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10 Best uef water heater in Canada
Best Choice01RinnaiRINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
Main highlights- Smart Sense -Gas Control System
- Smart Connect - Rinnai Central App - Setup, Service & Troubleshoot
- Smart Circ - Self-Learning Intelligent Recirculation
- Quick Flush - Simplified Flushing; Recirculation: Inbuilt Wireless Push Buttons Activation; 4-Speed High Efficiency DC Recirculation Pump and Industry leading 2" venting up to 75 feet
- One model - Indoor/Outdoor, Natural Gas/Propane
9.8Exceptional
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- 02Rinnai
RINNAI RXP160iN Condensing Tankless Water Heater Features 0.95 UEF with 160k BTU and Pump.
Main highlights- Smart Sense -Gas Control System
- Smart Connect - Rinnai Central App - Setup, Service & Troubleshoot
- Smart Circ - Self-Learning Intelligent Recirculation
- Quick Flush - Simplified Flushing; Recirculation: Inbuilt Wireless Push Buttons Activation; 4-Speed High Efficiency DC Recirculation Pump and Industry leading 2" venting up to 75 feet
- One model - Indoor/Outdoor, Natural Gas/Propane
9.7Exceptional
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- 03thermomate
ThermoMate 5.28GPM Condensing Tankless Water Heater, 0.91 UEF High Efficiency Instant On-Demand Hot Water for Whole House Use, Residential Indoor Propane Water Heater with Multi-Point Heating
Main 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] This gas tankless water heater integrates 9 protections: boil-dry, freeze, flame-out, overheating, over-temperature, timeout, pipe blockage, high-temperature lock, and excessive air pressure. Equipped with 4 ceramic heating cores, this tankless heater auto-activates frost protection when temperatures hit 41°F. The energy-smart system uses minimal electricity to generate gentle warmth, preventing pipe ice buildup without high energy costs.
- [High Efficiency & Dual Heat Exchanger] - This condensing tankless water heater delivers exceptional energy savings with a 0.91 UEF rating, its innovative dual-system pairs a corrosion-resistant stainless steel condensing heat exchanger with a highly conductive oxygen-free copper heat exchanger to maximize heat recovery. By capturing and reusing waste heat that traditional units lose, it operates with up to 30% greater efficiency—dramatically reducing energy consumption and saving you money.
- [Easy to Install & Save Space] - The indoor residential hot 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.
- [5.28 GPM & 114,000BTU] - 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.
9.6Exceptional
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Value for Money04RinnaiRINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.
Main 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
9.5Excellent
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- 05thermomate
ThermoMate CZ480NG 5.28GPM Condensing Tankless Water Heater, 0.86 UEF High Efficiency Instant On-Demand Hot Water Heater, Residential Indoor Natural Gas Water Heater with Multi-Point Heating
Main 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.
- [Save 15% & Dual Heat Exchanger] - With potential savings of 15% compared to non-condensing units, this condensing tankless water heater delivers outstanding 0.86 UEF efficiency, dramatically reducing energy usage and operational expenses. The innovative dual heat exchange system combines a condensing heat exchanger with highly conductive oxygen-free copper to capture waste heat that conventional units lose, maximizing recovery.
- [Safety & Reliable] - This natural gas tankless water heater integrates 8 protections: boil-dry, freeze, flame-out, overheating, over-temperature, pipe blockage, high-temperature lock, and excessive air pressure. Equipped with 4 ceramic heating cores, it auto-activates frost protection when temperatures hit 41°F (5℃). The energy-smart system uses minimal electricity to generate gentle warmth, preventing pipe ice buildup without high energy costs.
- [Discharge and Treatment of Condensate Water] - As a condensing unit, this water heater produces mildly acidic condensate water that you will need to discharge into a drain. We recommend installing an economical external condensate neutralizer kit (not included) at the drainage point. This simple add-on neutralizes the acid, protecting your pipes from potential corrosion.
- [5.28 GPM & 114,000BTU] - The 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. For a comfortable shower experience with hot water fluctuations within ±1℉, the built-in chip works with an advanced water flow sensor to adjust the heating power 20,000 times per second.
9.4Excellent
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- 06Rinnai
RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.
26% OffMain 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
9.3Excellent
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- 07Senville
Senville 50 Gallon (189L) Hybrid Heat Pump Electric Water Heater, 4.5kW High Efficiency Tank, Energy Star®
Main highlights- Long-Lasting Hybrid System – Backed by a 7-year parts warranty and 10-year compressor warranty, this hybrid heat pump water heater is built for durability, savings, and peace of mind.
- High Efficiency Performance – With a 3.75 UEF rating and a 69-gallon First Hour Rating (FHR), this hybrid water heater delivers reliable hot water while significantly lowering energy bills.
- Energy-Saving Hybrid Water Heater – Advanced heat pump water heater technology extracts heat from the air to warm water efficiently, cutting electricity use by up to 70% compared to a standard electric water heater.
- Certified Heat Pump Water Heater – UL Certified, AHRI Certified, and ENERGY STAR rated, ensuring your electric water heater meets the highest standards of safety, efficiency, and performance.
- 50 Gallon Electric Water Heater Capacity – Perfect for medium to large households, providing consistent hot water for showers, laundry, and dishes without running out.
9.2Excellent
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- 08GASLAND
GASLAND 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!
9.1Excellent
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- 09Rinnai
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
Main 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
9.0Excellent
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- 10thermomate
ThermoMate 113,000 BTU Natural Gas Tankless Water Heater, Up to 5 GPM, High Efficiency Instant On-Demand Hot Water for Whole House Use, Indoor Residential Water Heater with Multi-Point Heating
Main highlights- [Smart Diagnostic Display] - Easily adjust water temperature (90–140°F) and keep track of flow, fan, and flame status on the 3.5-inch LED display. Advanced error codes allow fast troubleshooting, while the UL-certified 120V/5-foot cord keeps the system powered and monitored at all times.
- [Safety & Reliable] - Certified by CSA (Certificate No. 80158678), this residential gas water heater features boil-dry, freeze, flame-out, overheat, over temperature, timeout, pipe blockage, high-temperature lock, and excessive air pressure protections for safe and dependable operation.
- [Max 5 GPM & 113,000 BTU] – The ThermoMate instant hot water heater delivers hot water on-demand for two showers at the same time, maintaining a stable 105°F (based on 65°F inlet temperature). No waiting, no cold-water interruptions—perfect for busy homes. Its smart flow sensor and control chip adjust heating 20,000 times per second, ensuring ±1°F temperature consistency.
- [Energy Efficient & Save Money] – Built with a premium oxygen-free copper heat exchanger for superior heat transfer and corrosion resistance, this on-demand water heater delivers up to 98% thermal efficiency with a UEF of 0.81. Compared to traditional water heaters, its energy-efficient design helps reduce wasted energy and can help lower annual operating costs, supporting long-term household savings.
- [Easy to Install & Save Space] – Designed for whole house use, this indoor water heater measures only 21"H × 13"W × 7"D and occupies less than one-third of the space of traditional water heater models. Standard 3/4" NPT water inlet/outlet connections, a 1/2" NPT gas inlet, 3" OD vent, and UL-approved 120V plug make installation simple in most homes.
8.9Very Good
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