· water heaters and amp parts  · 14 min read

Best 20-Gallon Electric Water Heaters: Reviews & Buying Guide

In the market for a new water heater? Check out our top picks for the best 20-gallon electric water heaters to keep your home running smoothly.

When it comes to your home's plumbing system, a reliable water heater is essential. If you're in the market for a new one, a 20-gallon electric water heater could be the perfect solution. In this article, we'll review the best 20-gallon electric water heaters on the market, so you can make an informed decision about which one is right for you.

Overview

Rheem Performance Platinum 18kW 240V Tankless Electric Water Heater
Experience endless hot water with Rheem's cutting-edge technology.
Rheem Performance Platinum 18kW 240V Tankless Electric Water Heater
5000W Tankless Electric Water Heater for Under-Sink Instant Hot Water, with Remote, 110V
Experience Endless Hot Water Convenience with our Under-Sink 5000W Tankless Electric Water Heater
5000W Tankless Electric Water Heater for Under-Sink Instant Hot Water, with Remote, 110V
ThermoMate 11kW 240V 20-Gallon Electric Tankless Water Heater
Embrace Endless Hot Water Convenience with ThermoMate's Electric Tankless Water Heater
ThermoMate 11kW 240V 20-Gallon Electric Tankless Water Heater
AO Smith EJCT-20 Electric Water Heater: A Reliable and Energy-Efficient 20-Gallon Solution
Indulge in Endless Comfort with Our Feature-Packed 20 Gallon Electric Water Heater
AO Smith EJCT-20 Electric Water Heater: A Reliable and Energy-Efficient 20-Gallon Solution
FOGATTI 20 Gal Electric Water Heater: Effortless Whole-Home Hot Water
Warm up your home with the power of FOGAITI's Electric Tankless Water Heater!
FOGATTI 20 Gal Electric Water Heater: Effortless Whole-Home Hot Water
GE 18 Gal Electric Versatile Water Heater GE 18 Gal Electric Versatile Water Heater

PROS

  • Compact size fits tight spaces
  • Easy to install with plug and play feature
  • Adjustable thermostat for customized temperature

CONS

  • Lower gallon capacity than standard models
  • May require a dedicated circuit for optimal performance

The GE 18 Gallon Versatile Electric Water Heater is a compact and convenient solution for homes with limited space. Its plug and play feature makes installation a breeze, allowing you to install it anywhere you need hot water quickly and easily. The adjustable thermostat provides precise temperature control, ensuring you always have the perfect water temperature for showers, baths, or any other household needs.

While the 18-gallon capacity may be smaller than standard models, it is still suitable for small apartments, cabins, or other compact spaces. Its versatile design allows for both indoor and outdoor installation, making it an ideal choice for various applications. With its energy-efficient design and durable construction, this water heater promises to provide years of reliable hot water.

GE Appliances 18 Gallon Versatile Electric Water Heater with Adjustable Thermostat &... GE Appliances 18 Gallon Versatile Electric Water Heater with Adjustable Thermostat &...

PROS

  • Compact design for easy installation in small spaces
  • Adjustable thermostat allows for precise water temperature control
  • Durable construction with a rust-resistant tank and glass-lined heating element
  • Side port lowboy design provides versatility in placement options
  • Energy-efficient operation helps save on utility bills

CONS

  • Smaller capacity may not be suitable for larger households
  • Higher voltage (240 Volt) may require electrical upgrades

If you're looking for a reliable and efficient water heater for your home or business, the GE Appliances 20 Gallon Electric Water Heater is an excellent choice. Its side port lowboy design allows for versatile placement, while its compact size makes it ideal for smaller spaces. With an adjustable thermostat, you can easily set the desired water temperature, ensuring hot water at your fingertips whenever you need it.

The durable construction featuring a rust-resistant tank and glass-lined heating element ensures long-lasting performance. Additionally, its energy-efficient operation helps save on utility bills, making it an economical option in the long run. Overall, the GE Appliances 20 Gal Electric Water Heater combines functionality, durability, and efficiency, making it a top-notch choice for your water heating needs.

Ariston 20 Gal POU Electric Water Heater: Compact and Efficient Ariston 20 Gal POU Electric Water Heater: Compact and Efficient

PROS

  • Compact design fits under kitchen sink or in small spaces
  • Provides a continuous supply of hot water for showers, dishes, and laundry

CONS

  • Capacity may be limited for large households or extended use
  • Installation may require professional assistance

The Ariston 20 Gal POU Electric Water Heater offers a compact and efficient solution for smaller homes and apartments. Its modest size allows for easy under-sink installation, maximizing space utilization. Enjoy the convenience of endless hot water for your daily household needs, from showers to dishwashing and laundry.

While its compact size is a major advantage, it's important to consider the capacity limitations for larger households or prolonged water usage. Additionally, professional installation may be necessary to ensure proper functionality and safety. Overall, the Ariston 20 Gal POU Electric Water Heater is an ideal choice for those seeking a compact, efficient, and reliable water heating solution for their smaller spaces.

Rheem Performance Platinum 18kW 240V Tankless Electric Water Heater Rheem Performance Platinum 18kW 240V Tankless Electric Water Heater

PROS

  • Delivers a continuous stream of hot water on demand, eliminating cold showers and waiting time.
  • Energy-efficient design saves up to 50% on energy costs compared to traditional tank water heaters.

CONS

  • Requires a higher initial investment cost than traditional water heaters.
  • Installation may require specialized electrical expertise.

Indulge in the epitome of home comfort with Rheem's Performance Platinum Tankless Electric Water Heater. This state-of-the-art appliance harnesses the power of electricity to provide you with an endless supply of hot water at your fingertips. Say goodbye to cold showers and embrace the luxury of constant hot water.

Embracing energy efficiency, this tankless water heater operates intelligently, heating water only when you need it. This innovative design slashes your energy consumption by up to 50% compared to traditional tank water heaters, significantly reducing your energy bills and contributing to a greener home. Upgrade your water heating system with Rheem's Performance Platinum Tankless Electric Water Heater and step into a world of endless hot water comfort.

Reliance 20 Gallon 6-20-SOMS K Gas Water Heater Reliance 20 Gallon 6-20-SOMS K Gas Water Heater

PROS

  • Generous 20-gallon capacity for ample hot water supply
  • Energy-efficient operation with POWERSENSE technology

CONS

  • May require professional installation
  • Warranty coverage could be more extensive

For a reliable and efficient water heating solution, the Reliance 20 Gallon 6-20-SOMS K Gas Water Heater is an excellent choice. With its ample 20-gallon capacity, this water heater can cater to the needs of households with moderate hot water usage. The POWERSENSE technology ensures energy efficiency, potentially reducing utility bills.

Installation may require professional assistance for optimal performance, and while the warranty coverage is adequate, it could benefit from being more comprehensive. Overall, the Reliance 20 Gallon 6-20-SOMS K Gas Water Heater strikes a balance between capacity, energy efficiency, and value, making it a solid option for homeowners seeking a dependable water heating solution.

5000W Tankless Electric Water Heater for Under-Sink Instant Hot Water, with Remote, 110V 5000W Tankless Electric Water Heater for Under-Sink Instant Hot Water, with Remote, 110V

PROS

  • Provides an endless supply of hot water on demand, eliminating cold showers and long wait times.
  • Compact and space-saving design, ideal for under-sink installation, freeing up valuable space in your home.
  • User-friendly remote control allows for effortless temperature adjustments, ensuring a comfortable showering experience.
  • Advanced safety features, including overheating protection and a built-in GFCI, ensure safe operation.
  • Energy-efficient performance saves energy and reduces your utility bills.

CONS

  • Requires a dedicated 110V electrical circuit and proper wiring for optimal performance.
  • The initial cost of installation may be higher compared to traditional water heaters.

Experience the luxury of endless hot water with our top-rated 5000W Tankless Electric Water Heater. Its compact design and convenient under-sink installation make it the perfect solution for space-conscious homes. The user-friendly remote control puts you in control of your comfort, allowing you to adjust the temperature with ease. Advanced safety features ensure peace of mind, while its energy-efficient performance helps reduce your utility bills.

Say goodbye to cold showers and embrace the convenience of instant hot water. Our 20-gallon electric water heater delivers a continuous flow of hot water, so you can enjoy a comfortable showering experience whenever you need it. Whether you're upgrading your bathroom or remodeling your entire home, our tankless water heater is the perfect choice for endless hot water comfort and energy savings.

ThermoMate 11kW 240V 20-Gallon Electric Tankless Water Heater ThermoMate 11kW 240V 20-Gallon Electric Tankless Water Heater

PROS

  • Delivers an impressive 2.15GPM flow rate at a 35°F temperature rise, providing ample hot water for multiple showers or appliances.
  • Energy-efficient self-modulating technology adjusts heating based on demand, reducing energy consumption and lowering utility bills.

CONS

  • Requires professional installation as it operates at 240 volts.
  • May not be suitable for areas with extremely high hot water demands.

Indulge in the luxury of endless hot water with the ThermoMate Electric Tankless Water Heater. This 11kW, 240-volt marvel is a compact yet mighty solution for your home's hot water needs. Say goodbye to bulky, traditional water tanks and welcome the convenience of on-demand hot water delivered directly to your taps.

The ThermoMate Electric Tankless Water Heater is meticulously engineered to provide you with a consistent and reliable flow of hot water. Its intelligent self-modulating technology ensures that the water temperature remains optimal, even during peak demand periods. This innovative feature not only guarantees a comfortable and uninterrupted showering or bathing experience but also helps save energy by avoiding unnecessary heating. By tailoring the energy consumption to your specific usage patterns, you can minimize your energy costs without compromising on hot water availability.

4500W Tankless Water Heater with Digital Display 4500W Tankless Water Heater with Digital Display

PROS

  • Rapid heating with 4500W power, delivering instant hot water.
  • Energy-efficient design reduces water and electricity bills.
  • Compact size fits conveniently under sinks or in small spaces.

CONS

  • Higher initial cost compared to traditional water heaters.
  • May not be suitable for high-flow applications or multiple simultaneous uses.
Experience the convenience of instant hot water with the 4500W Tankless Water Heater! Its powerful heating element delivers hot water on demand, eliminating the need for lengthy preheating. This compact unit boasts a sleek digital display for precise temperature control and energy-saving features that reduce water and electricity consumption. Utilize its compact under-sink design to free up more space and enjoy a cost-efficient hot water solution.
AO Smith EJCT-20 Electric Water Heater: A Reliable and Energy-Efficient 20-Gallon Solution AO Smith EJCT-20 Electric Water Heater: A Reliable and Energy-Efficient 20-Gallon Solution

PROS

  • Impressive water heating capacity of 20 gallons, ensuring ample hot water for various household needs.
  • Energy-efficient design featuring an insulated tank helps reduce energy consumption and lower utility bills.
  • Durable construction with a rugged steel tank and corrosion-resistant anode rod for extended service life.
  • Effortless temperature control with an adjustable thermostat, allowing for customized hot water settings.

CONS

  • May require professional installation for optimal performance and safety.
  • Considered a mid-range option in terms of price, but offers reliable performance and value for money.

Step into a world of limitless hot water with the AO Smith EJCT-20 Electric Water Heater. This feature-packed 20-gallon behemoth stands ready to satisfy your household's every hot water craving. Its durable steel tank, paired with a corrosion-resistant anode rod, ensures unwavering longevity and reliable performance. With its adjustable thermostat, you're in complete control of the water temperature, tailoring it precisely to your preferences.

Indulge in energy savings with the EJCT-20's energy-efficient design. Its insulated tank effectively minimizes heat loss, resulting in lower energy consumption and a noticeably reduced impact on your utility bills. So, prepare to embrace endless showers, invigorating baths, and sparkling clean dishes, all without compromising your environmental conscience. Whether you're upgrading your existing water heater or embarking on a new construction project, the AO Smith EJCT-20 Electric Water Heater is an exceptional choice that guarantees a steady stream of hot water comfort for years to come.

FOGATTI 20 Gal Electric Water Heater: Effortless Whole-Home Hot Water FOGATTI 20 Gal Electric Water Heater: Effortless Whole-Home Hot Water

PROS

  • Provides an impressive 20-gallon capacity, ensuring ample hot water for your entire household.
  • Self-Adjusting Function intelligently optimizes performance based on inlet water temperature and flow rate, maximizing efficiency and comfort.
  • Copper heating element ensures long-lasting durability and high heating efficiency, reducing energy consumption.

CONS

  • Requires professional installation for optimal performance and safety.
  • Initial investment cost may be higher compared to traditional water heaters.

Introducing the FOGAITI Electric Tankless Water Heater, the epitome of convenience and efficiency for your home's hot water needs. With its remarkable 20-gallon capacity, it delivers an endless supply of steaming hot water, sufficient to cater to the demands of your entire household. No more cold showers or lukewarm baths – just a constant stream of warmth.

FOGATTI's ingenious Self-Adjustment Function takes the guesswork out of water heating. This intelligent technology automatically tailors its performance to the incoming water temperature and flow rate, ensuring optimal efficiency and water conservation. You'll never have to worry about adjusting settings or experiencing uncomfortable temperature fluctuations again. Additionally, the durable copper heating element guarantees long-lasting service and exceptional heating power, reducing your energy consumption and saving you money in the long run.

In this article, we've reviewed the best 20-gallon electric water heaters on the market. We've considered factors such as energy efficiency, performance, and features to help you choose the perfect water heater for your home.

Frequently Asked Questions

What are the benefits of a 20-gallon electric water heater?

20-gallon electric water heaters are a great option for small to medium-sized households. They're relatively inexpensive to purchase and operate, and they can provide plenty of hot water for most families. Additionally, electric water heaters are relatively easy to install and maintain.

What are the factors to consider when choosing a 20-gallon electric water heater?

When choosing a 20-gallon electric water heater, you should consider the following factors: - Energy efficiency: The energy efficiency of a water heater is measured by its Energy Factor (EF). The higher the EF, the more efficient the water heater. - Performance: The performance of a water heater is measured by its flow rate and recovery time. The flow rate is the amount of hot water that the water heater can deliver per minute. The recovery time is the amount of time it takes for the water heater to reheat a full tank of water. - Features: Some water heaters come with additional features, such as self-cleaning elements, leak detection, and remote control. These features can add to the cost of the water heater, but they can also make it more convenient to use.

What are the top 5 20-gallon electric water heaters on the market?

The top 5 20-gallon electric water heaters on the market are: 1. GE Appliances 18 Gallon Versatile Plug and Play Electric Water Heater with Adjustable Thermostat, Easily Installs Where You Want It, 120 Volt 2. GE Appliances 18 Gallon Versatile Electric Water Heater with Adjustable Thermostat & Drain Valve, Side Port Lowboy, Point of Use, 240 Volt 3. Ariston 19 Gal POU Electric Water Heater 4. Rheem 18kW 240V Tankless Electric Water Heater, Gray 5. Reliance 6-20-SOMS K 20GAL ELEC Water Heater, 20 Gallon

How do I install a 20-gallon electric water heater?

Installing a 20-gallon electric water heater is a job best left to a qualified electrician. However, if you're confident in your DIY skills, you can follow these steps: 1. Shut off the water supply to the old water heater. 2. Disconnect the power to the old water heater. 3. Drain the water from the old water heater. 4. Disconnect the old water heater from the water lines and electrical wiring. 5. Remove the old water heater from the wall or floor. 6. Install the new water heater on the wall or floor. 7. Connect the new water heater to the water lines and electrical wiring. 8. Turn on the water supply to the new water heater. 9. Turn on the power to the new water heater. 10. Check for leaks.

How do I maintain a 20-gallon electric water heater?

To maintain a 20-gallon electric water heater, you should: 1. Flush the water heater once a year to remove sediment. 2. Check the anode rod every 3-5 years and replace it if it's corroded. 3. Inspect the water heater for leaks regularly. 4. Call a qualified electrician if you experience any problems with the water heater.

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