Best Rheem Hot Water Heaters Updated May 2025
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Best Rheem Hot Water Heaters
2025 Buyer's GuideUpdated May 2025
Advertiser disclosure About our rankings
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Best Rheem Hot Water Heater

9.8

1

9.8

Rheem 11kW 240V Tankless Electric Water Heater
Heat level
Functionality
Ease of installation
Size
Longevity
Energy efficiency
Save 9%
Picked by 155 people this week!
Save 9%
Picked by 155 people this week!
Picked by 155 people this week!
Best Rheem Hot Water Heater

9.8

1
Rheem 11kW 240V Tankless Electric Water Heater
Heat level
Functionality
Ease of installation
Size
Longevity
Energy efficiency
Picked by 155 people this week!
Save 9%

9.6

2

9.6

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Ease of installation
Water supply
Value for money
Size
Quality

9.6

2
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Ease of installation
Water supply
Value for money
Size
Quality
Popular

9.3

3

9.3

Rheem 18kW 240V Tankless Electric Water Heater, Gray
Ease of installation
Value for money
Space saving
Build quality
Popular

9.3

3
Rheem 18kW 240V Tankless Electric Water Heater, Gray
Ease of installation
Value for money
Space saving
Build quality

9.1

4

9.1

Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
Functionality
Water heating capacity
Value for money
Ease of installation
Save 20%
Save 20%

9.1

4
Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
Functionality
Water heating capacity
Value for money
Ease of installation
Save 20%

8.9

5

8.9

Rheem 8kW 240V Tankless Electric Water Heater
Size
Ease of installation
Water flow
Looks nice

8.9

5
Rheem 8kW 240V Tankless Electric Water Heater
Size
Ease of installation
Water flow
Looks nice
Premium Pick

8.8

6

8.8

Rheem RTGH-95DVLN-3 RTGH Series 9.5 GPM 199,900 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Ste...
Functionality
Water temperature
Ease of installation
Design
Space saving
Value for money
Premium Pick

8.8

6
Rheem RTGH-95DVLN-3 RTGH Series 9.5 GPM 199,900 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Ste...
Functionality
Water temperature
Ease of installation
Design
Space saving
Value for money
Best Value

8.7

7

8.7

Rheem 6.5kW 240V Point of Use Thermostatic Tankless Electric Water Heater
Functionality
Ease of installation
Best Value

8.7

7
Rheem 6.5kW 240V Point of Use Thermostatic Tankless Electric Water Heater
Functionality
Ease of installation

8.6

8

8.6

Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 8.4 GPM
Functionality
Water heating

8.6

8
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 8.4 GPM
Functionality
Water heating

8.5

9

8.5

Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater
Ease of installation
Save 11%
Save 11%

8.5

9
Rheem RTEX-27 240V 3 Heating Chambers Residential Tankless Water Heater
Ease of installation
Save 11%

8.3

10

8.3

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
Works well
Ease of installation
Value for money
Space saving
Shower capacity

8.3

10
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
Works well
Ease of installation
Value for money
Space saving
Shower capacity

Our Top Choice

Best Rheem Hot Water Heater

9.8

1

9.8

Rheem 11kW 240V Tankless Electric Water Heater
Heat level
Functionality
Ease of installation
Size
Longevity
Energy efficiency
Save 9%
Picked by 155 people this week!
Save 9%
Picked by 155 people this week!
Picked by 155 people this week!
Best Rheem Hot Water Heater

9.8

1
Rheem 11kW 240V Tankless Electric Water Heater
Heat level
Functionality
Ease of installation
Size
Longevity
Energy efficiency
Picked by 155 people this week!
Save 9%
Related Categories
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Related Categories
Rheem Water HeaterRheem Tankless Water HeaterRheem Electric Water HeaterRheem Hybrid Water HeaterElectric Tankless Water HeaterTankless Water Heater (All)
Related Categories
Rheem Water HeaterRheem Tankless Water HeaterRheem Electric Water HeaterRheem Hybrid Water HeaterElectric Tankless Water HeaterTankless Water Heater (All)