Hot water heater after proper installation in Lakeland, FL

How to Choose the Right Water Heater for Your Home

A water heater is an essential appliance in every household, providing hot water for daily activities like bathing, washing dishes, and doing laundry. However, choosing the right water heater for your home can be a daunting task, given the multitude of options available in the market. 

It’s crucial to consider various factors such as energy efficiency, fuel type, capacity, and cost before making a decision. In this comprehensive guide, we will walk you through the process of selecting the perfect water heater for your specific needs, ensuring that you make an informed and cost-effective choice.

First, Assess Your Needs

Before diving into the world of water heaters, start by assessing your specific requirements. Consider the size of your household, the number of bathrooms, and the average hot water demand. 

Understanding your needs will help determine the appropriate capacity and output of the water heater you should choose. Additionally, consider your energy usage preferences, available space for water heater installation, and budget constraints.

Types of Water Heaters

There are several types of water heaters available, each with its unique characteristics. Here are the most common types:

Storage Tank Water Heaters

These traditional water heaters store and constantly heat a specified amount of water in a tank. They are available in various sizes and can run on electricity, gas, or oil. They are a suitable option for larger households with consistent hot water needs. 


  • Availability: Storage tank water heaters are widely available and come in various sizes and fuel options.
  • Affordability: They tend to have lower upfront costs compared to other types of water heaters.
  • Simplicity: Installation and maintenance are relatively straightforward.


  • Limited Hot Water Supply: Once the stored hot water is depleted, it takes time for the tank to refill and heat the water again.
  • Standby Heat Loss: Energy is constantly consumed to maintain the water in the tank at a set temperature, even when hot water is not being used.
  • Space Requirements: Storage tank water heaters require dedicated space for installation and may not be suitable for smaller homes with limited space.
tank storage water heater

Tankless Water Heaters

As the name suggests, tankless hot water heaters heat water directly without the need for storage. They are compact and provide hot water on-demand, making them ideal for smaller homes with limited space. 


  • Energy Efficiency: They heat water only when needed, reducing standby heat loss and resulting in energy savings.
  • Unlimited Hot Water Supply: Tankless water heaters can provide a continuous flow of hot water, making them ideal for larger households.
  • Space-Saving: Their compact size allows for flexible installation options, such as wall-mounting.


  • Higher Initial Cost: Tankless water heaters generally have a higher upfront cost compared to storage tank water heaters.
  • Limited Flow Rate: The hot water flow rate may be limited, especially if multiple hot water outlets are used simultaneously.
  • Installation Complexity: Depending on the electrical or gas requirements, installation may involve additional plumbing and electrical work.

Heat Pump Water Heaters

These energy-efficient units extract heat from the surrounding air or ground to heat water. They are cost-effective in moderate climates and have a higher upfront cost but lower operating expenses. 


  • Energy Efficiency: They can produce hot water using significantly less energy compared to traditional electric water heaters.
  • Cost Savings: The reduced energy consumption can result in lower utility bills over time.
  • Environmentally Friendly: They have a lower carbon footprint due to their reduced energy usage.


  • Higher Initial Cost: Heat pump water heaters have a higher upfront cost compared to conventional water heaters.
  • Climate Dependence: Their performance may be affected by extreme temperatures or climate conditions.
  • Space Requirements: They require adequate space for installation, including proper ventilation.
tank less water heater repaired

Solar Water Heaters

Harnessing the power of the sun, solar water heaters utilize solar panels to heat the water. They are environmentally friendly and provide significant energy savings in the long run.


  • Renewable Energy Source: They rely on the sun’s energy, reducing reliance on traditional energy sources.
  • Long-Term Savings: Solar water heaters can provide significant savings on utility bills over their lifespan.
  • Environmental Benefits: They have a minimal environmental impact, as they do not produce greenhouse gas emissions during operation.


  • High Initial Cost: Solar water heaters have a higher upfront cost, including the installation of solar panels.
  • Climate Dependence: Their performance is influenced by the availability of sunlight, making them less efficient in cloudy or colder regions.
  • Space and Aesthetics: Adequate space for solar panels is required, and their installation may affect the visual aesthetics of your home.

Energy Efficiency and Fuel Type

Energy efficiency is a crucial factor to consider when selecting a water heater. It not only impacts your utility bills but also has environmental implications.

When assessing the energy efficiency of a water heater, one essential metric to consider is the Energy Factor (EF) rating. According to Energy.gov, the EF rating measures how efficiently a water heater converts energy into hot water. A higher EF rating indicates a more efficient unit. 

Water heaters can run on various fuel types, including electricity, natural gas, propane, and oil. Each fuel type has its own pros and cons in terms of cost, availability, and environmental impact. Here’s a breakdown of the common fuel types:


Electric water heaters are widely available and easy to install. They are often more expensive to operate compared to other fuel types, but recent advancements have made electric water heaters more energy efficient.

Natural Gas

Natural gas water heaters are popular due to their relatively low operating costs. They heat water quickly and are suitable for larger households with high hot water demand. However, installation may require a natural gas line, and availability can vary based on location.


Propane water heaters are an alternative for areas where natural gas is not readily available. They offer similar benefits to natural gas water heaters but require a propane storage tank, which may incur additional costs.


Oil water heaters are less common and typically found in areas without access to natural gas or propane. They can be costlier to operate due to fluctuating oil prices, and regular maintenance is necessary to ensure efficient operation.

To help you understand the approximate costs associated with different fuel types, refer to the chart below:

Fuel Type | Approximate Annual Operating Cost (for a family of four)
Electricity | $450 – $700
Natural Gas | $250 – $450
Propane | $700 – $1,000
Oil | $700 – $1,200

(Please note that these figures are approximate and can vary based on factors such as regional energy costs and hot water usage patterns.)

Choosing an energy-efficient water heater with a fuel type that aligns with your preferences and local availability can help you save money and reduce your carbon footprint. Be sure to compare energy efficiency ratings, fuel costs, and consider any potential incentives or rebates offered by utility companies or government programs to further enhance your cost savings.

Size and Capacity

Selecting the right size and capacity for your water heater is crucial to ensure optimal performance and meet your household’s hot water demands. A water heater that is too small may result in frequent hot water shortages, while an oversized unit can lead to unnecessary energy consumption. Here are some guidelines to help you determine the appropriate size for your household:

Consider the Number of Bathrooms

The number of bathrooms in your home is a good starting point to estimate your hot water needs. As a general rule of thumb, a small to medium-sized home with one to two bathrooms typically requires a water heater with a capacity of 30 to 40 gallons. Larger homes with three or more bathrooms may require a water heater with a capacity of 50 gallons or more.

Assess Peak Hot Water Demand

Determine the peak hot water demand in your household, which refers to the simultaneous use of hot water in various outlets. For example, if someone is showering while another person is running the dishwasher and laundry, the demand for hot water is at its peak. This will help you gauge the capacity required to meet your family’s hot water needs during high-demand periods.

Consider Usage Patterns

Evaluate the hot water usage patterns in your home. Do you typically have multiple showers running consecutively? Do you have a large soaking tub that requires a significant amount of hot water? Understanding your usage patterns will assist you in determining the appropriate size and recovery rate (the speed at which the water heater can reheat the water) required for your specific needs.

Consult Manufacturer Guidelines

Check the manufacturer’s guidelines or consult with a professional to understand their recommendations for the appropriate size based on your household’s characteristics and usage patterns. Manufacturers often provide sizing charts that take into account factors such as the number of occupants, fixtures, and anticipated hot water demand.

Remember, it’s better to err on the side of slightly larger capacity if you are uncertain, as it ensures an adequate supply of hot water during peak demand periods. However, be cautious not to significantly oversize the water heater, as it can lead to unnecessary energy consumption and higher operating costs.

Installation and Maintenance Costs

When budgeting for a water heater, consider not only the upfront purchase cost but also the installation and maintenance expenses. Some models may require additional plumbing or electrical work, which can add to the overall cost. Additionally, factor in the maintenance requirements of the chosen water heater, such as periodic flushing, filter replacements, and potential repairs.

Warranty and Longevity

Ensure that the water heater you choose comes with a comprehensive warranty. A longer warranty period signifies the manufacturer’s confidence in their product’s quality. Research customer reviews and seek recommendations to assess the longevity and reliability of different brands and models.


Choosing the right water heater for your home is a decision that warrants careful consideration. By assessing your needs, understanding the available types, considering energy efficiency, determining the appropriate size and capacity, and factoring in installation and maintenance costs, you can make an informed choice and avoid water heater replacement costs. 

Stronghold Plumbing In & Near Lakeland

Searching for “plumbers near me?” Look no further if you are in Lakeland and the surrounding area, because Stronghold Plumbing & Septic is here to serve all your plumbing needs.

As a licensed and insured Florida plumbing contractor, we offer a full range of plumbing services. From water heater repair or replacement to free plumbing estimates to being there when you need an emergency plumber, Stronghold Plumbing & Septic is the best choice when you need water heater installers in and near Lakeland. 


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