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Best Energy Efficient Water Heater - Reviews, specs, buying guide and the top list 2022

Crying out for the Best Energy Efficient Water Heater 2022? TechUnder1000 is here to help. Check out the 17 products from Stiebel Eltron, Rinnai, HIGH SIERRA SHOWERHEADS, Rheem, EcoSmart, De'Longhi, Eccotemp, thermomate, Rinkmo, ECOTOUCH, Pentair, CAMPLUX ENJOY OUTDOOR LIFE. These Best Energy Efficient Water Heater that were bought 9,909 times won't disappoint you.

TechUnder1000 Team
TechUnder1000 Team
  Aug 17, 2022 2:09 AM
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Showing  1 - 10  in  17 results
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1
Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White, 20.2
Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White, 20.2
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  • SCORE
    9.2
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    Stiebel Eltron
  • WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase
  • TEMPRA 24 PLUS – This specific model is 24kW, 240V, requires a min recommended electric service of 150 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levelsmore
2
Rinnai Outdoor Tankless Hot Water Heater, V65EN-Natural Gas/ 6.3 GPM
Rinnai Outdoor Tankless Hot Water Heater, V65EN-Natural Gas/ 6.3 GPM
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  • SCORE
    9.2
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    Rinnai
  • Lightweight and Compact
  • Meets California and Texas NOx Emissions Standardsmore
3
High Sierra's All Metal 1.5 GPM High Efficiency Low Flow Showerhead. Available in: CHROME, Brushed Nickel, Oil Rubbed Bronze or Polished Brass
High Sierra's All Metal 1.5 GPM High Efficiency Low Flow Showerhead. Available in: CHROME, Brushed Nickel, Oil Rubbed Bronze or Polished Brass
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  • SCORE
    9.0
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    HIGH SIERRA SHOWERHEADS
  • Save 40% or more water and the energy to heat the water - WaterSense Certified
  • Award-winning, patented nozzle delivers a strong, full-spray of large dropsmore
4
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
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  • SCORE
    9.0
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    Rheem
  • 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 GPMmore
5
Rinnai Tankless Hot Water Heater / V75IN / Natural Gas / 7.5 GPM, Indoor Installation
Rinnai Tankless Hot Water Heater / V75IN / Natural Gas / 7.5 GPM, Indoor Installation
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  • SCORE
    9.0
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    Rinnai
  • 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)more
6
Ecosmart ECOMINI6 Electric Mini Tank Water Heater, ECO 6, White, 6 Gal
Ecosmart ECOMINI6 Electric Mini Tank Water Heater, ECO 6, White, 6 Gal
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  • SCORE
    9.0
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    EcoSmart
  • Manufactured in United States
  • 12 Amore
7
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
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  • SCORE
    8.8
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    EcoSmart
  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
  • Patented Self Modulating Technology and designmore
8
Stiebel Eltron 224201 240V, 7.2/9.6kW DHC-E 8/10 Single/Multi-Point-of-Use Tankless Electric Water Heater
Stiebel Eltron 224201 240V, 7.2/9.6kW DHC-E 8/10 Single/Multi-Point-of-Use Tankless Electric Water Heater
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  • SCORE
    8.8
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    Stiebel Eltron
  • No venting required
  • Reduces hot water pipe runsmore
9
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
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  • SCORE
    8.8
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    EcoSmart
  • Pipe Fittings:3/4 inch NPT
  • Sleek and compact design with digital output temperature displaymore
10
De'Longhi Convection Panel Heater, Full Room Quiet 1500W, Freestanding/Easy Install Wall Mount, LED Digital Display, Adjustable Thermostat, Timer, Energy Saving, Asphalt Gray
De'Longhi Convection Panel Heater, Full Room Quiet 1500W, Freestanding/Easy Install Wall Mount, LED Digital Display, Adjustable Thermostat, Timer, Energy Saving, Asphalt Gray
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  • SCORE
    8.6
    AI Score

    The scores from 0 to 10 are automatically scored by our AI Consumer Report tool based upon the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    De'Longhi
  • Unique Two Fan System - Provides better, faster heat distribution into the room
  • ECO function saves energy by automatically adjusting heat and power settings for the most comfortable and economical warmthmore

Last update on 2022-08-17 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

4.3
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TechUnder1000 Team
TechUnder1000 Team
We are the Technology and Computer hardware specialists with 10 years of experience about researching and developing the technology products such as the prebuilt gaming PC.