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What Storage Tank Capacity Do I Need For A Family Of 4?

| Friday May 12, 2023

Choosing the right storage tank capacity for your household is important for many reasons. Some of the most important benefits of installing a storage water heater that is the right size is that it allows you to enjoy a sufficient hot water supply during your hot shower. On top of that, the right storage water capacity can also ensure that the appliance is as energy-efficient as possible for your household and also that your purchase is cost-effective in the long run.

So, how do you go about choosing the perfect storage water heater for your household? While there are a few factors that influence your decision, one important factor to take into consideration when choosing a storage water heater is the hot water demand and needs of the household. For example, if you have a household for four people, it is important to understand their hot water needs and consumption so that you’re able to find the right water heating solution for your property.

By taking this into consideration, it helps to expedite your shopping process and narrow down the water heating appliances that suit your demands.

In this article, we’ll discuss what size water tank you need for a family of four, especially with young children. By the end of this article, you will have a better understanding of what size storage tank will work best for your home’s hot water needs.

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Step one: Factors to Consider

1. Hot Water Usage In The Family

The volume of hot water your family uses daily is a critical factor to consider when determining the right storage tank capacity for your household. Hot water usage can vary greatly depending on factors such as the number of family members, their individual showering habits, and the frequency of hot water usage throughout the day.

To determine your family’s hot water usage, you can keep track of your daily water usage for a few days. It’s essential to consider your family’s hot water needs and habits to ensure you have enough hot water available for daily use.

One way to estimate your hot water usage is by measuring the flow rate of your shower head in terms of gallons per minute and multiplying it with the duration of the showers taken by every member of the household.

2. Storage Space In The House

Another critical factor to consider when deciding what storage tank capacity you need is the storage space available in your home. The size and type of storage tank you can install will largely depend on the amount of space you have available. Storage tank water heaters come in different sizes, ranging from 10 litres to more than 100 litres. While a larger storage tank capacity will provide a greater hot water supply, it will also require more storage space.

two happy asian girl taking a bath together on a bathtub

3. Children Safety

If you have young children in your household, it’s important to choose a water heater that is safe and secure. Rheem’s storage tank water heaters are designed with safety features that help to prevent accidents and injuries.

When it comes to choosing a storage-tank water heater that is safe and durable, Rheem’s EHG Classic Electric Storage Water Heater EHG30 and EHG40, have a tank capacity of 30 or 40 liters respectively, which is an excellent choice for a family of 4.

By choosing one of these high-quality storage tank water heaters, you can enjoy reliable hot water while ensuring the safety and well-being of your family. One of the key safety features of Rheem’s EHG Classic Electric Storage Water Heater is the thermal cut-out. This is a mechanism that activates in the case of abnormal conditions to prevent scalding. If the water in the tank reaches a certain temperature or pressure, the cut-out will be activated and turn off the heating element. This ensures that the water in the tank is always at a safe temperature and reduces the risk of accidental burns.

In addition, the Rheem’s EHG Classic Electric Storage Water Heater is also well equipped with a temperature and pressure relief valve. This valve helps to prevent excessive pressure build-up in the inner tank. If the pressure in the tank exceeds a certain level, the valve will open and release the excess pressure to ensure you and your family will not have to risk getting scalded in the showers.

To reduce the risk of corrosion, the inner walls of the water heaters are coated with a special enamel coating. This design feature reduces the number of points of vulnerability on the tank, which in turn minimises the risk of water leakage. This will provide you with the peace of mind that comes with knowing that your water tank is the right size for your needs and will continue to meet your family’s water demands for years to come.

cheerful mother in bathrobe bathing happy toddler son in bathtub

Step Two: Calculating Tank Size

1. Average Daily Water Usage

Determine your household’s average daily water usage. You can calculate this by reviewing your water bills or using a water meter to track your water usage over a period of time, such as a week or a month.

2. Peak Water Usage

This refers to the times of day when hot water is used the most. For a family of four, peak water usage typically occurs in the morning when everyone is getting ready for school or work. During this time, multiple showers and bathroom sinks may be in use.

3. Tank Refill Time

This refers to the amount of time it takes for your tank to refill after it has been emptied. The larger your tank is, the longer the refill time it will take. And the longer the refill time is, the longer your water takes to heat up.

General Sizing Consideration

 To help with this decision-making process, we have provided a storage water heater sizing consideration chart that outlines estimated sizing considerations based on the number of people in your household.

By selecting a storage tank capacity that fits your family’s hot water usage, you can enjoy a consistent and reliable hot water supply in your home. Taking into account your family’s water usage habits, such as the number of people in the household, their bathing habits, and other daily activities, can help you determine the correct size water tank for your needs. Installing a water tank that is too small can result in a water shortage, while a tank that is too large can lead to unnecessary costs and energy consumption.

Therefore, carefully considering your family’s water usage and selecting a suitable water tank size is essential for ensuring that you have a sufficient and efficient water supply for your daily needs.

Find out more about Rheem’s extensive range of electric storage water heating solutions and find the perfect water heating for your home today!

 

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