When it comes to buying Small Water Heaters , you will find many brands selling the same product. And this will make you confused because you will not know which one of these products will meet your needs and desires.

After a lot of extensive research, we’ve put together a collection of the best Small Water Heaters that are currently available on the market.

Best Small Water Heaters

Best Small Water Heaters Reviews

No. 1

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) – Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted

  • CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
  • LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
  • INDEPENDENT INSTALLATION: 36-37″ cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
  • FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

No. 2

Electric Hot Water Heater 110-120V Small Compact Tank Storage,Rv Tr 2.5-3.0 Gallon Trailer , 1.5KW Kitchen Instant Under Sink Counter Cupboard, RV 1 PCs 16” Long 1/2”FIP Stainless Steel Water Hose

  • 【SAFE DURABLE & LONGEVITY】304 Made of stainless steel and never rust,Anti-leakage plug,Multiple safety protection functions protect you from the risk of scald, leakage or other injury.Premium plastic shell is corrosion resistant,This mini hot water heater is ideal for kitchen, bar, school, hospital, community and RV.
  • 【SMART INVERTER FOR ENERGY SAVING】Digital Display,Automatic heat preservation and storage of hot water, 3.0 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%,Maximum temperature167℉,The built-in smart chip heats up to the temperature you set, and automatically Insulation when heated to the specified temperature.
  • 【EASY TO USE】storage tank electric water heater with easy-to-operate knob temperature adjustment design,Easy to control warmth.Vent valve, Tee pipeline, pipes and other accessories are complete for quick installation without additional expenses or preparing time of accessories.
  • 【FAST RECOVERY RATE】Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time,8-15 minutes to heat to your desired temperature).
  • 【COMPACT DESIGN】Can be shelf, wall or floor mounted (Water inlet and outlet upward); Dimensions: 18.0”L x12.6”W x10.2”H; 8.86lbs; 1/2″NPT NPT. 1.5 kW, 110-120 volts. One-year warranty and 24H customer service support, feel free to contact us.

SaleNo. 3

Stiebel Eltron 233219 2.5 gallon, 1300W, 120V SHC 2.5 Mini-Tank Electric Water Heater

  • Plugs into standard 120 volt outlet
  • T and P valve included
  • Wall-mounted with included bracket
  • Glass-lined tank and fast recovery
  • 6-Year warranty on tank

No. 4

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) – Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted

  • CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
  • INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (5.1 gal. of water supply) or horizontally (7 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit
  • RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
  • IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
  • EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included for vertical orientation only); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

No. 5

Ariston Andris 2.5 Gallon 6-Year 120-Volt Corded Point of Use Mini-Tank Electric Water Heater

  • Compact design; wall or floor mounted (wall bracket included)
  • Provide immediate hot water at the point of use; install as booster or standalone
  • Easy installation; installs right at the point of use with water connection and standard 110/120 Volt outlet
  • 6-year limited warranty on tank, 2-year warranty on parts
  • TitanShield exclusive technology that fully protects inner surface against corrosion; robust environmentally safe insulation increases energy efficiency

No. 6

Lewis N. Portable Immersion Water Heater + Electric Kettle Alternative for Coffee, Tea + Hot Chocolate, Camping, Travel + Office w/Travel Adapter, White, 120/240v

  • HEATS FAST + SIMPLE TO USE: You’ll have warm water in seconds, boiling water in just minutes. Fill your container, place the immersion heater in the liquid, then turn on the immersion heater. It’s that simple.
  • MAXIMUM SAFETY: Durable burn guard protects your coffee mug, cups, and bowls ensuring the coils never touch the sides of your dishes or containers. Safely heat coffee, tea, soup, hot chocolate, and more.
  • TRAVEL ADAPTER: Powered with a dual voltage system, (120 V for North America, and 240 V for Europe and other regions), and includes a European adapter and travel pouch; perfect for all your domestic and international travel needs
  • VERSATILE: Perfect coffee and tea heater at the office, at home, or while you travel. Wonderful addition to your camping accessories. Compact, lightweight, and portable. No need for a bulky electric kettle
  • PERFECT GIFT: Hunter, outdoorsman, traveler, coffee or tea lover, Christmas, birthday, house warming gift, or for the person who already has everything! Keep at home, at the office, in the camper, or in your suitcase

No. 7

Hot Water Heater,110V 3000W Mini Electric Tankless Instant Hot Water Heater Bathroom Kitchen Washing (US Plug)(Black)

  • 【SELLER TIPS】Those who mind will buy with caution! ! !The heating power of this product is constant, the temperature is adjusted by the water flow regulating valve or the tap switch, the high temperature of the water flow is low, and the low temperature of the water flow is high. According to our actual tests, the outdoor water temperature is low, and the water flow should not be too large, which is suitable for daily washing. Those who mind will buy with caution! ! !
  • 【INSTANT & SUFFICIENT HOT WATER】The heating of the product is adjusted by the water flow regulating valve or the faucet switch. Large water flow means low temperature, and small water flow means high temperature. Applied with 3000W heating system, the electric water heater supplies instant, consistent and endless hot water shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those “lukewarm” toys.
  • 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flowing rate and temp setting in real time. thus you still get ideal temperature instead of scalding hot water, which means comfortable experience, simple operation. It is recommended that the product be washed in winter for hand washing, dish washing, face washing and other scenes;Those who mind will buy with caution! ! !
  • 【Eco & Electric & Water Saving】 Safe heater, save up to 55% on your electric cost, water saving, no pollution, no exhaust gas.The heating of the product is adjusted by the water flow regulating valve or the faucet switch. Large water flow means low temperature, and small water flow means high temperature. It is recommended that the product be washed in winter for hand washing, dish washing, face washing and other scenes.
  • 【SAFE AND DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Safe heater, electricity saving, water saving, no pollution, no exhaust gas.The temperature is adjusted by the water flow regulating valve or the tap switch.Those who mind will buy with caution! ! !

No. 8

RV Tankless Water Heater, FOGATTI 2.9 GPM, 55000 BTU Hot Water Heater with 15 x 15 Inches White Door

  • The cutout size of water heater is 13 x 13 inches, with door size 15 x 15 inches. Higher heating capacity 55000 BTU and max flow up to 2.9 GPM.
  • Fogatti tankless water heater has wide retrofit compatibility and can provide endless instant hot water for your RV life without the hassle of replacing magnesium rods.
  • The built-in regulating burner is used to provide a stable water temperature with a range of 95°F to 123°F.
  • Equipped with multiple safety functions with flameout, anti-freeze, overheat and overvoltage protection.
  • Fogatti provide free replacement within 60 days, repair service within 5 years (heat exchange part within 2 years). The above mentioned labor costs extra from 61 days.

No. 9

Aufee Instant Water Heater, White Mini Tankless Instant Hot Water Heater Bathroom Kitchen Washing with LED Indicator Light for Hot and Cold Dual-Use (US 110V)

  • 【INSTANT & SUFFICIENT HOT WATER】It is a high efficient water heater with compact size to produce the hot water very quickly.
  • 【INSTANT & SUFFICIENT HOT WATER】It is a high efficient water heater with compact size to produce the hot water very quickly.
  • 【CONVENIENT USE】With LED indicator light, for more convenient. Freely adjust water temperature by water flowing, simple operation.
  • 【SAFE and DURABLE】Safe heater, electricity saving, water saving, no pollution, no exhaust gas.
  • 【RELIABLE QUALITY】Easy to Install, stainless construction with mini design, it is durable, elegant and fashionable.

No. 10

Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White

  • Naturally vented outdoors: you don’t need to buy a extra venting
  • Serves to a variety of applications, since washing your car, windows cleaning, wash your horse or your dog and take a hot shower
  • Perfect for campsites, cabins, remote areas or just around the house. BTU/h – 35000 BTU/h. Fuel Type – LPG(liquid propane gas). pipe fittings – 1/2 inch NPT, incoming/outgoing water and gas
  • Provide endless hot water on demand only as needed
  • No electrical connection is required

Final Words

In today’s market where same type of products is available from almost every brand, finding the right Small Water Heaters is a challenge. Every purchase requires research. Before you buy anything you need to answer the follow questions:

  • What are the features of the best Small Water Heaters?
  • How to find the right Small Water Heaters within your budget?
  • What is the average price of a good Small Water Heaters?

Our data analysis platform helps you answer these questions using state of the art algorithm. We analyze thousands of reviews from real users to generate usability score for each brand. This usability score is unbiased and powered by people’s experience the product. Then we provide you with an unbiased list of 10 best affordable Small Water Heaters to buy. Our goal is to make your decision making easy and shopping experience fun.