10 Best Tankless Water Heaters

Last Updated January, 2022

Number Name Description Price
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#1

Heatworks Tankless Water Heaters
Heatworks Electric Tankless Smart Water Heater, the world’s only water heater...
Overall Big Guide Rating
Based on 550 reviews
N/A
  • Rating Info
  • Build quality 9.0
  • Controls and functionality 9.4
  • Color 9.3
  • Noise 9.1

#2

Stiebel Eltron Tankless Water Heaters
Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot...
Overall Big Guide Rating
Based on 2635 reviews
$698.00 Available on Prime
  • Rating Info
  • Build quality 9.7
  • Controls and functionality 9.2
  • Color 9.8
  • Noise 9.6

#3

Biselong Tankless Water Heaters
Tankless Electric Hot Water Heater 220/240V under sink Kitchen Household, Small...
Overall Big Guide Rating
Based on 2804 reviews
N/A
  • Rating Info
  • Build quality 9.2
  • Controls and functionality 9.5
  • Color 9.9
  • Noise 9.9

#4

Rinnai Tankless Water Heaters
Rinnai M160CN Condensing Gas Boiler, Natural Gas (160K BTU)
Overall Big Guide Rating
Based on 1398 reviews
N/A
  • Rating Info
  • Build quality 9.8
  • Controls and functionality 9.6
  • Color 9.7
  • Noise 9.7

#5

Ecosmart Tankless Water Heaters
Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with...
Overall Big Guide Rating
Based on 101 reviews
$437.99 Available on Prime
  • Rating Info
  • Build quality 9.1
  • Controls and functionality 9.6
  • Color 9.8
  • Noise 9.4

#6

Ecosmart Tankless Water Heaters
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self...
Overall Big Guide Rating
Based on 1863 reviews
$209.68 Available on Prime
  • Rating Info
  • Sizing 9.8
  • Giftable 9.3
  • Material quality 9.0
  • Battery and connectivity 9.3

#7

Stiebel Eltron Tankless Water Heaters
Stiebel Eltron Tankless Water Heater - Tempra 15 Trend – Electric, On Demand Hot...
Overall Big Guide Rating
Based on 427 reviews
$549.00 Available on Prime
  • Rating Info
  • Build quality 9.4
  • Controls and functionality 9.9
  • Color 9.4
  • Noise 9.2

#8

Rinkmo Tankless Water Heaters
RINKMO Tankless Water Heater Electric 18KW 240V Instant Residential Electric on...
Overall Big Guide Rating
Based on 2109 reviews
$289.00 Available on Prime
  • Rating Info
  • Build quality 9.8
  • Controls and functionality 9.2
  • Color 9.5
  • Noise 9.0

#9

Rinnai Tankless Water Heaters
Rinnai RL75iN Natural Gas Tankless Hot Water Heater, 7.5 GPM
Overall Big Guide Rating
Based on 2222 reviews
$1,183.50
  • Rating Info
  • Sizing 9.8
  • Giftable 9.1
  • Material quality 9.2
  • Battery and connectivity 9.7

#10

Camplux Tankless Water Heaters
Camplux 16L Outdoor 4.22 GPM Digital Display Propane Gas Tankless Water Heater
Overall Big Guide Rating
Based on 2132 reviews
$399.99
  • Rating Info
  • Build quality 9.3
  • Controls and functionality 9.7
  • Color 9.5
  • Noise 9.6
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