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the best water heater of 2023

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When it comes to finding a reliable source of hot water in your home, choosing between tankless and traditional gas-powered heaters can be a difficult decision. The selection process is made easier by having an understanding of all available options on the market In this review, we’ll take an in depth look at popular models.

  1. BEST OVERALL: Rinnai RU199iN Tankless Water Heater 
  2. BEST BUDGET:
  3. BEST POINT-OF-USE WATER HEATER:
  4. BEST TANKLESS ELECTRIC WATER HEATER:
  5. BEST TANKLESS GAS WATER HEATER:
  6. BEST 50 GALLON GAS WATER HEATER:
  7. BEST 50 GALLON ELECTRIC WATER HEATER:
  8. BEST ON DEMAND WATER HEATER:

our top picks

BEST OVERALL

1. Rinnai RU199iN Tankless Water Heater | BEST overall

The Rinnai RU199iN is a tankless water heater that provides hot water on demand, without the need for a storage tank. It has a maximum flow rate of 11 gallons per minute, making it suitable for use in homes with moderate hot water demand. It is powered by natural gas and has a minimum input requirement of 140,000 BTU per hour.

Some of the key features of the Rinnai RU199iN include a digital display for easy temperature control, a built-in recirculation pump for quick hot water delivery, and a compact design that allows for easy installation.

Product specifications:

 

FUEL: natural gas

 

FLOW RATE: 11 gallons per minute

 

POWER INPUT: 140,000 BTU per hour (MINIMUM)

pros

  1. Digital display.
  2. Built-in recirculation pump.
  3. Built-in Safety features.

cons

  1. Not sufficient for larger households.
  2. Expensive.
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BEST 50 gallon gas water heater

2. Rheem PROG50-42N RH67 | best 50 gallon gas water heater

The Rheem PROG50-42N RH67 PV Professional Classic Residential 42K BTU Power Vent Natural Gas Water Heater is a 50-gallon tank-style water heater that uses natural gas to heat water. It is designed for households with 3-5 people and has a power input of 42,000 BTU/hour.

One of the key features of this best rheem gas water heater is its power vent design, which allows for versatile installation options and efficient operation. The power vent allows the water heater to be installed in a variety of locations, including areas with limited space. It also helps to improve the water heater’s efficiency by allowing for the rapid venting of exhaust gases.

pros

  1. Self-cleaning feature that reduces the build-up of sediment.
  2. Diagnostic system that alerts you to any potential issues and helps you troubleshoot them.
  3. 6-year warranty on the tank and parts.

cons

  1. Only available in a natural gas model.
  2. Limited warranty
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BEST 50 GALLON ELECTRIC WATER HEATER

3. Reliance 9-50-EGRT | 50 Gallon best Water Heater ELECTRIC

The Reliance 9-50-EGRT Tall 50 Gallon Electric Water Heater is a traditional electric storage water heater that is designed for use in residential and light commercial settings. It has a storage capacity of 50 gallons and is suitable for installation in a variety of locations, including basements and closets.

 

Some key features of the Reliance 9-50-EGRT include:

  • High recovery rate:

  • This water heater has a high recovery rate, meaning it can produce a large amount of hot water in a short period of time.

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  • Energy efficiency: 

  • The 9-50-EGRT has an energy factor of 0.93, which means it is relatively energy efficient for a traditional storage water heater.

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  • Temperature control: 

  • The water heater has a thermostat that allows you to adjust the water temperature to your desired setting.

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  • Durability: 

  • The 9-50-EGRT is constructed with a heavy-duty steel tank and a durable glass-lined tank, which helps to extend its lifespan.

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  • Easy installation: 

  • The 9-50-EGRT comes with everything you need for a simple installation, including a mounting bracket and a 3/4-inch NPT water connection.

pros

  1. Durable
  2. Energy efficient
  3. Temperature control

cons

  1. Requires more space.
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BEST BUDGET

4. EcoSmart ECO 27 Tankless Water Heater, Electric | best budget

The EcoSmart ECO 27 tankless water heater is a high-efficiency electric water heater that provides an endless supply of hot water on demand. This best water heater is designed to be energy-efficient, using up to 60% less energy than traditional tank water heaters. It is also compact and can be installed in small spaces, making it a good option for homes or businesses with limited space. It has a flow rate of up to 6.5 gallons per minute, making it suitable for use in small to medium-sized households.

best budget tankless water heater

It is Energy Star certified, which means it meets strict energy-efficiency standards set by the US Environmental Protection Agency (EPA) and the Department of Energy (DOE). It has a durable stainless steel construction and a long lifespan, so it can provide reliable hot water for many years to come.

Product specifications:

 

FUEL: Electricity

 

FLOW RATE: 6.5 gallons per minute (GPM).

 

POWER INPUT: 27 KW

pros

  1. easy to install in small spaces.
  2. suitable for use in small to medium-sized households.
  3. efficient and cost-effective.

cons

  1. may not be suitable for larger households
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BEST TANKLESS GAS WATER HEATER

5. Rinnai RL75iP Propane Gas Tankless Hot Water Heater | best tankless gas water heater

The Rinnai RL75iP is a propane-powered best water heater designed to provide a continuous supply of hot water to your home or business. It is a high-efficiency unit that uses a gas burner to heat water as it passes through a heat exchanger. The unit is designed to be installed outdoors and can be connected to a standard propane tank or a natural gas line.

One of the benefits of a tankless water heater is that it only heats water as needed, so it is more energy efficient than traditional storage tank water heaters.

The RL75iP has a maximum flow rate of 7.5 gallons per minute, which means it can provide enough hot water for multiple fixtures to be used at the same time, such as a shower and a dishwasher.

 

The RL75iP also has a digital control panel that allows you to easily adjust the temperature and monitor the unit’s performance. It is equipped with a number of safety features, including freeze protection and overheat protection, to ensure the unit operates safely and efficiently.

 

 

Product specifications:

 

FUEL: natural gas

 

FLOW RATE: 7.5 gallons per minute(GPM).

 

POWER INPUT: The RL75iP has a maximum power input of 199,000 BTUs per hour when using propane, or 180,000 BTUs per hour when using natural gas.

pros

  1. Continuous hot water.
  2. Energy efficiency
  3. Compact size
  4. Long life span
  5. Safety features

cons

  1. Professional installation required
  2. Maintenance required
  3. Limited warranty
Check Price

BEST TANKLESS ELECTRIC WATER HEATER

6. Stiebel Eltron 239223 Tankless Water Heater -Tempra 29 Plus –Best Electric Tankless Water Heater

The Stiebel Eltron Tempra 29 Plus is a tankless electric water heater that provides on-demand hot water for residential and light commercial applications. It is designed to be energy efficient and has a white exterior.

 

 

Some key features of the Tempra 29 Plus include:

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  • Advanced flow control: 

  • This feature helps to maintain a consistent water temperature, even when the flow rate changes.

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  • Digital temperature display:

  • This allows you to easily monitor and adjust the water temperature to your desired setting.

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  • Eco function:

  • This feature helps to reduce energy consumption by automatically adjusting the heating element power based on the flow rate and temperature of the incoming water.

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  • Compact size: 

  • The Tempra 29 Plus has a small footprint and can be installed in a variety of locations, including under a sink or in a closet.

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  • Easy installation: 

  • The Tempra 29 Plus comes with everything you need for a simple installation, including a mounting bracket and a 3/4-inch NPT water connection.

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  • PRODUCT SPECIFICATIONS: 

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  • Power input: 29,000 watts

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  • Flow rate: Up to 4.9 gallons per minute

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  • Temperature range: 86-140 degrees Fahrenheit (30-60 degrees Celsius)

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  • Energy factor: 0.98

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  • Dimensions: 13.4 x 13.4 x 6.7 inches

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  • Weight: 22 pounds

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  • Warranty: 7-year warranty for residential use, 2-year warranty for commercial use

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pros

  1. easy to install
  2. Compact size
  3. Digital Display.

cons

  1. Limited flow rate
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BEST POINT-OF-USE

7. Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater

  • The Ecosmart POU 3.5 is a point-of-use tankless electric water heater that is designed for use in residential and light commercial applications. It is designed to be installed directly at the point where hot water is needed, such as under a sink or in a bathroom.

best water heater

Some key features of the Ecosmart POU 3.5 include:

 

Compact size: 

The Ecosmart POU 3.5 has a small footprint, measuring just 6 x 11 x 3 inches, making it suitable for installation in a variety of locations.

 

Energy efficiency: 

The POU 3.5 has an energy factor of 0.99, which means it is highly efficient and can help to save energy and reduce water heating costs.

 

Advanced flow control: 

This feature helps to maintain a consistent water temperature, even when the flow rate changes.

 

Digital temperature display: 

This allows you to easily monitor and adjust the water temperature to your desired setting.

 

Easy installation: 

The Ecosmart POU 3.5 comes with everything you need for a simple installation, including a mounting bracket and a 1/2-inch NPT water connection.

 

PRODUCT SPECIFICATIONS:

 

Power input: 3.5 kW at 120 volts

 

Flow rate: Up to 0.5 gallons per minute

 

Temperature range: 80-140 degrees Fahrenheit (27-60 degrees Celsius)

 

Energy factor: 0.99

 

Dimensions: 6 x 11 x 3 inches

 

Weight: 4.5 pounds

 

 

Warranty: Lifetime warranty for residential use.

 

pros

  1. easy to install
  2. Compact
  3. Energy saving

cons

  1. Limited amount of hot water
  2. not suitable for large households. 
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BEST ON DEMAND WATER HEATER

8. Rinnai V94iN Non-Condensing Natural Gas Tankless Water Heater | best on demand water heater

  • The Rinnai V94iN is a non-condensing tankless natural gas water heater that is designed for indoor installation in residential and light commercial settings. It is capable of providing on-demand hot water at a flow rate of up to 9.8 gallons per minute.

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  • Some key features of the Rinnai V94iN include:

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    • High flow rate: The V94iN has a flow rate of up to 9.8 gallons per minute, making it suitable for large households or commercial applications with high hot water demand.

 

    • Energy efficiency: 

    • The V94iN has an energy factor of 0.82, which means it is relatively energy efficient and can help to save energy and reduce water heating costs.
    •  

    • Digital temperature control: 

    • The water heater has a digital temperature display and controls, allowing you to easily adjust the water temperature to your desired setting.
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    • Durability: 
    • The V94iN is constructed with high-quality components and is designed to withstand harsh environments, helping to extend its lifespan.

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    • Easy installation: 

    • The V94iN comes with everything you need for a simple installation, including a mounting bracket and a 3/4-inch NPT water connection.
 
 
PRODUCT SPECIFICATIONS:
 

  • Fuel type: Natural gas

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  • Flow rate: Up to 9.8 gallons per minute

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  • Temperature range: 98-185 degrees Fahrenheit (37-85 degrees Celsius)

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  • Energy factor: 0.82

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  • Dimensions: 12.2 x 13.8 x 27.8 inches

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  • Weight: 73 pounds

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  • Water connections: 3/4-inch NPT

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  •  Warranty: 12-year warranty for residential use, 5-year warranty for commercial use

pros

  1. easy to install
  2. Compact
  3. Energy saving

cons

  1. Frequent maintanence.
  2. Not suitable for large households. 
Check Price

factors to consider on when selecting the best water heater

There are many different factors to consider when selecting the best water heater, including the type of fuel it uses, its size and capacity, and its energy efficiency.

type of fuel:

First, consider the type of fuel that the water heater uses. The most common types of fuel are natural gas, propane, and electricity. Natural gas and propane water heaters are generally less expensive to operate than electric water heaters, but they may not be an option in areas where these fuels are not available. Electric water heaters are more efficient and environmentally friendly than gas or propane water heaters, but they can be more expensive to operate.

size and capacity:

Next, consider the size and capacity of the water heater. The size of the water heater you need will depend on the size of your household and your hot water usage. A larger water heater will be able to provide more hot water, but it will also be more expensive to purchase and operate.

energy efficiency:

In addition to size and capacity, it’s important to consider the energy efficiency of the water heater. Energy-efficient water heaters are designed to use less fuel or electricity to heat water, which can save you money on your utility bills. Look for a water heater with a high Energy Factor (EF) rating, which indicates its energy efficiency.

power input:

The power input of the best water heater refers to the amount of power that the unit requires in order to operate. It is typically measured in watts or British thermal units (BTUs), and it is an important factor to consider when choosing a water heater. The power input of a water heater determines the amount of hot water that the unit can produce, and it can affect the performance and efficiency of the unit.

installation and maintenance:

Another important factor to consider for the best water heater is the cost of installation and ongoing maintenance. Tankless gas water heaters require specialized venting and gas lines, so the installation can be more expensive than a traditional water heater. Additionally, tankless water heaters require regular maintenance and cleaning to ensure they continue to operate at peak efficiency.

what is the best water heater?

The best water heater is the one that meets your criteria based on the above-mentioned points. However, the detailed guide on the points that are mentioned above regarding each water heater will be discussed below.

types of water heaters

There are several different types of the best water heaters available on the market, each with its own unique features and benefits. The type of water heater that is best for your home will depend on your specific needs and circumstances.

 

Conventional storage water heaters:

These are the most common type of the best water heater. They consist of a tank that stores water and uses natural gas, propane, or electricity to heat the water. Conventional storage water heaters are available in a range of sizes, and the size of the water heater you need will depend on the size of your household and your hot water usage.

 

Tankless water heaters:

Also known as on-demand water heaters, these water heaters do not have a tank and heat water as it flows through the unit. This means that you can have an endless supply of hot water, and you don’t have to worry about running out. Tankless water heaters are more energy-efficient than conventional storage water heaters, but they can be more expensive to purchase and install.

 

Solar water heaters:

These water heaters use energy from the sun to heat water. They consist of a solar collector and a storage tank, and they are an environmentally-friendly option. Solar water heaters are more expensive to purchase and install than other types of water heaters, but they can save you money on your utility bills in the long run.

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