The Best Small Water Heater For 2023
By, Shannon FrickeUpdated
Summary
1. Best Overall: Bosch Thermotechnology Electric Mini-Tank Water Heater
Bosch Thermotechnology Electric Mini-Tank Water Heater is a 2.5-gallon point-of-use mini-tank that provides hot water right where you need it for maximum convenience. Its premium glass line with aluminum and polyester insulation keeps the water warmer for longer so you can use less energy. This tank fits under your sink to provide instant hot water anywhere in the home. Read Review
2. Runner Up: Ariston Andris Mini-Tank Electric Water Heater
Ariston Andris Mini-Tank Electric Water Heater is a great addition to your home. It has a Compact design, provides immediate hot water at the point of use, installs as a booster or standalone, and installs right at the point of use with a water connection and standard 110/120 Volt outlet. With its low-temperature setting and quick heat-up time, it is perfect for your everyday needs. Read Review
3. Best Durable: Stiebel Eltron 233219 Mini-Tank Electric Water Heater
Now you can enjoy the convenience of electric water heating in your home, office, or patio. Stiebel Eltron's Mini-Tank Electric Water Heater is wall-mounted with the included bracket, T and P valve included, and plugs into a standard 120-volt outlet. Read Review
4. Best Reliable: Camplux ME60 Mini Tank Electric Water Heater
Camplux helps Saving Energy & Money. Camplux is a point-of-use electric water heater designed to fit under your sink, saving you money and saving energy by reducing unnecessary heat loss. This high-quality tank with an elegant design fits under your sink, providing hot water right where you need it with no hidden power cords or bulky installation required. Read Review
5. Best Powerful: thermomate Mini Tank Electric Water Heater
Thermomat is an advanced, compact, easy-to-use, and reliable water heater that provides instant hot water where you need it with fast recovery. Thermomate is a great solution for your household or commercial needs. The compact design allows it to fit under your sink or just about anywhere else in the space you need! Read Review
When it comes to your home, you should always think first of the safety and comfort of everyone who uses it. But when you also want to get the most out of every dollar, that’s a lot harder.
For example, which is more expensive: a water heater that runs all the time so you don’t have to worry about turning it off at night or one that shuts off when it reaches its temperature? If you answered the latter, then you understand how important it is to choose the right water heater for your home.
Luckily, with so many options available today, finding the best small water heater isn’t as difficult as you might think. Here are some helpful tips on how to go about it.
After lots of research based on customer feedback, We think the best small water heater is Bosch Thermotechnology Electric Mini-Tank Water Heater. We have provided you with a detailed buyer's guide, you can check a Ariston Andris Mini-Tank Electric Water Heater or many other good choices so that you can decide which one is the best for your requirements.
Our Top Picks
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)
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
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
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
Easy installation; installs right at the point of use with water connection and standard 110/120 Volt outlet (requires hard wiring)
Provide immediate hot water at the point of use; install as booster or standalone
Compact design; wall or floor mounted (wall bracket included)
Glass-lined tank and fast recovery
T and P valve included
Plugs into standard 120 volt outlet
6-Year warranty on tank
Wall-mounted with included bracket
High Quality Built & Elegant Design- Camplux electric water heater has glass-lined tank for long service life and easy to maintain. Elegant streamline design cover, made your kitchen more pretty.
UL Approval Safety - Thermostat Control allows adjustment of water temperature. High Limit device provide protection while overheating.
Saving Energy & Money- Built in insulation foam, reduces heat loss. 6-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it.
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. Product dimension:15.75" W x 21" H x 15.5" D.
43.3‘’ cord plugs into 120 volt outlet for independent installation or in-line with a large hot water source.(Max. water pressure is 150 PSI, CSA listed Temperature & Pressure relief valve included)
Adjustable Temperature - Thermostat with 3 temperature level settings, range from 50°F to 149°F with high temperature limit protection, also a freeze mode to prevent tank from freezing
UL Certified & Durable - Enamel Coating Glass-lined tank for great insulation and preventing leaking, CASH USA made Temperature & Pressure Relief valve included, UL certified ensuring a safe long service life
Specifications and Warranty - Dimensions: 14.5"H x 14.5"W x 12.9"D; Weight:19.8lbs; Water connections: 1/2" NPT, Electrical requirements: 1.44 kW at 120 volts, plug-in connection with 2 feet power cord; Max water pressure:150PSI; Nominal current: 12A. 3-year Limited Warranty for the tank, 1-year warranty for parts and 24hours customer service
No More Wait for Hot Water - Point of use 4 gallons mini tank water heater provides instant hot water where you need it with fast recovery, reducing standby loss. Thermal efficiency up to 99%
Easy Installations - Dimensions 14.5"W x 14.5"H x 12.9"D compact design, can be wall or floor mounted under sink / counter, plug into a standard 120V outlet, no special wiring required. Nominal current 12amps
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
EASILY MOUNTED: Can be shelf or floor mounted. Wall mounting available in vertical orientation only (water connections on top) - bracket included. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water
RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
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
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)
【Safe& Durable Water Heater】The on demand electric water heater is newly updated and applied with multiple protection devices, such as leakage protection, over heating protection and auto stop. Every piece of M1-65 goes through strict tests to ensure 100% safety and it is listed by ETL and qualifies for UL. Totally suitable for household, school, hospital, office, bar and other public facility.
【Smart Electric Water Heater】The electric instant water heater M1-65 adjusts power input based on flow rate and temp setting real time, thus, you get stable temperature out of it even when flowrate changes, which commits comfortable experience, safety and optimal energy efficiency of 98%, saving considerable electric charge.
【Unique Water Heater Electric】The electric tankless water heater M1-65 is equipped with a specially designed heating chamber, which runs water line and electricity line separated. It brings the benefits of no leakage, no corrosion and minimized scale deposition, so you can expect its outstanding performance in yeas to come, with nearly zero maintenance. Also, it is fully covered by 3 years warranty with confidence.
【Electric Tankless Water Heater】The M1-65 is compact design for point of use, in the meanwhile it is able to provide sufficient and luxury endless hot water with its powerful 6.5kW heating system. It is great idea to install this kind of tankless water heater electric a few ft away from the faucet or other feature, to get instant and sufficient hot water of 110℉ in seconds.
【Point of Use Water Heater Electric】The sleek electric tankless water heater M1-65 is compact as an oatmeal box, making it possible to install anywhere point of use to avoid energy and water waste. It comes with standard plumbing connections 1/2" NPT and pigtail cord for easy installation with basic DIY skills and reference to the detailed instruction manual provided by SIVUATEK.
【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).
【UPGRADE】According to the customer feedback, the cylinder thickness of the water heater has increased from 0.8mm to 1.2mm. In order to make installation easier, the T-tube has been replaced with a new one! We will constantly improve our products.
【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.
【SERVRLF】If you have any questions about the product, you can contact us in time, and the customer service is online 24 hours a day for you
【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.
【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.
✔Its total power is 1500w and it has multiple installation methods. It is applicable for different water pressure of different areas, especially for families which are located on higher floors with low water pressure.
✔It can be installed in the kitchen, rest room, bathroom or any other places you want optionally because of its characteristics of small area, strong applicability and convenient installation.
✔It is a directly heating type with high efficiency and low power heating tube, which can take advantage of the thermal energy maximally. The temperature can be adjusted between 55℃-75℃ optionally, and the power will be off automatically when the set temperature is achieved.
✔This product uses green environmental material, which is qualified for international standard, and satisfies difficulties of hot water supply for multiple places, easily solves issues such as face washing, bathing, vegetable washing and dish washing.
✔This is a lightweight electric water heater with a perfect combination of inner quality and classical appearance, which applies for multiple demands of different families.
What to Look For in a best small water heater?
We're sure you've purchased something and afterward regretted it. We are all concerned about the items we purchase. The easiest method to prevent these concerns is to conduct a thorough study before purchasing the best small water heater.
That is also why we decided to introduce this post in order to provide you with advice on how to avoid buying errors when selecting the best small water heater.
Brass Vs. Plastic Drain Valves
Tankless Or Tank
Gas Or Electric
Efficiency Rating
The difference between electricity and gas rates means that this rating doesn't give a good indication of the cost you could expect to pay for the unit. A gas heater with a lower efficiency rating will be more efficient than one that uses electricity. However, gas heaters are mucher than electric ones.
Because they don't have to run constantly to heat water, tankless heaters are significantlyer than storage tanks heaters. A tankless water heater can cut down on your energy bills by up to 40% depending on how much hot water you use. To determine the impact on your budget, it is better to calculate the annual operating cost for the hot water heater.
Venting Needs
Digital Displays
Space
Tank Capacity
Anti-Scale Devices
FAQs
How Often Should I Replace My Water Heater?
According to professionals, your water heater should be replaced every 10 years. A water heater cannot be guaranteed for this long. It is possible that your water heater will need to be replaced sooner than expected.
Can You Still Shower If Your Water Heater Is Leaking?
You can still take a hot shower even if your water heater is leaking. You can shower even if the leak becomes severe. It will just mean that you won't get hot water.
How Do You Drain A Water Heater?
First, drain the hot water heater by flushing it with water at full pressure. After connecting the drain line, open the drain valve and close it again. The valve will dislodge any sediment, allowing the system to drain faster.
Then, disconnect your water heater from either the electric or gas power supply and shut down the main water supply. Next, disconnect the drain hose from the quick flush and open the drain valve. Once you let air in the tank, water will not flow out. You will need to remove the hot water pipe from the top of the water heater, and then move the pipe to the side. You will see the tank begin to drain.
What Are The Signs Your Hot Water Heater Is Going Out?
A failing water heater can be identified by a series of telltale symptoms, such as banging sounds inside the tank and a decrease in temperature.
What Is A Water Heater?
A boiler is often confused with a water heater. What is the difference between a boiler and a water heater? A water heater heats water to be used for showering, cooking, cleaning, or other purposes. The water heater heats cold water coming from the water supply pipe. It then gives you hot water ready to use for washing your clothes or running a faucet. Water heaters use water that's suitable for cleaning and cooking (potable). A boiler, on the other hand is designed to heat your home and heat water from the taps.
How Do Water Heaters Work?
A tank-style water heater uses a dip tube that has an outlet in the bottom to heat the cold water. The tank's temperature is monitored by an internal thermostat which activates either a heating element, or a burner that warms water to the desired temperature.
Dual heating elements are used in electric water heaters to heat the water. The bottom heating element heats the coldest water faster, while the top one warms the water if it becomes too hot.
A pilot light, or electronic ignition system for gas water heaters ignites the gas that is flowing to a burner. Before shutting off, the burner heats water in the tank until it reaches a desired temperature. The exhaust is then vented outside.
Water heaters that are tankless don't keep water. They heat the water by using either electric or gas heating elements. The temperature of the hot water is a factor in how fast it flows, however most units are capable of providing hot water at a flow rate between 2 and 7 GPM.
How Long Does A Water Heater Last?
Although water heaters come with varying lifespan expectations, many can last for between 8-12 years. Some water heaters can last up to 20 years. Your water quality can make a difference in how long your heater will last. Over time, corrosion can occur from heavy minerals or sediment.
Depending on which model you select, the manufacturer may offer different warranty terms. The most common warranty period is usually between 6 and 9 years.
Gas Vs Electric Water Heaters: Which Is Right For You?
It's not cheap to install a water heater in your house. This is why it's important that you take some time thinking about how to charge your appliances. First, electric heaters offer the most sustainable option for the environment. If you choose one, it will be a better choice for your planet. Although electric water heaters work better, the price of electricity is higher than that of traditional gas options. You can still use your gas heater even if there is no power, so you have less to worry about during a crisis.
Can Water Heaters Explode?
Electric and gas hot water heaters are susceptible to explosions. Explosions are rare, but can be caused by increased pressure in the heater, poor installation or maintenance, failure to set the temperature and relief valve (T & P), gas heaters, flammable liquids, or gas leaks.
What Is The Best Compact Water Heater For Saving Space?
Mini-tank or tankless water heaters are compact and light, which makes them great for small homes that have less space.
Conclusion
Finally, the best small water heater may be readily used and offers a range of options to meet your needs. When looking for another kind of best small water heater, which we recommend Focket Electric Tankless Water Heater, all of these characteristics are significant.
We've combed through all of this data in order to assist you in making the best decision possible. Let us know if there's anything else we can do to help you discover the best small water heater in the comments section below!
About Shannon Fricke
