Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

High Efficiency Water Heaters

16 results

A.O. Smith Signature 900 50-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection
Energy Star Qualified

A.O. Smith 

Signature 900 50-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection

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for pricing and availability

4.0
79
Family Size:5+ People
A.O. Smith Signature 900 80-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection
Energy Star Qualified

A.O. Smith 

Signature 900 80-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection

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for pricing and availability

2.4
9
Family Size:5+ People
A.O. Smith Signature Series 8-GPM 190000-BTU Indoor Natural Gas/Liquid Propane Ultra-Low NOx Tankless Water Heater

A.O. Smith 

Signature Series 8-GPM 190000-BTU Indoor Natural Gas/Liquid Propane Ultra-Low NOx Tankless Water Heater

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for pricing and availability

3.6
232
Family Size:5+ People
A.O. Smith Signature 900 40-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection, Automatic Shut-off and Hot Water Plus
Energy Star Qualified

A.O. Smith 

Signature 900 40-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection, Automatic Shut-off and Hot Water Plus

Shop the Collection
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for pricing and availability

1.7
29
Family Size:3-4 People
A.O. Smith Signature 900 80-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection, Automatic Shut-off and Hot Water Plus
Energy Star Qualified

A.O. Smith 

Signature 900 80-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection, Automatic Shut-off and Hot Water Plus

Find My Store

for pricing and availability

1.7
29
Family Size:5+ People
A.O. Smith Signature 900 66-Gallon Tall 10-year Warranty 120-volt Plug-in Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection and Automatic Shut-off
Energy Star Qualified

A.O. Smith 

Signature 900 66-Gallon Tall 10-year Warranty 120-volt Plug-in Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection and Automatic Shut-off

Find My Store

for pricing and availability

3.1
19
Family Size:5+ People
A.O. Smith Signature 900 66-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection and Automatic Shut-off
Energy Star Qualified

A.O. Smith 

Signature 900 66-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection and Automatic Shut-off

Find My Store

for pricing and availability

2.7
388
Family Size:5+ People
A.O. Smith Signature 900 66-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection, Automatic Shut-off and Hot Water Plus
Energy Star Qualified

A.O. Smith 

Signature 900 66-Gallon Tall 10-year Warranty 240-volt Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection, Automatic Shut-off and Hot Water Plus

Find My Store

for pricing and availability

1.7
31
Family Size:5+ People