The 10 Best Small Tankless Water Heater of December 2022

Do you need a water heater that gets the job done, at a low cost, and is easy to clean? If you live anywhere with an intense summer heatwave, it’s time to get your heater up to date. A tankless water heater is an automatic water heating system that heats water when it needs to be heated. Instead of hard-working households relying on gas or electric heaters, these systems are great for homes with limited space or those who just don’t want to deal with the hassle of electricity. There are several small but efficient varieties available, making this the perfect choice for anyone who wants to cut back on heating costs and improve air quality.

Top Best Small Tankless Water Heater Reviews

Preview Product
#1-Top Expert Choice
Tankless Water Heater...image
Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,White
9.8
GC Score
#2-Premium Choice
EcoSmart ECO 11...image
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
9.7
GC Score
#3
Marey GA5PORT Portable...image
Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White
9.6
GC Score
#4
Aufee Instant Water...image
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)
9.5
GC Score
#5
GE APPLIANCES 3.5...image
GE APPLIANCES 3.5 kW 120v Tankless Water Heater | Electric Water Heater with Digital Temperature Control | 3500 Watts | 0.7 Gallons per Minute, Diamond Gray (GE04SNLPDG)
9.4
GC Score
#6
Rheem 11kW 240V...image
Rheem 11kW 240V Tankless Electric Water Heater
9.3
GC Score
#7
Airthereal Electric Tankless...image
Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series
9.2
GC Score
#8
DAORDAER Mini Electric...image
DAORDAER Mini Electric Tankless Water Heater 3000W 110V Constant Temperature Instant Hot Water Heater with Remote Control Digital Display On Demand Hot Water Heater
9.1
GC Score
#9
Rheem 240V Heating...image
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
9
GC Score
#10
Rinnai V53DeN Natural...image
Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation
8.9
GC Score

FAQs

Which is cheaper to operate gas or electric tankless water heater?

Electric tankless water heaters are typically cheaper to operate than gas tankless water heaters. They can be found for a lower price both online and in stores. Electric tankless water heaters are typically cheaper to maintain than gas tankless water heaters.

What size breaker do I need for a tankless water heater?

A large breakerset can be used for a tankless water heater, but smaller sets are also available. The larger the set, the less likely it will heat up first. It is best to a customers preference.

Can you run out of hot water with a tankless water heater?

Yes, this is possible if the water heater is modelling a standard watermaker that takes into account the water temperature. If the water temperature decreases by more than 10 degrees Celsius during the warranty period, the water heater will start to lose heat and will not work properly.

Why is my tankless water heater tripping the breaker?

There are three main reasons that can cause the breaker to trip the Gusman water heater Tripping the breaker is typically caused by either a) a bad thermostat, b) a burnt-out heating element, or c) a wiring problem. If your water heater is going through a break-out process, you may only have one wire going through the breaker – this is most likely because of the way the thermostat is connected.

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