If you’ve ever been last in line to shower in a home with a water heater tank that’s too small then you’ll know how important it is to choose the right size water heater for your home.
If your water heater tank is too small, there will never be enough hot water for everyone. Apart from keeping the peace in your family, an over-worked water heater will be prone to breaking and will need regular repairs to keep it functioning.
Always having enough hot water is wonderful, but a water heater that is too big will constantly be warming up water that doesn’t get used, running up energy bills that aren’t necessary.
There is another option in your search for the perfect amount of hot water – the tankless water heater. A tankless water heater uses built-in coils that heat water on demand. The upfront cost to install one of these is higher but this method of water heating is more efficient than storage tank heaters. Keep in mind though, they only provide about 3.5 gallons of hot water per minute. This makes them unsuitable for homes that tend to use hot water for more than one purpose at a time.
These are the most common hot water solution, available for a lower upfront cost but less energy efficient. Storage tank heaters are much better suited to large families where hot water will be used for more than one task at a time.
Here is a rough estimate using average numbers to give you a broad guideline.
Each family has their own patterns and habits of hot water usage and the above is a suggestion that may or may not be accurate for your family. One major factor that will affect these numbers is how many hot water appliances your family will use at the same time in one hour. Families that run three or more will need a bigger tank, while a family who only uses one at a time, will need a much smaller tank.
If your FHR and peak hour demand match, your hot water needs will be met by the tank.
Save yourself time and let our qualified plumbers come in and work it out for you. They will advise you on the best water heater solution for your home.
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