Contents

- 1 What size hot water heater do I need for a family of 6?
- 2 What size water heater do I need for a family of 5?
- 3 Is a 20 gallon hot water heater big enough?
- 4 Is a 40 gallon water heater enough?
- 5 What size water heater do I need for a family of 3?
- 6 What size water tank do I need for a family of 4?
- 7 How long can you shower with a 40 gallon water heater?
- 8 How do you determine what size water heater you need?
- 9 How many gallons of hot water does a shower use?
- 10 How long does it take for a 20 gallon water heater to get hot?
- 11 How long does it take for a 20 gallon hot water heater to get hot?
- 12 How long will a 20 gallon water heater last?
- 13 Is 40 gallon water heater enough for a family of 5?
- 14 Is 40 gallon water heater enough for a family of 4?
- 15 How much water does a 20 minute shower use?

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

3 – 4 people, you’ll need at least a 50-gallon capacity tank (electric) or a 40-gallon capacity tank (natural gas or liquid propane). If your family size is 5 or more, you’ll need an 80-gallon tank (electric) or a 50-gallon tank (natural gas or liquid propane).

## Is a 20 gallon hot water heater big enough?

20 – gallon water heaters are a unique size. They’re large enough for smaller homes that don’t require large amounts of hot water, yet they’re an excellent choice for high-demand point-of-use (POU) applications such as bathrooms with showers. The versatility of the 20 – gallon size makes these heaters ideal for many uses.

## Is a 40 gallon water heater enough?

A very common size, the 40 gallon water heater works well for 2 – 4 people. These tanks are often found in homes that have 1.5 bathrooms. If you are running out of hot water with a 40 gallon tank, it is often possible to upgrade to a 50 gallon tank without much modification.

## What size water heater do I need for a family of 3?

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.

## 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 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).

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

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

- 1 or 2 people—23 to 36 gallons.
- 2 to 4 people—36 to 46 gallons.
- 3 to 5 people—46 to 56 gallons.
- 5 or more people—over 56 gallons (add 10 gallons per additional person)

## How many gallons of hot water does a shower use?

A shower uses approximately 10 gallons of hot water per shower. A dishwasher uses 6 gallons during every use, while hand washing uses 4 gallons per wash, and shaving uses 1 to 2 gallons per shave.

## How long does it take for a 20 gallon water heater to get hot?

The average gas heater takes between 30 and 40 minutes to fully heat up the water in its tank. The average electric heater takes about twice as long as the average gas heater to fully heat up the water in its tank, so you can expect it to take between an hour and an hour and 20 minutes to heat up.

## How long does it take for a 20 gallon hot water heater to get hot?

It takes a little more than an hour for the electric 20 – gallon hot water tank to completely replenish itself.

## How long will a 20 gallon water heater last?

While today’s water heaters are better designed than older models, they still require regular maintenance in order to prolong their lives. With regular inspection, draining, and flushing, you can expect a gas water heater to last anywhere from 8-12 years and an electric water heater to last anywhere from 10-15 years.

## Is 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.

## 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.

## How much water does a 20 minute shower use?

If a standard showerhead is fitted, it will use around an extra half a gallon each minute, accounting for a 25-gallon emittance every 10 minutes, or 50 gallons throughout a 20 – minute shower.