Compare Water Heaters Prices

504 products$7 – $7004 on saleTop brand: YONOOQUpdated 5:28 PM UTC

Comparing prices on 504 water heaters across Amazon, Best Buy, Walmart, and other major US retailers. Prices range from $7 to $700. Top brand: YONOOQ. 4 products are currently discounted below their list price. Every price is refreshed regularly so you can compare retailers and buy at the lowest price available today.

Our Top Picks

Best Value

KENUOS 4 Gallon Water Heater Under Sink Instant Hot Water Heaters 1500W 110V 120V Mini Tank,Under Counter Water Heater with Safety Vavle 1/2" NPT for Kitchen,Bathroom,Camper,RV,White

$124.44

Retailer Steal

Westinghouse Under Sink Water Heater, 2.5 Gallon Instant Hot Water Heater for Point of Use, 120V 1440W Electric Mini Tank for Kitchen Sink & RV, Wall/Floor Mount, CSA Listed

$229.99

Most Compared

CAMPLUX Electric Mini-Tank Water Heater ME40 4.0 Gallons, Point of Use No Wait for Hot Water Under Kitchen Sink 120V 1440W, Wall or Floor Mounted, UL Listed

$201.35

All Water Heaters (504)

Save $29-12%

CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Electric Mini-Tank Water Heater ME40 4.0 Gallons, Point of Use No Wait for Hot Water Under Kitchen Sink 120V 1440W, Wall or Floor Mounted, UL Listed

$201.35

$229.99

at Walmart

Save $36-22%

KENUOS

KENUOS 4 Gallon Water Heater Under Sink Instant Hot Water Heaters 1500W 110V 120V Mini Tank,Under Counter Water Heater with Safety Vavle 1/2" NPT for Kitchen,Bathroom,Camper,RV,White

$124.44

$159.99

at Amazon

HUVOPUMO

2000W Immersion Water Heater Electric, Fast Heating Portable Water Heater with 304 S S Guard & LCD Thermometer, Bucket Heater for Home Camping Bath Pool Outdoor Use

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Westinghouse

Westinghouse Under Sink Water Heater, 2.5 Gallon Instant Hot Water Heater for Point of Use, 120V 1440W Electric Mini Tank for Kitchen Sink & RV, Wall/Floor Mount, CSA Listed

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Generic

C3000 Mini Hot Water Heater G 1/2" Replacement

$7.49

at Amazon

Generic

Portable Bottle Warmer,Three-speed Temperature Adjustable USB Travel Milk Heat Keeper - Nursing Bottle Warmer Pouch for Driving Camping, Travel Care

$11.09

at Amazon

Generic

Portable USB Bottle Warmer, 3-speed Temperature Adjustable USB Milk Heat Keeper, Nursing Bottle Warmer Pouch for Driving Camping, Travel Care

$14.38

at Amazon

Generic

USB Bottle Warmer Bag | 3-speed Temperature Adjustable USB Milk Heat Keeper | Nursing Bottle Warmer Pouch for Driving Camping, Travel Care

$14.98

at Amazon

Generic

Portable USB Bottle Warmer - Temperature Adjustable USB Charging Breast Milk Warm Bag | Nursing Bottle Warmer Pouch for Driving Camping, Travel Care

$20.20

at Amazon

Generic

USB Bottle Warmer | Three Temperature Adjustable Car Travel Bottle Warm Bag - Travel Temperature Control Breast Milk Heating Pouch for Outside Walk Shopping Travelling

$20.52

at Amazon

Generic

Bottle Warmer Bag - Three-speed Temperature Adjustable USB Travel Milk Heat Keeper,Travel Temperature Control Breast Milk Heating Pouch for Outside Walk Shopping Travelling

$20.54

at Amazon

Generic

DN20 Tank Water Heater 3/4" Replacement

$29.99

at Amazon

OKCJHXGA

Tankless Water Heater Electric, 110V 3000W Instant Hot Water Heater with Temperature Controllable & LED Display, Wall-Mount Under Sink Water Heaters for Kitchen Water Daily Washing

$29.99

at Amazon

Generic

Instant Thermostatic Water Heater, 110v Tankless Water Heater Electric with Digital Display, 3000w Tankless Electric Waters Heaters Instant for Kitchen Washin & Showering in the Bathroom

$59.99

at Amazon

Cosori

Cosori Electric Gooseneck Kettle with 5 Temperature Control Presets, Pour Over Kettle for Coffee & Tea, Hot Water Boiler, 100% Stainless Steel Inner Lid & Bottom, 1200W, 0.8L, Black

$69.99

at Amazon

Veferdo

Tankless Water Heater Electric 110v,3500W Instant Hot Water Heater With Automatic Control System Touch Digital Display， Constant Temperature Wall or Floor Mounted for Kitchen,Laundry Sink

$95.99

at Amazon

YONOOQ

YONOOQ 4 Gallon Electric Water Heater, 1500W 110V Mini Tank Under Sink Instant Hot Water Heater with Pressure Relief Valve, Digital Display for Kitchen, RV, Laundry, Food Truck

$139.99

at Amazon

Generic

Mini Tankless Water Heater C3500

$199.99

at Amazon

Stiebel Eltron

Stiebel Eltron Tankless Water Heater – Tempra 24 Trend – Electric, 24kW, On Demand Hot Water, Eco, White, Made in Germany

$619.99

at Amazon

ECOTINYMACH

ECOTINYMACH 3000W 110V Tankless Water Heater Electric, Compact Water Heater for Single Sink, Conveniently Convertible Between Fahrenheit and Celsius

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SIVUATEK

14kW Tankless Water Heater Electric, SIVUATEK 240V Instant On-Demand Hot Water Heater, 2 Point of Use, Self-Modulating, ETL Certified, Endless Water Supply for Home

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Generic

UTank Mini Tank Water Heater G 1/2" Replacement

See price on Amazon →

Generic

DN15 Hot Water Heater 1/2 Inch Replacement

See price on Amazon →

Generic

C3000 Water Heater 1/2" Replacement

See price on Amazon →

Generic

RV Water Heater 3/4" Threads Anode

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Generic

Bottle Warmer Bag,Heating Infant Breast Milk Heater Three-speed Adjustable - Infant Feeding Thermal Warmer Pouch for Indoor, Outdoor, Traveling, Driving

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Generic

Portable Bottle Warmer | Three Temperature Adjustable Car Travel Bottle Warm Bag,Travel Temperature Control Breast Milk Heating Pouch for Outside Walk Shopping Travelling

See price on Amazon →

Haodrylax

Stylishly and efficiently constructed plastic fan blade set, perfectly fits standard size home units approximately 16 inches

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Generic

Tank Water Heater 1/2" Replacement

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Generic

Portable Bottle Warmer - Three-speed Temperature Adjustable USB Travel Milk Heat Keeper - Nursing Bottle Warmer Pouch for Driving Camping, Travel Care

See price on Amazon →

Generic

Bottle Warmer Bag | Temperature Adjustable USB Charging Breast Milk Warm Bag | Travel Temperature Control Breast Milk Heating Pouch for Outside Walk Shopping Travelling

See price on Amazon →

Generic

Portable USB Bottle Warmer, Three-speed Temperature Adjustable USB Travel Milk Heat Keeper, Nursing Bottle Warmer Pouch for Driving Camping, Travel Care

See price on Amazon →

Generic

Portable USB Bottle Warmer,Heating Infant Breast Milk Heater Three-speed Adjustable | Travel Temperature Control Breast Milk Heating Pouch for Outside Walk Shopping Travelling

See price on Amazon →

GQWQNIO

GQWQNIO 220V 5.5KW Electric Tankless Water Heater,Instant Hot Water Heater with Touch Control, Portable Heater Tool, Wall Mounted with Hanging Holes or Under Sink Kitchen Household

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Chewtoyo

Immersion Water Heater 2000W with Auto Shut-Off, Stainless Steel Guard Heater, Portable Bucket Heater, Submersible Electric Heater, Indicator Light, Yellow, 11 in / 28 cm

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Chewtoyo

Immersion Water Heater, 1500W 110V Portable Submersible Water Heater with Intelligent Temperature Control, 158°F/70℃ Auto Shut-Off, 304 Stainless Steel Shield, Fast Heating for Travel, Camping, Pools

See price on Amazon →

Synaiolma

Mini Tankless Water Heater 4000W 110V, Instant Electric Hot Water Heater with Touch Display & Remote Control, Constant Temperature Under Sink Water Heater for Kitchen Bathroom Home Use

See price on Amazon →

Generic

Tankless Water Heater Electric, Instant Hot Water Heater Under Sink, 3000W 110V On Demand Mini Water Heater for RV Kitchen Bathroom, White

See price on Amazon →

Omquot

Omquot Efficient 1000W Water Tank Preheater for Gas Engines, Trucks, Ships | Plastic Steel Material

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YONOOQ

Tankless Water Heater Electric,240V 6500W Under Sink Instant Hot Water Heater with Digital Display Touch Screen On-Demand Water Heater Point Of Use for Kitchen,Bathroom,Laundry,RVs

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Generic

Generic Electric Water Heater, Ultra Thin Stainless Steel Brass Hot Water Heater with LCD Touch Screen, for Kitchen Bathroom RV Various Environments, Ideal for Instant Hot (US Plug 110V 3000W)

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Haivenliuy

1500W Electric Hot Water Heater for Shower,35L Tank 95–167°F IPX4, 9.25Gal Wall Mounted Quick Heating Water Heater with Shower Head,Water Pipes and Hose for Bathroom, Kitchen (35L/9.25Gal)

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Generic

Mini Tankless Under Sink Water Heater, 1 Point of Use

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Generic

Small Water Heater 120V, Gray

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LINGLONGTEMP

LINGLONGTEMP 2000W Submersible Hot Tub & Pool Portable Electric immersion Water Heater with Temp Control, GFCI for Swimming Pool, Pond, Bathtub, inflatable pool, Baptismal, above ground pool & Spa tub

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LINGLONGTEMP

LINGLONGTEMP 240V 3500W Fully Submersible, Electric Hot Tub & Large Swimming Pool Portable immersion Water Heater with Temp Control and GFCI for Baptismal, above ground pool, inflatable pool & Bathtub

See price on Amazon →

Orbek

Orbek 14kw Tankless Water Heater Electric 240v On Demand Water Heater Electric

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FOGATTI

FOGATTI InstaShower 9 Pro RV Tankless Water Heater, 66,000 BTU (Highest Output), Built-in Mixing Tank, 15x15 Inches Black Door, Remote Controller, Ideal for RVers' Everyday Use, Gen 3

See price on Amazon →

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.

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Frequently Asked Questions About Water Heaters

How many water heaters does BestPriceScanner track?

We currently track 504 water heaters with prices ranging from $7 to $700. Popular brands in this category include YONOOQ, Chewtoyo and LINGLONGTEMP. Every product is refreshed regularly across Amazon, Best Buy, Walmart and EcoFlow.

What is the cheapest Water Heater right now?

The lowest-priced water heater we're tracking starts at $7. Sort by "Price: Low to High" above to see the most affordable options first. Keep in mind that prices change frequently, so what's cheapest today may shift tomorrow.

Are water heaters cheaper on Amazon or Best Buy?

Neither retailer is consistently cheaper. Amazon often wins on YONOOQ, Chewtoyo and LINGLONGTEMP products, but Best Buy runs exclusive promotions and open-box deals that can beat Amazon's price. Walmart occasionally has the lowest price on popular models. That's why we compare all three in one place so you don't have to check each site separately.

How many water heaters are on sale right now?

Right now, 4 water heaters are at a reduced price below their list price. Look for the green "Save" badge on product cards above. You can also sort by "Biggest Discount" to see the largest discounts first.