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Tips for Choosing the Right Size Home Water Heater

How to Determine the Right Size Hot Water Heater for Your Home

There’s nothing more pleasant than a hot shower after a long day, but to do that, you need to calculate the right water heater size, or you may run out of hot water mid-shower.

Luckily for you, with the help of our experienced plumbing pros, we have put together simple guide to help you find the right water heater for your home.  there are two simple ways of doing this, and in this article, you will learn more about this to ensure your home always has warm water.


The Simple Way


You can use this method if you only need a rough estimate to calculate the potential cost of your water heater, which tends to increase depending on how big the heater is.


This method calculates the size of your heater depending on the number of people you share your house with. Still, remember that these are general estimations and may not be 100% accurate for all cases. You may need a heater with a higher capacity if you use several hot water appliances in your household.


That said, all you must do is follow this simple guide:


  • A 30-40 gallon heater will work for one or two people
  • A 40-50 gallon heater will work for two to three people
  • A 50-60 gallon heater will work for three to four people
  • A 60-80 gallon heater will work for more than five people


The Precise Way


If you want to calculate the perfect size of your heater, you must follow these simple steps.


1- Determine Your “Hot Water Using Hour”


This refers to the peak hour that demands the household’s highest use of hot water. Once you determine that, you must measure how many gallons are used during that hour in a typical day. Remember that this is usually during the morning or night, as these are the common hours people use to shower and get ready for work or relax.


2- Calculate the Gallons


There are several charts online that help you add up the gallons that are spent during the peak hot water hour, but it is pretty easy to do by yourself, as you only need to check all the appliances that use hot water during that time and do the math to find the total amount.


3- Find Your Perfect Heater


In order to do this, you must find a heater with a “first-hour rating” that falls within your peak hour demand. This is the number of gallons a heater can provide within an hour, and the best thing to do is to go a couple of gallons above your peak hour demand so that you are always one step ahead and make sure you won’t run out of hot water. You will find this FHR by simply checking the heater’s specifications.


The Bottom Line


Everyone needs hot water but finding the right heater can be quite a headache if you don’t know how to do it properly. Luckily for you, now you know the basics needed to find the perfect water heater for your home.

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