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.

Top Rated in Water Heaters

    #1

    ANZZI ENVO 240-Volt 21-kW-kW 4-GPM Point Of Use Tankless Electric Water Heater #WH-AZ021-M3

    ANZZI

    ENVO 240-Volt 21-kW-kW 4-GPM Point Of Use Tankless Electric Water Heater
    106

    #2

    ANZZI ENVO 240-Volt 27-kW-kW 4.8-GPM Point Of Use Tankless Electric Water Heater #WH-AZ027-M3

    ANZZI

    ENVO 240-Volt 27-kW-kW 4.8-GPM Point Of Use Tankless Electric Water Heater
    106

    #3

    ANZZI ENVO 240-Volt 18-kW-kW 3.5-GPM Point Of Use Tankless Electric Water Heater #WH-AZ018-M3

    ANZZI

    ENVO 240-Volt 18-kW-kW 3.5-GPM Point Of Use Tankless Electric Water Heater
    104

    #4

    ANZZI ENVO 240-Volt 14.6-kW-kW 3-GPM Point Of Use Tankless Electric Water Heater #WH-AZ146-M2

    ANZZI

    ENVO 240-Volt 14.6-kW-kW 3-GPM Point Of Use Tankless Electric Water Heater
    64

    #5

    ANZZI ENVO 240-Volt 11-kW-kW 2.3-GPM Point Of Use Tankless Electric Water Heater #WH-AZ011-M2

    ANZZI

    ENVO 240-Volt 11-kW-kW 2.3-GPM Point Of Use Tankless Electric Water Heater
    110

    #6

    ANZZI ENVO 240-Volt 24-kW-kW 4.5-GPM Point Of Use Tankless Electric Water Heater #WH-AZ024-M3

    ANZZI

    ENVO 240-Volt 24-kW-kW 4.5-GPM Point Of Use Tankless Electric Water Heater
    108

    #7

    ANZZI ENVO 180000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ03-180-LPI

    ANZZI

    ENVO 180000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #8

    ANZZI ENVO 180000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ53-180-LPO

    ANZZI

    ENVO 180000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #9

    ANZZI ENVO 180000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ01-180-NGI

    ANZZI

    ENVO 180000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #10

    ANZZI ENVO 199000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ02-199-NGI

    ANZZI

    ENVO 199000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #11

    ANZZI ENVO 180000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ51-180-NGO

    ANZZI

    ENVO 180000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #12

    ANZZI ENVO 199000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ04-199-LPI

    ANZZI

    ENVO 199000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #13

    ANZZI ENVO 199000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ52-199-NGO

    ANZZI

    ENVO 199000 BTU Natural Gas Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #14

    ANZZI ENVO 199000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features #WH-AZ54-199-LPO

    ANZZI

    ENVO 199000 BTU Liquid Propane Tankless Water Heater with Copper Heat Exchanger and Safety Features
    43

    #15

    A.O. Smith Signature 100 50-Gallon Tall 9-year Warranty 40000-BTU Natural Gas Water Heater #G9-T5040NVR

    A.O. Smith

    Signature 100 50-Gallon Tall 9-year Warranty 40000-BTU Natural Gas Water Heater
    1377

    #16

    A.O. Smith Signature 100 40-Gallons Short 9-year Warranty 40000-BTU Natural Gas Water Heater #G9-S4040NVR

    A.O. Smith

    Signature 100 40-Gallons Short 9-year Warranty 40000-BTU Natural Gas Water Heater
    603

    #17

    A.O. Smith Signature 100 40-Gallon Short 12-year Warranty 40000-BTU Natural Gas Water Heater #G12-S4040NVR

    A.O. Smith

    Signature 100 40-Gallon Short 12-year Warranty 40000-BTU Natural Gas Water Heater
    554

    #18

    ANZZI ENVO 240-Volt 6-kW-kW 1.7-GPM Point Of Use Tankless Electric Water Heater #WH-AZ006-M1

    ANZZI

    ENVO 240-Volt 6-kW-kW 1.7-GPM Point Of Use Tankless Electric Water Heater
    107

    #19

    A.O. Smith Signature Premier 50-Gallons Tall 12-year Limited Warranty 5500-Watt Double Element Smart Electric Water Heater #ES12-50H55DV

    A.O. Smith

    Signature Premier 50-Gallons Tall 12-year Limited Warranty 5500-Watt Double Element Smart Electric Water Heater
    229

    #20

    A.O. Smith Signature 100 40-Gallon Short 6-year Warranty 40000-BTU Natural Gas Water Heater #G6-S4040NVR

    A.O. Smith

    Signature 100 40-Gallon Short 6-year Warranty 40000-BTU Natural Gas Water Heater
    2244

    #21

    A.O. Smith Signature 100 38-Gallons Lowboy 6-year Warranty 4500-Watt Double Element Electric Water Heater with Insulation Blanket #E6-40L45DVB

    A.O. Smith

    Signature 100 38-Gallons Lowboy 6-year Warranty 4500-Watt Double Element Electric Water Heater with Insulation Blanket
    1094

    #22

    A.O. Smith Signature 300 50-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater #G12-FDT5040NVR

    A.O. Smith

    Signature 300 50-Gallons Tall 12-year Warranty 40000-BTU Natural Gas Water Heater
    60

    #23

    A.O. Smith Signature 100 50-Gallon Tall 12-year Warranty 40000-BTU Natural Gas Water Heater #G12-T5040NVR

    A.O. Smith

    Signature 100 50-Gallon Tall 12-year Warranty 40000-BTU Natural Gas Water Heater
    588

    #24

    A.O. Smith Signature 100 30-Gallon Tall 6-year Warranty 4500-Watt 1 Element Electric Water Heater #E6-30M6-45SV

    A.O. Smith

    Signature 100 30-Gallon Tall 6-year Warranty 4500-Watt 1 Element Electric Water Heater
    434