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10 bestTankless Water Heatersof November 2024

112M consumers helped this year.

1

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

10.0

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2

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

10.0

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3

Rinnai RL75iN Natural Gas Tankless Water Heater, 7.5-Gallons Per Minute
Rinnai RL75iN Natural Gas Tankless Water Heater, 7.5-Gallons Per Minute

Rinnai

9.9

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4

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

9.8

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18% off

5

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

GASLAND

9.6

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Tankless Water Heater, Camplux Constant Propane Water Heater, 3.18 GPM On Demand Water Heater, Instant Hot Water Heater, Indoor, Black

Tankless Water Heater, Camplux Constant Propane Water Heater, 3.18 GPM On Demand Water Heater, Instant Hot Water Heater, Indoor, Black

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RINNAI RL Series He+ Tankless Hot Water Heater: Indoor Installation

RINNAI RL Series He+ Tankless Hot Water Heater: Indoor Installation

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Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation

Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation

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Rheem 11kW 240V Tankless Electric Water Heater

Rheem 11kW 240V Tankless Electric Water Heater

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28% off

6

Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater
Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater

Rheem

9.5

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18% off

7

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

Rinnai

9.3

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8

Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White
Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White

EcoSMART

9.1

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12% off

9

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

Rheem

8.9

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10

Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water Heater
Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water Heater

MIZUDO

8.6

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