- Is 40 gallon water heater enough for a family of 4?
- How long of a shower can you take with a 40 gallon water heater?
- Is there a big difference between a 40 gallon and 50 gallon water heater?
- Is a 40 gallon hot water tank big enough?
- What is the lifespan of a water heater?
- How much water does a 20 minute shower use?

## 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 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).

## Is there a big difference between a 40 gallon and 50 gallon water heater?

The important thing to remember here is that the closer the energy factor is to 1.0, the cheaper it will be to run the 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.

## Is a 40 gallon hot water tank big enough?

A hot water heater that has an FHR within a couple gallons of the number you just calculated should meet your family’s needs. … 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.

## What is the lifespan of a water heater?

about eight to 12 yearsBased 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 water does a 20 minute shower use?

Save water and energy: Reduce your shower time! The EPA estimates that the standard shower heads use 2.5 gallons of water per minute. That’s 20 gallons of water for the average shower!