We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy PolicyWe use cookies to enhance your experience and personalize ads. By using the site, you agree to that. Privacy Policy

10 bestTankless Hot Water Heatersof April 2025

112M consumers helped this year.

1

Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 12L Indoor Installation Instant Hot Water Heater
Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 12L Indoor Installation Instant Hot Water Heater

MIZUDO

10.0

View Product
Buy it on Amazon

2

Stiebel Eltron Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White - 23, Gloss White
Stiebel Eltron Tankless Water Heater – Tempra 29 Plus – Electric, On Demand Hot Water, Eco, White - 23, Gloss White

Stiebel Eltron

10.0

View Product
Buy it on Amazon

3

Rheem 11kW 240V Tankless Electric Water Heater
Rheem 11kW 240V Tankless Electric Water Heater

Rheem

9.9

View Product
Buy it on Amazon

4

Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey

Rheem

9.9

View Product
Buy it on Amazon

5

Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation
Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation

Rinnai

9.8

View Product
Buy it on Amazon

Related productsUp to 20% off

Tankless Water Heater Electric 27kW 208~240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display for Residential Whole House Shower, 114A Gray

Tankless Water Heater Electric 27kW 208~240 Volt, thermomate On Demand Instant Endless Hot Water Heater, Digital Temperature Display for Residential Whole House Shower, 114A Gray

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

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

View Deal
Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black

Tankless Water Heater, GASLAND Outdoors BE158B 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, Black

View Deal
Stiebel Eltron DHC-E 8/10 Tankless Electric Water Heater, Gloss White

Stiebel Eltron DHC-E 8/10 Tankless Electric Water Heater, Gloss White

View Deal

6

RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.

Rinnai

9.7

View Product
Buy it on Amazon

7

Stiebel Eltron 12 Trend Tempra, Tankless Water Heater, White
Stiebel Eltron 12 Trend Tempra, Tankless Water Heater, White

Stiebel Eltron

9.6

View Product
Buy it on Amazon

15% off

8

RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation
RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation

Rinnai

9.5

View Product
Buy it on Amazon

9

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

Rheem

9.3

View Product
Buy it on Amazon

26% off

10

RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.
RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.

Rinnai

9.1

View Product
Buy it on Amazon
subscribe-icon

Best Reviews Guide Newsletter

Get exclusive articles, recommendations, shopping tips, and sales alerts

By submitting your email address you agree to our Terms and Conditions and Privacy Policy