Electric Instant Water Heaters of 2025
Best Choice1
Clicked 500 times in the last monthRheemRheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
9.5 Efficient Energy Use9.3 Temperature control8.2 Easy installationWhy we love it
Compact, suitcase-sized design.
Provides continuous hot water.
Energy-efficient, lowers electricity bills.
9.7Exceptional
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Value for Money2
RheemRheem 18kW 240V Tankless Electric Water Heater, Gray
8.2 Easy installation8.2 Temperature control8.2 Efficient Energy UseWhy we love it
Instant hot water supply.
Compact and space-saving.
Energy-efficient operation.
9.6Exceptional
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3
EcoSmart36% OffEcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
9.1 Efficient Energy Use8.7 Easy installation8.4 Temperature controlWhy we love it
Consistent hot water supply.
Compact and space-saving design.
Reduces monthly energy costs.
9.5Excellent
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4
BOSCH14% OffBOSCH Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
9.1 Easy installation8.9 Temperature control8.7 worth the moneyWhy we love it
Compact and efficient design.
Quick and easy installation.
Provides instant hot water.
9.4Excellent
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5
RheemRheem 11kW 240V Tankless Electric Water Heater
9.5 Efficient Energy Use8.2 Temperature control8.0 worth the moneyWhy we love it
Compact and efficient for small spaces.
Easy installation with clear instructions.
Reliable continuous hot water supply.
9.3Excellent
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6
RaneinRanein 13kW Tankless Electric Water Heater, 240V on Demand Instant Endless Water Heater with LED Temperature Display for Whole House Shower
Why we love it
Compact and versatile installation.
High thermal efficiency at 99%.
Provides endless hot water supply.
9.2Excellent
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7
Orbek10% OffTankless Water Heater Electric, ORBEK 11kW 240V, 1-2 Points of Use On Demand Instant Hot Water Heater, with LED Digital Display, ETL Certification, Self Modulating
Main highlights- LED Digital Display: Clear and easy to read, with real-time updates. Powered by an intelligent temperature control chip that performs 200,000 calculations per second, this instant tankless water heater ensures precise temperature adjustments within 1℉, supports a wide range from 86-140℉, and delivers a steady supply of hot water
- Instant Hot Water Supply: Orbek electric tankless water heater can provide up to 2.56 GPM of endless hot water on demand and ensure comfortable hot water for 1-2 points of use simultaneously
- High Energy Efficient: With water-electricity separation, this hot water heater reduces scale and corrosion. It delivers endless hot water in just 3 seconds with 98% efficiency, cutting electricity costs by up to 60%
- Easy to Install: Orbek 11KW tankless water heater electric requires a 240V/50A two-pole breaker and 1 set of 8 AWG wires. Both the inlet and outlet use standard 1/2" NPT male connectors, making it compatible with most household water pipes.Its compact size of 14.2"H x 9.5"L x 3.1"W takes up almost no space
- Comprehensve Security Protection:Orbek tankless water heater features several safeguards, including leakage, over-temperature, high voltage, and dry-heating protection. Each unit undergoes strict testing and is ETL certified to ensure 100% safety for you and your family
- After-Sale Service: We offer 2 years returns & exchange support along with long-term professional technical consulting services
9.1Excellent
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8
Ranein10% OffRanein Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving
9.5 Temperature control8.9 Efficient Energy UseWhy we love it
Energy-efficient, saves 60% on heating costs.
Compact design fits anywhere.
Provides endless hot water instantly.
9.0Excellent
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9
WINTEMP10% OffElectric Tankless Water Heater WINTEMP, 18kW 240V on Demand Instant Endless Water Heater, Self Regulating - LED Temperature Display - Residential Whole House Shower, Space Saving WIFI Control
Why we love it
Endless hot water supply.
Space-saving design.
Energy-efficient operation.
8.9Very Good
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10
Feelrogast18% OffFeelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted
Main highlights- [Safety Protection] Electrical insulation on inlet/outlet. Leakage protection plug. High-quality insulation. High-temp limiting device and auto temperature control. Multiple layers of protection for safety.
- [Instant Hot Water & Rapid Reheat] Feelrogast electric mini tank water heater rapidly heats water, minimizing your wait time and efficiently meeting your hot water needs. The 316 stainless steel heating element achieves up to 99% heat utilization. Temperature is adjustable from 86-167°F for simple, convenient operation.
- [High quality and durability] This product is CE, ROHS, and FCC certified, ensuring safety and reliability. The 1.88mm thick stainless steel tank is pressure-resistant and explosion-proof, with a 500-800μm enameled layer using a unique double process to prevent cracking, rusting, and leaks, for long-lasting performance.
- [Convenient Installation] Wall-mount, rack, or floor options, with hidden install. 1/2" NPT water connectors. 110/120V, 1440W. Max 109 PSI pressure. 44-inch power cord with plug. Use 20-amp breaker for electrical safety.
- [Compact and versatile design] The streamlined design allows efficient space-saving, enabling under-sink installation. Highly suitable for RVs, camping, and other locations needing hot water supply, like kitchens, bathrooms, garages, food trucks, offices, and salons.
8.8Very Good
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