10 bestCostco Water Heaterof December 2025
112M consumers helped this year.
17% off
1
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, Small Grey
Rheem
9.9
2
ALECOIL 100,000 BTU Hydronic Hot Water Hanging Unit Heater with Water Temperature Control Switch HHA100 Water to Air Heat Exchanger with Fan for Outdoor Wood Furnaces, Garage, and Greenhouse Heating
Alecoilca
9.8
3
ALECOIL 50,000 BTU Hydronic Hot Water Hanging Unit Heater with Water Temperature Control Switch HHA50 Water to Air Heat Exchanger with Fan for Outdoor Wood Furnaces, Garage and Warehouse Heating
Alecoilca
9.7
4
CAMPLUX Tank Water Heater Electric,18 Gallon Point of Use Instant Hot Water Heater 120v 1500W, Built-in Reliable T&P Relief Valve, Anode Rod for Hot Water Heater, UL Listed
CAMPLUX ENJOY OUTDOOR LIFE
9.5
17% off
5
Hamiton Beach 40864C Glass Electric Kettle, 1.7 Liter Capacity, Automatic Shutoff, Cord-Free Design, Stainless Steel
Hamilton Beach
9.3
OtherUp to 15% off
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
VEVOR Instant Water Heater, 18kw Electric Tankless Water Boiler, Digital Temperature Display & Easy Installation & 24-Hour Water Supply, for Kitchen Bathroom Shower Mall Salon Shampoo ETL Listed
1000W Immersion Heater, Gesail Bucket Water Heater with Heating Element, Submersible Heater with Thermostat and Auto Shutoff Protection, Perfect for Home Travel and Winter Job
Large Size 120V 1.5Kw Small Under Sink Tank 4 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact Point-of-Use, with 16” Long 1/2”FIP Stainless Steel Water Hoses 16L
6
Cupohus Heated Water Hose for RV 50FT Drinking 5.0 Upgrade with Digital Display Thermostat to Keep Fresh Water Running in Winter Freezing Temperatures Down to -45℉, Electric Camper Garden Hose Heater
Cupohus
9.1
7
CAMPLUX Tankless Water Heater, 16L On Demand Propane Water Heater, Instant Hot Water Heater, Indoor, Gray
CAMPLUX ENJOY OUTDOOR LIFE
8.8
8
Thermomate Mini Tank Electric Water Heater ES150 1.3 Gallons Point of Use Water Heater for Instant Hot Water Under Kitchen Sink 120V 1440W
thermomate
8.6
9
Camplux ME60 Mini Tank Electric Water Heater 6-Gallon1.44kW at 120 Volts
CAMPLUX ENJOY OUTDOOR LIFE
8.3
35% off
10
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
8.0
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