What Size Water Heater Do I Need?

November 3, 2015/ 0

At Jack Stephan, our Orange County and Los Angeles plumbers know there are many important factors to consider when it comes to finding the right size water heater. If you choose a unit that is too small, you might be left taking a cold shower. Likewise, water heaters that are too large can have you shelling out more money than you need to. So how do you know what size water heater is right for you? Here are some tips from our Orange County and Los Angeles plumbers that will get you headed in the right direction!

Storage Tank

The most common water heater option, the standard tank model, has an insulated storage tank where water is heated and then kept until it’s needed. These types of water heaters typically range from 30-80 gallons and can comfortably supply enough hot water for 1-5+ people.

Recommendations according to household size are as follows:

1-2 people – 30 gallons
2-3 people – 40 gallons
3-4 people – 40 – 50 gallons
5+ people – 60 – 80 gallons


If you are considering a tankless water heater, which does not store hot water, but instead, heats it while it passes through the unit’s coils, it is important to understand that these units only have a limited flow of hot water. As a result, tankless systems are best for individuals and households that do not require a lot of hot water at more than 2 points at a time. For example, households that are prone to having 2 individuals showering at the same time and someone else washing dishes or doing laundry, should probably not select a tankless model.

Since each households needs and water consumption is different, our Orange County and Los Angeles plumbers are happy to make individual recommendations, if need be. After all, a water heater is an investment, so it is important to choose your model carefully.

For more information, please give us a call at 1 (800) 464-7586.


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