, Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat, Cabins, RV, Barns

The strongest deal right now for Outdoor Tankless Water Heater Electric is Tankless Water Heater Outdoor 4.21GPM, 16L Portable Gas-Fired Instant Shower, Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat, Cabins, RV, Barns at DWALE, currently at 15% off.

🔄Our Outdoor Tankless Water Heater Electric ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.