How Much Hot Water Does A Shower Use | Hero Plumbing (2023)

Hot Water Conservation

The water supplied to your home has many uses. One common use is showering; this is something we do every day. Since showering represents a significant part of family water use, realising how much water a shower uses can go far in conserving some of it.

Water as a natural resource is limited in supply. If we are not mindful of how it is used, we can exhaust natural sources like springs and start redirecting water sources like streams and lakes, which hurts wetlands.

Water quantity can become reduced significantly over time, and that might aggravate its availability because more is used than is necessary. Also, getting water dispensed from your nozzles takes energy, and this can also cause your costs to go up.

Saving the water, you use in the shower also helps save energy. There are several factors involved in the process of installing showers in houses and facilities. Some of these factors include the number of litres that a shower uses each minute.

Typical Shower Water Utilisation Rate

There are facts that can assist you in understanding how much water a shower uses. Flushing toilets and washing clothes are two of the ways water is used in most homes, and these activities quickly deplete water. It may surprise you to learn that the number of litres your shower uses per minute on average is around 9.5 litres.

Shower water utilisation is determined by multiplying the average stream pace of 9.5 litres per minute by the average shower length, say, 8.2 minutes. From this estimation, one can conclude that 78 litres of water are used on average. Some people use about 9.5 litres per minute, on average, when you turn on your shower.

You will use the shower maybe once in a day or seven times a week, assuming you are like most Americans. Thewater systemin a house can comfortably accommodate a shower. But this can only happen if you use water sparingly.

This translates to 78 litres per average shower, which comes to a little more than 545.5 litres of shower water use per individual every week. This is about 28463 litres per person or 113847 litres for a family of four people.

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Cost Factors Of Your Shower Water Usage

The actual amount of water you use may be significantly higher than average. Reducing water usage in your shower can help you save energy at home. The following are some of the factors that determine how much water is used in a shower:

Duration of shower

If for any reason, you choose to stay in the shower longer than the typical 8.2 minutes, you could be significantly increasing your water utilisation.

Your shower stream rate

The speed and volume of water that is ejected from your spigot indicates the water flow rate. This, in turn, has a lot to do with how much water is used in the end.

The frequency of your shower

Each time you wash up, your water utilisation goes up.

The type of shower head you use

There are different types of showerheads; people choose based on their preferences. The powershower headis designed with shower massage heads to deliver highly pressurised water. However, you use more water than if you had a typical model.

The Cost Of Running A Hot Water Shower

The amount of water your shower utilises is just a single variable in deciding the amount of money expended in running a shower. Additionally, there is the cost of the energy you use to warm the water. How much energy a shower utilises has to do with the efficiency of your water heating appliance,its size, the temperature setting, and whether your water heater is powered bygas or electricity.

There are many bills that people have to take care of at home. The cost of heating water is the second most significant bill for most homeowners. It usually comes to around 18 per cent of energy, right behind the cost of warming and cooling. Another variable is the humidity of the air inside the home.

With the installation of hot showers in homes, the humidity can increase, which could mean the HVAC system will have to work harder than is necessary. Divide your water bill in dollars by the number of gallons used. This will give you an estimate of the amount it costs to run your shower during the year.

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Assuming that your water utilisation is in CCF (Centum Cubic Feet), 3400 litres are equivalent to 1.2 CCF, or 120 cubic feet. The figure you arrive at is the amount you will pay per gallon. Multiplying the price for each litre of water used by the average shower water usage of 28463 litres per person in a household will give you an estimate of the cost of running showers each year.

The next thing you would want to do is estimate the energy used in heating the water you use. You can crunch the numbers with an energy cost calculator because you can input all necessary factors to come up with an accurate estimate.

Add the cost of the heater to the price of heating water and multiply the result by the number of people you have in the house. This should tell you the entire cost of having showers in your home.

Can You Save Money By Having A Cold Shower?

Hot water heaterswill not have to work hard if you use cold showers once in a while. You can save a lot of energy and, of course, money in the end if you do not heat up water.

Experts suggest that there are numerous benefits of using a cold shower. One such benefit is feeling more energetic and having more radiant skin. However, this habit may be easier to adopt during the hot season and is a great way to save water during summer.

Ways To Save Water In The Shower

You will save money and the environment, which are good reasons to consider using your shower water efficiently. The following are some energy-saving methods you can use to save water in the shower:

Reduce time spent in the shower

You can save hundreds of litres of water each year by reducing a minute of the time you spend in your regular shower. This also means you will be able to drastically reduce the cost of heating water in the shower.

Buy a low-flow showerhead

Consider using one of the now typical low-flow showerheads. Some of these models aerate the water and produce a lovely misty spray. Laminar-flow showerheads dispense tiny water jets that are pretty effective at rinsing. Make sure you replace the showerhead you have been using that was made before 1992. Older showerheads give flow rates of more than 25 litres each minute.

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You can quantify the stream pace of your showerhead by setting a litre can under the showerhead and timing the amount of time it takes to fill up. If you fill up a litre can in less than 20 seconds, your water usage can be made better by replacing your showerhead with a modern one.

Go with the occasional navy shower

A navy shower is what you do when you turn the water off while you apply shampoo and soap to your body. You then turn it on only to rinse off the lather.

Doing this can help you reduce the time water is allowed to run from your shower by 5 minutes or even more in some cases. If you are able to withstand cold water, that is even better as you will save more that way in your shower.

Reduce the number of times you shower

You may not need to shower daily. As a matter of fact, specific individuals think of it as one of the top habits that waste water. In some cases, spot-washing is sufficient and has been found to decrease the likelihood of your skin drying.

The process involves simple alterations to your habits, such as upgrading to a modern showerhead to save water and energy. The benefits of this change include a reduction in energy costs and the fact that you will be protecting the environment. It will become clear that the changes made are worth the effort with time.

We keep seeing improvements inhot water systems, making them more efficient. This helps your pocket and also the environment. There are varying types of hot water systems, and each of them is good in its own way. However, before you buy any of them, you should consider some factors that will ensure that it is suitable for you and your family.

Steps To Calculate Hot Water Usage

There are copious variables to think about while computing how much hot water your family needs. The amount required will vary from one family to another, depending on the lifestyle and the equipment used. You should consider such things as the number of times you go for baths, showers, do dishes, and wash clothes.

How many people live in your home?

The main thing to consider is the number of people in your family. For the most part, more prominent families will utilise more water. In Australia, a typical family is between two and three individuals. As every individual will add to the amount of water that is used, it is likely going to be the first question any hot water system sales consultant will ask you.

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Are you making use of water-saving showerheads?

You may find that the older and perhaps more standard showerheads would usually dispense between 15-20 litres of water each minute. With a 10-minute shower, you can expect between 150-200 litres to be dispensed each day, 1,050-1,400 litres each week, and 5,475-7,300 litres each year.

You can decrease how much water is used to around 9 litres per minute by switching to awater-saving showerhead. This is somewhat less than a quarter to half of the usual amount of water used. Strategically using your shower could also make you use less water, and to do this, you can try out the following:

  • Shave off hair from your legs before using the shower, as you will use less water this way.
  • You can keep excess water in a bucket as you test out the water temperature. You may use this extra water to take care of other chores in the house.
  • By using a temperature-controlled faucet, you will be able to reduce the amount of water that is wasted.
  • Be conscious of the amount of time you spend in the shower to reduce the amount of water used.
  • Consider buying an energy-efficientwater heaterfor your hot water system.

Type of hot water system

There are four main types of hot water systems: heat, solar, electric, andgas hot water. Each of these hot water systems has its pros and cons.

Cost To Install A Hot Water System?

Installation costis not expected to be the same; it varies according to the type of water system that you would like to install. Other factors include such things as difficulty encountered when completing the job and whether it is a replacement or a new installation.

A replacement would be relatively cheaper than a new install. So, think critically about what you would like to do. If you want an existing model to be replaced with a new but similar one, the cost could be around $675. This takes care of the four valves that are needed, the QBCC (Queensland Building and Construction Commission) form 4, electrical fittings, and recycling of the old system.

If you want to move your system to another part of your home, the cost attached to this may be higher because there might be some extra plumbing done and some intensive work to achieve your goal. On the other hand, if you want to change the system entirely, say the electric system changed to a solar system, you may have to top up anything between $1,500 and $3,000.

Consider Your Lifestyle Choices

As you near a final decision on what type ofhot water tanksyou would like to have installed in your home, always put your lifestyle, needs, and how much you are willing to invest into the project into consideration.

Usually, where it is possible to afford a higher initial purchase, it can be made up for in savings before it would be necessary to replace the system. That being said, should you need assistance choosing the correctwater tankfor your home needs, consider consulting with professionals.

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FAQs

How Much Hot Water Does A Shower Use | Hero Plumbing? ›

If you have a low-flow showerhead installed, you can expect to use about two gallons of water per minute, equalling 20 gallons throughout a 10-minute shower. With a standard showerhead, around half a gallon more water will emerge each minute, so a 10-minute shower would use somewhere close to 25 gallons.

How much hot water does a shower use? ›

Worksheet for Estimating Peak Hour Demand/First Hour Rating *
UseAverage gallons of hot water per usage
Shower20=
Shaving (.05 gallon per minute)2=
Hand dishwashing or food prep (2 gallons per minute)3=
Automatic dishwasher7=
4 more rows

How much hot water is used in a 10 minute shower? ›

If you have a low-flow showerhead installed, you can expect to use about two gallons of water per minute, equalling 20 gallons throughout a 10-minute shower. With a standard showerhead, around half a gallon more water will emerge each minute, so a 10-minute shower would use somewhere close to 25 gallons.

How many gallons of hot 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 many gallons per minute of hot water does the average shower use? ›

The average American shower uses approximately 15.8 gallons (59.8 liters) and lasts for 7.8 minutes at an average flow rate of 2.1 gallons per minute (7.9 lpm).

How much hot water is used in a 5 minute shower? ›

If a standard showerhead is fit, the shower will likely emit around an extra half gallon of water per minute, so a 5-minute shower will use in the region of 12.5 gallons.

How many gallons of hot water does a 30 minute shower use? ›

So, 17.2 gallons is, on average, how much water is used.

Why does my shower run out of hot water so fast? ›

A malfunctioning thermostat, broken dip tube, and sediment buildup are the most common repair issues that can explain why your shower quickly runs out of hot water.

How long will 40 gallons of hot water last for shower? ›

A 40-gallon water heater can provide up to 2 showers in an hour (if you're not using any other water appliances).

Why does my shower run out of hot water in 10 minutes? ›

The most common part that gets damaged is the “Dip Tube”. When it gets worn down, it leads to the mixing of cold and hot water. So, you feel as if the hot water runs out after 10 mins. The Solution – A damaged dip tube has to be replaced.

Is a 10 gallon water heater enough for a shower? ›

Determining how much hot water your water heater should provide per shower depends largely on the size of your hot water tank. For instance, a typical shower uses about 10 gallons of hot water.

How many gallons is a 1 minute shower? ›

Saving Options for Landlords. These days, the average US shower uses 2.5 gallons per minute and lasts for 8 minutes (click here to for how much a running toilet uses).

How much water does a shower use in 40 minutes? ›

The shower

A water-efficient showerhead uses approximately 9 litres per minute. An older style showerhead uses approximately 19 litres per minute - that's 10 litres more! Having a daily 5 minute shower with an older style showerhead uses about 36,500 litres of water a year.

How long should hot water last in shower? ›

The average adult uses about 10 gallons of water per shower (at a rate of 2 gallons of water per minute). If you assume that an 80-gallon tank has about 55 gallons of hot water to dispense before refilling, that means you have 27 or so minutes of total shower time before running out of hot water.

What percentage of shower water is hot water? ›

cold water inlet and the water heater set point to conclude that 73 percent of all water use for showerheads and lavatory faucets is hot. The water heater set point temperature (TsetTemp) also varies by household.

Do long showers waste water? ›

But it's also a place where we waste a lot of water and energy! Consider this: The average shower lasts about eight minutes. Since the average showerhead has a water flow of 2.1 gallons per minute, each shower uses more than 16 gallons of water!

Why does my shower run out of hot water in 5 minutes? ›

If your shower runs out of hot water quickly and frequently, your water heater might be too old. On average, a water heater can last between eight to 12 years. If yours is ten years old or more, it's time to replace your water heater.

Is 30 minutes of shower too long? ›

If you like to linger in the shower for longer than 15 minutes, you might want to rethink your hygiene routine. According to board-certified dermatologist Dr. Edidiong Kaminska, MD, the recommended maximum shower time is about 5 to 10 minutes. This is enough time to cleanse and hydrate the skin without overdoing it.

How many people can shower with a 50 gallon water heater? ›

On average, hand washing takes about two gallons, Running the dishwasher uses 14 gallons, bathing/showering per person is 20 gallons, and washing a load of laundry is 30 gallons. So if you're in a family of four, a 50-gallon water tank should cover all those showers and washings.

What uses the most water in a house? ›

The largest use of household water is to flush the toilet, followed by taking showers and baths. Toilets account for nearly 30 percent of an average home's indoor water consumption. Older, inefficient toilets can use as much as three to six gallons per flush.

How much water can you save per shower by 5 minutes? ›

and hydrate your body while saving up to 20 gallons of. water per shower!

How many gallons of hot water do I need for a 15 minute shower? ›

A study by the American Water Works Association found that, on the average, we take eight-minute showers. If you take an eight- minute shower using one of those showerheads, you will use 48 to 64 gallons of water. That 15-minute shower will use 90 to 120 gallons.

How do you make hot water last longer in the shower? ›

One of the easiest ways to make a hot shower last longer is by using less hot water while it's at a higher temperature. To do this, turn up the temperature on the thermostat that's attached to the hot water heater tank. (Not the thermostat on the wall.) Use a low-flow shower head.

Why doesn't my hot water last long in the shower? ›

The lack of hot water for the shower and elsewhere in the home may be down to several reasons. It could be faulty parts in the water heating unit, an obstructed flue, the build-up of sediment or a malfunctioning temperature control.

Why doesn't my shower get as hot as it used to? ›

Your problem could be as simple as the temperature setting being programmed to a low level. Or, with electric water heaters, you might find that an element is worn down, causing the water to only heat up for a short amount of time, or not at all in some instances.

Do long hot showers cost more? ›

Heating water to a pleasant showering temperature is twice or more the expense of the water itself. As such, enjoying long hot showers daily can quickly drive up your utility bills: The cost of daily showering of a 4-person household can be over 4000€ a year!

Why does my hot water only last 20 minutes? ›

Water Heater Runs Out Of Hot Water Quickly: Possible Reasons Why. As mentioned above, several things can cause a home's hot water supply to run out faster than it should. The three most common culprits are sediment build up, a faulty heating element and a broken dip tube.

How long does it take for hot water to come back after shower? ›

Average Water Heater Recovery Times

60-70 minutes (for a gas tank water heater) 120 minutes (for an electric tank water heater)

Why is my hot water heater running when I don't use water? ›

There's Sediment in the Tank

Sediment buildup may be the reason you have a water heater constantly running. Over time, minerals in your water can settle at the bottom of the tank and form a sludge. This sludge can then block the heating element, preventing the water from heating up to the appropriate temperature.

How long does it take to use 40 gallons of hot water in a shower? ›

However, on average, a 10 minute shower uses between 20 and 40 gallons of hot water. To give some context, a full bathtub holds up to 80 gallons of water, so a 10 minute shower is typically just a fraction of a full bath.

How many people can shower with 50 gallon water heater? ›

A 50 gallon water heater is the most common tank we install. It is such a common size because it can supply hot water for 3 – 5 people. Considering an average shower uses 17.2 gallons of water you can typically have enough hot water for up to five people to take a shower within an hour.

How much water do you use during a shower if you shower for 15 minutes? ›

If you take an eight- minute shower using one of those showerheads, you will use 48 to 64 gallons of water. That 15-minute shower will use 90 to 120 gallons.

How do I make my hot water last longer in the shower? ›

One of the easiest ways to make a hot shower last longer is by using less hot water while it's at a higher temperature. To do this, turn up the temperature on the thermostat that's attached to the hot water heater tank. (Not the thermostat on the wall.) Use a low-flow shower head.

Why do I run out of hot water so fast? ›

If your hot water runs out too fast, you may have an issue with: Too much hot water demand from multiple sources at the same time. Sediment build up inside of your water heater tank. A broken dip tube.

How many gallons of water does a shower use in 40 minutes? ›

Shower With Power

Did you know that standard showerheads use 2.5 gallons of water per minute (gpm)?

How long will 6 gallons of hot water last for a shower? ›

My personal experience with a 6 gallon tank, about 5 minutes comfortably with continuous water flow. Takes around 45 minutes to reheat fully depending on water temperature entering tank.

Is it OK to shower with hot water everyday? ›

Frequent hot showers and baths can lead to dry, itchy skin or even rashes. Cooler or lukewarm showers even just a few times a week can keep skin hydrated and help hair stay strong and shiny. If your skin appears red following your bath or shower, your water is too hot.

Why does hot water not last in shower? ›

The lack of hot water for the shower and elsewhere in the home may be down to several reasons. It could be faulty parts in the water heating unit, an obstructed flue, the build-up of sediment or a malfunctioning temperature control.

Why does hot water take so long in shower? ›

There are several reasons; the distance from the water heater, the diameter of the piping, and the flow rate of the water. The further the hot water has to flow, the longer it takes to heat up the shower faucet. This is especially true with a larger home.

How much water do you use in a 1 hour shower? ›

Since the average showerhead has a water flow of 2.1 gallons per minute, each shower uses more than 16 gallons of water! Across the United States, we use more than one trillion gallons of water each year just for showering. Never fear! You and your family can still save water and energy.

How many gallons of water does a 8 minute shower use? ›

Shower gallons per minute

The average American shower uses 17.2 gallons (65.1 liters) and lasts for 8.2 minutes at average flow rate of 2.1 gallons per minute (gpm) (7.9 lpm).

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