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 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
4. Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
5. Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
6. Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
7. EcoSmart 8 KW Electric Tankless Water Heater, 8 KW at 240 Volts with Patented...
8. Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with...
9. FOGATTI Tankless RV Water Heater Propane On Demand Camper Hot Water Heater...
10. Rinnai Tankless Hot Water Heater / V75IN / Natural Gas / 7.5 GPM, Indoor...

Best TANKLESS WATER HEATER

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

 in stock
11 new from $199.00
3 used from $142.63
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as of September 16, 2021 6:33 am

Features

  • Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
  • EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

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

 in stock
22 new from $353.00
11 used from $224.70
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as of September 16, 2021 6:33 am

Features

  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
  • The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire

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

 in stock
11 new from $245.00
2 used from $228.71
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as of September 16, 2021 6:33 am

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

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

 in stock
11 new from $395.00
4 used from $296.25
Free shipping
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as of September 16, 2021 6:33 am

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
4 new from $599.00
5 used from $198.12
Free shipping
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as of September 16, 2021 6:33 am

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 RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

 in stock
9 new from $535.11
6 used from $313.82
Free shipping
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as of September 16, 2021 6:33 am

Features

  • ON/OFF Dial Control with adjustable digital temperature display
  • Self-modulating power control
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Bottom 3/4" NPT water connections
  • On demand, consistent and continuous hot water

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

 in stock
6 new from $200.61
2 used from $148.10
Free shipping
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as of September 16, 2021 6:33 am

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

Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5

 in stock
3 new from $460.69
10 used from $212.24
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as of September 16, 2021 6:33 am

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.Activation flow 0.3 GPM
  • ECOSMART tankless water heaters are 99.8-percent energy efficient

FOGATTI Tankless RV Water Heater Propane On Demand Camper Hot Water Heater 12V 2.2GPM, 55,000BTU Motorhome Trailer LP Gas Water Heater with Remote Control and 15"x15" Black Door

 in stock
1 new from $549.99
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as of September 16, 2021 6:33 am

Features

  • 【Designed For RV Campers】 Fogatti RV tankless water heater’s overall dimensions are 15 x 15 x 15.4 inches, cutout size: 13 x 13 inches, and door size 15 x 15 inches. It's suitable for replacing Suburban 6 gallons, Suburban 4 gallons, Girard 2GWHAM, Furrion 2.4GPM model FWH09A-1-A, Recpro RP1057.
  • 【Instant & Endless Hot Water】 No more waiting for preheat! With its high heating power of 55,000 BTU & 2.2 Gallon per Minute (GPM) capacity, rv propane tankless water heater supplies instant and endless hot water on demand, and lets your whole family enjoy a comfortable shower on the road.
  • 【Easy to Install & Control】 It's easy to hook up to water and gas outlets (Temperature and pressure relief valve is sold separately), equipped with automatic pulse ignition. It also comes with a digital controller to turn on/off the heater, and adjust the water temperature, time, and pressure levels conveniently.
  • 【Multi-Safety Design】 Fogatti RV tankless water heater offers low water pressure startup, dry-burning protection, flameout protection, water overpressure protection, overheating protection and anti-freezing protection, ultimately a worry-free experience in your RV.
  • 【Built For The Road】Propane tankless water heaters for rvs is engineered for durability and performance on the road, with Fogatti's smart technology and shockproof components. Also Fogatti offers new and free replacements if any quality problem occurs within 30 days, and 1-year free services.

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

 in stock
4 new from $872.40
2 used from $828.78
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as of September 16, 2021 6:33 am

Features

  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance up to 7.5 GPM hot water flow rate for a powerful, constant stream
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively