# FAQ: How Big Of A Water Heater For A Family Of 4?

## 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.

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

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 30-gallon water heater enough for a family of 4?

Typically this math breaks down so that families with: 1-2 people need a 30 – gallon water heater. 2-3 people need a 40- gallon water heater. 3- 4 people need a 40-50 gallon water heater.

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## What size water heater do I need for a 4 bedroom 3 bath house?

When all is said and done, here is what the math tells us should work for you: 1-2 people need a 30-gallon water heater. 2- 3 people need a 40-gallon water heater. 3 – 4 people need a 40-50 gallon water heater.

## 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.

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

A low-flow showerhead uses about two gallons a minute, or 20 gallons for a 10 – minute shower. A standard showerhead uses 2.5 gallons a minute, or 25 gallons for 10 minutes. Either way, the shower saves water – as long as you don’t go past 10 minutes.

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

So, how long can you shower with a 50 gallon water heater? A 50 gallon hot water heater with a temperature set around 120-140 degrees Fahrenheit will allow you to shower for around 17 minutes before you will run out of hot water.

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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.

## How long should gas water heater last?

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.

## How much hot water should I get from a 40 gallon tank?

The number will vary for a 40 gallon tank from the low 40’s to as high as 70 gallons per hour, so check yours and it will help us decide if all is normal or something is wrong. With an 80-20 mix of hot and cold, even a 40 gallon heater should give you 50 gallons of water for your shower.

## Which is better tall or short water heater?

The major differences are height, gallon capacity and required height for plumbing connections. Tall water heaters range are about 16 inches taller, can hold up to 50 more gallons of water and require 10 inches more height for plumbing connections. Other than that, there is no distinguishable difference in performance.

## Should I get a bigger hot water tank?

Pro tip. If the water heater you choose is too small, you may run out of hot water when you need it. On the other hand, a water heater that is too big will result in higher bills due to heat loss. Therefore, the size of your water heater should be chosen according to your needs.

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## Are bigger water heaters better?

All other things being equal, the smaller the water heater tank, the higher the efficiency rating. Compared to small tanks, large tanks have a greater surface area, which increases heat loss from the tank and decreases the energy efficiency somewhat, as mentioned above.

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