The 10 Best Tankless Heater of December 2022

There is an entire world of electric heaters that specialize in being the ultimate winter minimalist. These heaters are small — you might think they’d be relegated to a niche market, but they have something really special. They can go from 0 to 100 in under 30 minutes, and they operate off of no wires — which means they’re completely safe while you’re at home. In fact, you can even set your tankless Heater up outside on a sunny day, and it will come to life when the sun goes down. Read on for more information, and our pros guide on how to get the most out of your new heater.

Top Best Tankless Heater Reviews

Preview Product
#1-Top Expert Choice
Rheem 8kW 240V...image
Rheem 8kW 240V Tankless Electric Water Heater
9.8
GC Score
#2-Premium Choice
Camplux 5L Outdoor...image
Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV, Camping, Barns, White
9.7
GC Score
#3
Tankless Water Heater...image
Tankless Water Heater Electric, SIVUATEK Electric Hot Water Heater on Demand Smart Control Instant Water Heater Point of Use 240V 14kW for Shower V7B-140G
9.6
GC Score
#4
Instant Electric Tankless...image
Instant Electric Tankless Water Heater 220/240V,Small Smart Water Heater Self-Modulating No Standby Losses,Under Sink Kitchen Household Shower, Hot Water Output of 2.0 GPM (White 7KW)
9.5
GC Score
#5
Stiebel Eltron Tankless...image
Stiebel Eltron Tankless Water Heater – Tempra 24 Plus – Electric, On Demand Hot Water, Eco, White, 20.2
9.4
GC Score
#6
Rheem 240V Heating...image
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
9.3
GC Score
#7
EcoSmart ECO 18...image
EcoSmart ECO 18 Tankless Water Heater, Electric, 18 kW - Quantity 1
9.2
GC Score
#8
Rheem RTEX-24 24kW...image
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
9.1
GC Score
#9
Ecosmart ECO 36...image
Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater
9
GC Score
#10
EcoSmart ECO 11...image
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
8.9
GC Score

FAQs

What brand of tankless gas water heater is the most reliable?

There is no one-size-fits-all answer to this question, as the most reliable tankless gas water heater may be whichever brand you choose. However, some to consider include Rinnai Sensei Super, Williams-Sonoma Soggetti, and Green Mountain Water Heaters.

What is the downside of a tankless water heater?

There are several downsides to tankless water heaters. Firstly, they may require a reliable and affordable electrician to run, as tank-style water heaters usually require less electricity than tank-style heaters. Secondly, they may not be as efficient when it comes to heating water with high temperatures, as tank-style heaters can be. Thirdly, they may not produce the same amount of heat as tank-style heaters, which is why they are often used in colder environments. Finally, they may not be as good as tank-style heaters when it comes to against hot climates, as tank-style heaters will not produce as much heat.

Is Rheem as good as Rinnai?

There is no one-size-fits-all answer to this question, as the product offerings from both Rinnai and Rheem are similar. However, Rheem does offer a greater range of customer choices and greater quality features, while Rhenx is a unique product that offers a different experience and is not available on other devices.

What is the life expectancy of a Rheem tankless water heater?

The life expectancy of a Rheem tankless water heater is around 15-20 years.

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