5 Best Electric Water Heaters for Residential Use [In 2025]

When it comes to providing hot water for your home, electric water heaters have become a popular choice for residential use. These units offer a reliable and energy-efficient solution, delivering a continuous supply of hot water on demand. In this comprehensive review, we’ll explore some of the best electric water heaters on the market, analyzing their features, performance, and customer feedback to help you make an informed decision.

5 Best Electric Water Heaters for Residential Use Reviews

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater

Overview

The Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater is a high-performance unit that provides endless hot water on demand. It’s designed for efficient and reliable operation, making it a popular choice for residential applications.

Specs

• External adjustable digital thermostatic control with LED display (+/1 degree accuracy)
• Durable Copper immersion two heating elements, field Serviceable
• Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
• 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
• Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate up to 3.17 GPM
• 54 A

Pros

• Endless hot water supply
• Energy-efficient design
• Compact and easy to install
• Reliable performance with consistent temperature

Cons

• Some reports of units failing within a short period

Customer Review

Customers find the water heater works well for whole-house use and appreciate its hot water on demand feature, with one customer noting it performs well on low-pressure systems. The unit is easy to install, particularly in tight spaces, and customers consider it the best unit on the market, with one mentioning it paid for itself in two years. While the size is perfect for single bathrooms and vacation rentals, some customers report units failing within five months of use.

Tankless Water Heater Electric 27kW 208~240 Volt

Overview

The Tankless Water Heater Electric 27kW 208~240 Volt is an on-demand tankless water heater that provides instant and endless hot water for residential use. It features self-modulating technology to optimize energy consumption and deliver stable water temperatures.

Specs

• Instant Unlimited Hot Water – On demand tankless electric water heater, providing hot water in 3 seconds when you need it and as long as you need, eliminating wait time, never run out of hot water again and No More cold shower. Flow Rate 5.27GPM @35°F Rise. Requires 120Amp breaker (3 Sets of Double-pole 40AMP Breakers)
• Self-modulating Power – Self-modulating technology regulating the amount of energy required to heat water only when you need it with 99.8% efficient, saving up to 60% on water heating cost comparing to traditional tank water heater. Wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces.
• Stable Water Temperature – Auto adjusting energy consumption basing on income water temperature and flow, ensuring maximum efficiency, continuous stable temperature and optimal power usage. Digital temperature display allowing adjustment in 1° increment from 80°F to 140°F. Heating element separated from water tube significantly reducing scale, corrosion and mineral buildup on the element, achieving better performance and low maintenance.
• Easy Installation & Safety Protection – ETL certified with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection

Pros

• Provides instant and continuous hot water
• Self-modulating technology for energy efficiency
• Compact and easy to install design
• Stable and adjustable water temperature

Cons

• Some customers report longer heat-up times
• Mixed feedback on energy efficiency in certain climates

Customer Review

Customers find the water heater works well, particularly in small homes and when water flow is reduced, and appreciate its ability to keep water consistently hot with manual temperature control. The unit is easy to install with good instructions, and customers consider it a great unit that saves money on electric bills. While some customers report quick water heating, others mention it takes a long time to heat up. Energy efficiency receives mixed feedback, with some customers reporting a 275.00 drop in electric bills while others note increased usage in winter.

Fogatti 27kW Electric Tankless Water Heater

Overview

The Fogatti 27kW Electric Tankless Water Heater is a high-performance, on-demand water heater designed for residential whole-house applications. It features a compact size, precise temperature control, and advanced safety features.

Specs

• Installation Guidelines：Be sure to understand the wire usage requirements first.Fogatti 27kW 240V electric tankless water heater draw max 100Amp; it requires 3 x 40 AMP Circuit Breaker Size and 3 x (8AWG/2) wires; Water connection 3/4″ NPT.
• Instant Endless Hot Water The Fogatti 27kW electric tankless water heater delivers high heating efficiency up to 98%. It heats water instantly upon activation and maintains a stable temperature. With a flow rate of 6.7 GPM, it supports 3-4 simultaneous usage points throughout your home.
• Simple to use：Featuring intuitive knob controls and an LED display, this electric tankless water heater offers precise temperature adjustments in 1°F increments from 86°F to 140°F. The digital interface ensures your family enjoys endless hot water with optimal efficiency.
• Reliable & SafeETL-certified, the Fogatti electric tankless heater includes advanced safety protections such as overheating prevention and leak detection. These features maintain safe water temperatures to reduce scalding risks.
• Compact Size Measuring 17.1″ x 12.9″ x 3.9″, this wall-mounted unit is significantly smaller than traditional tank heaters. Its space-saving design allows flexible installation in various household locations.

Pros

• Provides instant and endless hot water
• Intuitive controls and precise temperature adjustment
• Compact and easy to install design
• Includes safety features for reliable operation

Cons

• Mixed feedback on water temperature consistency

Customer Review

Customers find the water heater works well, with one mentioning it provides endless hot water, and they appreciate its easy installation. The water temperature receives mixed feedback, with several customers noting it provides instant hot water, while one reports the water going cold in the middle of a shower.

Rheem 6.5kW 240V Point of Use Thermostatic Tankless Electric Water Heater

Overview

The Rheem 6.5kW 240V Point of Use Thermostatic Tankless Electric Water Heater is a compact and efficient unit designed for point-of-use installation, providing hot water on demand without the need for a traditional tank.

Specs

• Endless On-Demand Hot Water – Consistent hot water when you need it that never runs out
• Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
• Save Space – Rheem Professional POU T tankless electric water heaters are 90% smaller than traditional tank heaters, great for point-of-use installation
• Save Energy – only heats water when in use

Pros

• Provides consistent and on-demand hot water
• Compact and space-saving design
• Energy-efficient operation

Cons

• Mixed feedback on water heating capacity and duration
• Some issues reported with wiring directions

Customer Review

Customers find the water heater functions well and is easy to install, with one noting it works better with reduced water flow. The heat transfer receives mixed feedback, with customers reporting it gets hot quickly but stays hot for only a few seconds. The water heating capacity and wiring directions also get mixed reviews, with one customer mentioning it heats water decently while another notes it doesn’t provide enough hot water.

Rheem PROE6 1 RH POU Professional Classic Residential 6 Gallon Electric Point-of-Use Water Heater

Overview

The Rheem PROE6 1 RH POU Professional Classic Residential 6 Gallon Electric Point-of-Use Water Heater is a compact and efficient electric water heater designed for point-of-use installation, providing hot water on demand.

Specs

• Over-temperature protector cuts off power in excess temperature situations
• Automatic thermostat keeps water at desired temperature
• Wall bracket for easy wall mount installations and corrosion resistant 1/4 turn drain valve included with 2.5 gallon model
• .90 UEF for 30-gallon model
• Exclusive Ruudglas tank lining resists corrosion and prolongs tank life
• These units are U. L. listed and comply with Underwriter’s Laboratories Specifications 174
• Enhanced-flow brass drain valve on 2. 5-gallon model
• Low lead compliant

Pros

• Provides on-demand hot water
• Automatic temperature control
• Compact and easy to install design
• Corrosion-resistant construction

Cons

• Limited information on customer reviews

Buying Guide

Factors to Consider When Choosing an Electric Water Heater

Size and Capacity

• Determine the appropriate size and capacity based on your household’s hot water needs, taking into account the number of bathrooms, appliances, and simultaneous usage.
• Consider the flow rate (gallons per minute) to ensure the heater can meet your peak demand.
• For whole-house applications, look for higher-capacity units, while point-of-use heaters may be suitable for smaller, individual needs.

Energy Efficiency

• Look for energy-efficient models with features like self-modulating technology, which adjusts power consumption based on demand.
• Check the Energy Factor (EF) or Uniform Energy Factor (UEF) rating to understand the unit’s efficiency.
• Efficient models can help you save on your utility bills in the long run.

Installation and Ease of Use

• Consider the unit’s physical size and weight to ensure it can be easily installed in your desired location.
• Look for models with intuitive controls and temperature adjustment features for user-friendly operation.
• Ensure the electrical requirements (voltage, amperage, and breaker size) are compatible with your home’s electrical system.

Safety Features

• Look for units with safety features like overheating protection, leak detection, and automatic shut-off to prevent potential hazards.
• Ensure the water heater is UL-listed or ETL-certified for compliance with safety standards.
• Consider models with temperature control options to prevent scalding accidents.

Warranty and Durability

• Check the manufacturer’s warranty coverage, including parts and labor, to ensure long-term protection.
• Look for units with corrosion-resistant materials and construction for improved longevity.
• Review customer feedback on the product’s reliability and performance over time.

FAQs

1. What are the benefits of an electric water heater over a traditional tank-style heater?

Electric water heaters are often more energy-efficient, provide on-demand hot water, and require less space compared to traditional tank-style models. They also eliminate the risk of tank leaks and can be more affordable to install in some cases.

2. How do I determine the right size electric water heater for my home?

The size of the electric water heater you need depends on factors like the number of bathrooms, the number of people in your household, and the expected hot water usage. It’s generally recommended to consult with a professional installer or use an online sizing calculator to determine the appropriate size for your needs.

3. Can I install an electric water heater myself, or should I hire a professional?

While some electric water heaters may be suitable for DIY installation, it’s generally recommended to have a licensed electrician or plumber handle the installation. They can ensure the unit is properly connected to your home’s electrical and plumbing systems, and they can address any potential safety or code compliance concerns.

4. How energy-efficient are electric water heaters compared to other types of water heaters?

Electric water heaters can be highly energy-efficient, with many models achieving energy factors (EF) or uniform energy factors (UEF) of 0.9 or higher. This means they can convert a significant portion of the electrical energy into usable hot water, resulting in lower energy costs compared to less efficient models or other types of water heaters.

5. How long do electric water heaters typically last?

With proper maintenance and care, electric water heaters can last anywhere from 8 to 12 years on average. Factors like water quality, usage patterns, and the quality of the unit can all impact the lifespan. Regular