BEST TANKLESS WATER HEATER

Looking for the best TANKLESS WATER HEATER that can last long and perform well? Read our review and buying guide on best TANKLESS WATER HEATER below.

10 Best TANKLESS WATER HEATER

IMAGE PRODUCT RATING PRICE
1. EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with...
2. ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with...
3. Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
4. Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
5. Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
6. Rinnai Tankless Hot Water Heater / V75IN / Natural Gas / 7.5 GPM, Indoor...
7. Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected]
8. Rinnai RU199iN RRU199iN, RU199in-Natural Gas/11 GPM
9. Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) -...
10. EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented...

Best TANKLESS WATER HEATER

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

 in stock
8 new from $191.26
6 used from $139.87
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design
  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98

ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White

 in stock
25 new from $340.00
11 used from $258.41
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Copper and stainless components
  • Lifetime warranty for residential use

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

 in stock
9 new from $395.00
2 used from $363.40
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Most advanced self-modulation, adjust power to meet hot water demand
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Simple installation – bottom 3/4 inch NPT water connections
  • Threaded for easy replacement, simple installation, digital temperature display

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

 in stock
3 new from $599.00
13 used from $420.43
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • Sleek and compact design with digital output temperature display
  • ECOSMART tankless water heaters are 99.8-percent energy efficient
  • Manufactured in United States
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

 in stock
17 new from $248.50
6 used from $176.82
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM

Rinnai Tankless Hot Water Heater / V75IN / Natural Gas / 7.5 GPM, Indoor Installation

 in stock
5 new from $831.00
1 used from $789.45
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as of May 7, 2021 8:32 pm

Features

  • Up to 7.5 GPM hot water flow rate (varies by groundwater temp)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected]

 in stock
16 new from $158.00
4 used from $132.23
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
  • Amperage Draw 29 amp. kW - 3.5 kW
  • Connection Fittings 1/2" NPT

Rinnai RU199iN RRU199iN, RU199in-Natural Gas/11 GPM

 in stock
4 new from $2,040.74
2 used from $1,440.00
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as of May 7, 2021 8:32 pm

Features

  • Up to 11 GPM hot water flow rate (varies by groundwater temp)
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

 in stock
16 new from $146.67
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented Self Modulating Technology

 in stock
14 new from $210.00
6 used from $148.10
Free shipping
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as of May 7, 2021 8:32 pm

Features

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Heating elements are durable and are threaded for easy replacement
  • Activation Flow - 0.3 GPM