# FAQ: What Size Electric Water Heater Do I Need?

## Is a 50 gallon water heater enough for a family of 4?

The answer to this question will vary depending on the total number of kids you have. 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.

## How do I know what size electric water heater I 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 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.

## 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 long does it take for a 50 gallon water heater to run out of hot water?

Electric Hot Water Heater Recovery A 50-gallon hot water heater with 5,500-watt elements set to 120 degrees takes about 1 hour and 20 minutes to heat water coming in to the unit at 60 degrees. Conversely, when the water entering this same tank is 40 degrees, it takes 1 hours, 47 minutes to heat it up.

## How long does it take for 50 gallon water heater to fill?

It will take 20 minutes to refill a 50-gallon water tank and another 20 minutes to heat it.

## Can a tankless water heater fill a tub?

Please remember that tankless water heaters also come in different sizes, and you need to get a unit that will deliver a strong flow to the tub. A small tankless water heater can take a long time to fill a large tub. Whatever way you choose, at least now you’ll finally be able to relax in a nice, hot whirlpool tub.

## 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.

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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 long of a shower can you take 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.

## How often should you clean out your water heater?

It is recommended that you flush your water heater at least once per year. Doing so will help to prevent the potential problems that sediment can bring over time.

## How much does a 50 gallon electric water heater cost?

A 50-gallon water heater costs around \$1,000 for an electric heater and \$1,200 for a natural gas heater of the same capacity.

## What size water heater do you need for a 3 bedroom house?

2-3 people need a 40-gallon water heater. 3-4 people need a 40-50 gallon water heater. 5 or more people need a 50-80 gallon water heater.