# What Size Of Water Heater Do I Need?

## What size water heater do I need for a family of 4?

Water Heater Sizes For example, a family of 3 to 4 people should purchase a 50 – 60 gallon water heater. On the other hand, a household with 5 – 7 people may require a water heater with a 60 – 80 gallon water tank.

## Is a 50 gallon water heater enough?

A 50 gallon water heater is the most common tank we install. It is such a common size because it can supply hot water for 3 – 5 people. Considering an average shower uses 17.2 gallons of water you can typically have enough hot water for up to five people to take a shower within an hour.

## How do you determine what size water heater do you need?

You can estimate the necessary tank capacity (in gallons) based on the number of people in the house:

1. 1 or 2 people—23 to 36 gallons.
2. 2 to 4 people—36 to 46 gallons.
3. 3 to 5 people—46 to 56 gallons.
4. 5 or more people—over 56 gallons (add 10 gallons per additional person)
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## Is 40 gallon water heater enough for a family of 4?

Typically, the rule-of-thumb is that you want a 40 gallon tank for 1 to 4 people, a 50 gallon tank for 4 to 6 people, and a 50 gallon high recovery or 75 gallon tank for 6 to 8 people. Energy consumption for 40 and 50 gallon standard water heaters is quite comparable.

## Is there a big difference between a 40-gallon and 50 gallon water heater?

With the energy factors being equal, the difference in cost of running a 50-gallon heater over a 40-gallon heater is essentially insignificant.

## What size water heater do I need for a family of 2?

For 1 to 2 people: 30-40 gallons. For 2 to 3 people: 40-50 gallons. For 3 to 4 people: 50-60 gallons. For 5+ people: 60-80 gallons.

## How long can you shower with a 50 gallon water heater?

jimbo Plumber Using the 70% rule, a 50 gallon tank will deliver approximately 35 gallons of water hot enough for a shower. At ~ 2 gallon per minute +,, you get about 17 minutes or less of shower. Check your watch.!

## How many showers can a 50 gallon water heater?

On a national average of 8 minutes to take a shower you can can get 2 showers out of a 50 gallon water heater. Based on 17 minutes of hot water run time at 2.1 gallons per minute shower head flow calculation also from a 50 gallon water heater.

## How long can you shower in a 40 gallon tank?

A 40-gallon water heater can provide up to 2 showers in an hour (if you’re not using any other water appliances).

## What size water tank do I need for my house?

For large properties with significant landscaping and a large home we recommend a minimum of 10,000 gallons. For smaller properties and homes that don’t have to worry about fire considerations, 2500-3000 gallons is a common tank tank that will give you plenty of water for daily needs.

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## How much hot water does a 10 minute shower use?

Modern showers usually use between 10 to 12 liters of water per minute. For a 10 minute shower, approximately 100 liters of water is used depending on the type of showerhead and how much water pressure is used.

## What is the lifespan of a water heater?

Based on the manufacturer’s suggested service life, the life expectancy of a water heater is about eight to 12 years. That varies with the location and design of the unit, quality of installation, maintenance schedule and water quality.

## Is a 40 gallon water heater enough for a family of 5?

3-4 people need a 40-50 gallon water heater. 5 or more people need a 50-80 gallon water heater.