# Often asked: What Size Water Heater?

## 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 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)

## 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.

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## What is the standard size water heater?

Utility water heaters usually range in size from 2.5 to 19 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.!

## 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.

## Is a tall or short water heater better?

The main difference between short and tall water heaters is just the height and not the efficiency of the heater. Choosing between the two will depend on the height of the plumbing connections and where you can fit the heater. Taller heaters are useful to run more hot water if there are several people in your home.

## Is Rheem better than AO Smith?

Both AO Smith and Rheem are great names in the water heater industry. Rheem has a better overall product offering with a higher reach in the industry. But AO Smith is known to have a better customer experience. Regardless of what type of water heater you choose, both options will provide you with excellent longevity.

## 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).

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

In the three-bedroom example that has four people, the FHR would be 48 gallons. A hot water heater that has an FHR within a couple gallons of the number you just calculated should meet your family’s needs. 3-4 people need a 40 -50 gallon water heater. 5 or more people need a 50-80 gallon water heater.

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## How long will hot water last in a 40-gallon tank?

For instance, a typical shower uses about 10 gallons of hot water. So, if you have a 40-gallon hot water tank, you should be able to get four average-length showers out of your hot water tank.

## Can water heaters last 20 years?

Tank water heaters will last on average 8 to 12 years, while tankless can last even longer, up to 20 years. There are also electric and gas hot water heaters that will vary in lifespan, but in general gas ones last 8-12 years, while an electric heater could last upwards of 10-15 years.

## 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.

## Is it worth switching to a tankless water heater?

The big advantage of tankless water heaters is that they use less energy since they only heat up water when you need it. You can save hundreds on your energy bill each year. Because they don’t waste power, you can also enjoy the fact that your home will be more sustainable and eco-friendly.