# FAQ: What Size Water Heater For Family Of 5?

## Is a 50 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.

## What size hot water system do I need for a family of 5?

A hot water tank size for family of 5 would be in the 230-300L range (60-80 gallons)*. For an instantaneous hot water unit servicing two water saving shower heads, you would need a hot water heater with a flow rate of at least 16L/min.

## Should I get a 40 or 50 gallon water heater?

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.

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

For an average 4-person household, this works out to an average of 452 litres per day. Please note that this only includes a small amount of water for a very small courtyard style garden.

## How many showers can you get out of a 50 gallon water heater?

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 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 size water heater do I need for a family of 6?

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.

## What is the standard size hot water tank?

Most homes have either a 40-gallon or a 50-gallon water heater. Larger tanks are generally used in homes that have a hot tub, or with serious hot water demands.

## How long can you shower with a 40-gallon water heater?

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

## What is the average cost to install a hot water heater?

Depending on your selection, the average cost for water heater installation is between \$1,000 to \$3,000.

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## What is the longest lasting water heater?

THE LAST WATER HEATERYOU’LL EVER NEED TO BUY Its award-winning construction makes the Rheem® Marathon® water heater the most durable electric water heater ever made. And its industry-best warranty makes it a smart purchase you can count on for years to come.