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

9.7

1

9.7

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 Water Heater

9.7

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

9.5

3

9.5

BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounte...
Heat level
Works great
Ease of installation
Size
Value for money
Installation
Save 6%
Save 6%
Popular

9.5

3
BOSCH Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounte...
Heat level
Works great
Ease of installation
Size
Value for money
Installation
Save 6%

9.3

4

9.3

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

9.3

4
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
Works well
Ease of installation
Value for money
Space saving
Shower capacity

9.2

5

9.2

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

9.2

5
Rheem 18kW 240V Tankless Electric Water Heater, Gray
Ease of installation
Value for money
Space saving
Build quality
Premium Pick

9.0

6

9.0

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%
Premium Pick

9.0

6
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%

8.8

7

8.8

GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Wan...
Functionality
Ease of installation
Quality
Value for money
Size

8.8

7
GE Appliances 10 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Wan...
Functionality
Ease of installation
Quality
Value for money
Size

8.7

8

8.7

Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 7.0 GPM, Gray
Functionality
Water heating

8.7

8
Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 7.0 GPM, Gray
Functionality
Water heating

8.6

9

8.6

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

8.6

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

8.5

10

8.5

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

8.5

10
Rheem 8kW 240V Tankless Electric Water Heater
Size
Ease of installation
Water flow
Looks nice

Our Top Choice

Best Rheem Water Heater

9.7

1

9.7

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 Water Heater

9.7

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
Rheem Tankless Water HeaterRheem Hot Water HeaterHigh Efficiency Water HeaterRheem Hybrid Water HeaterTankless Gas Water HeaterHigh Capacity Tankless Water Heater
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Related Categories
Rheem Tankless Water HeaterRheem Hot Water HeaterHigh Efficiency Water HeaterRheem Hybrid Water HeaterTankless Gas Water HeaterHigh Capacity Tankless Water Heater
Related Categories
Rheem Tankless Water HeaterRheem Hot Water HeaterHigh Efficiency Water HeaterRheem Hybrid Water HeaterTankless Gas Water HeaterHigh Capacity Tankless Water Heater