Knowledge Builders

how long does shower water take to heat up

by Miss Rose Crona Jr. Published 2 years ago Updated 2 years ago
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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.Aug 12, 2016

Full Answer

Why does my shower take so long to heat up?

The shower in this bathroom would take much longer to heat up. The smaller the diameter of your pipes, the faster the water will travel to your shower. A pipe with a smaller diameter holds less water. Wider pipes, however, require more water per inch which increases the time it takes for that water to reach your shower.

How long does it take for a water heater to heat up?

How Long For Hot Water Heater To Heat Up? Depending on the type of heater you have, it can take anywhere from 30 minutes to an hour for your hot water heater to heat up. If you have an electric heater, it will take longer to heat up than if you have a gas heater.

How can I make my shower take longer to warm up?

And the warmer your pipes are, the less heat it absorbs from hot water traveling through them, cutting down on the time it takes for your shower to warm up. We suggest using closed cell foam insulation. Tip: If you’re not familiar with foam insulation, we suggest leaving this job to a professional.

How long should you wait before taking a shower?

If the previous shower lasted 15 minutes, you’re looking at about four minutes of hot water remaining. If you want to loll in your own 15-minute shower, you’ll need to wait 47 minutes before stepping in. (Gas units heat faster, so multiply by 1.9 instead of 4.3.) Use that time to iron or brush your teeth.

Why does my shower take so long to warm up?

How far does hot water travel in a shower?

What is the flow rate of a shower head?

How to save money on hot water?

How is the flow rate measured in a shower?

How far apart should a shower pipe be?

Where is the shower in bathroom #1?

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How long does it take for water to get hot again in the shower?

Average Water Heater Recovery Times 60-70 minutes (for a gas tank water heater) 120 minutes (for an electric tank water heater)

Why does water take so long to heat up shower?

Why does it take so long for hot water to come out of your shower and other faucets? 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.

How do I make my shower water hotter faster?

How to Get Hot Water FasterInsulate the Pipes. If you think your water pipes are to blame for your hot water troubles, adding insulation might improve your situation. ... Hot Water Recirculation Pump. ... Replace Fixtures with a Higher Flow Rate. ... Upgrade to a Tankless Hot Water Heater. ... Routine Preventative Maintenance.

How long does it take for water to heat up after?

Water heating times vary — it may happen instantly, or it could take 60–80 minutes. It all depends on the type of water heater you're using. Here are some common heat up times for different water heaters, assuming the appliances are new and properly sized for the home: Electric storage tank water heater: 60–80 minutes.

Why do I have to wait for hot water?

You really have to wait for hot water because of the distance from the water heater to the fixture you're trying to operate. In some cases you get hot water very quickly because the fixture is located close to the water heater. If the fixture is far away, the pipe running to the water heater has to be longer.

Why does my hot water take ages to heat up?

Sediment buildup in the hot water tank makes it hard for the burners to heat properly, and you end up getting lukewarm water from the water heater. You likely need water heater maintenance to drain and clean the tank, and look for any faulty parts.

How do hotels get hot water so fast?

In large hotels, rooms are assigned risers, or pipes that provide them with hot water. Up to two gallons a minute travels through the riser. “By keeping the water continually moving through each riser, we never let the water cool and get cold,” he says. Baths or showers are only a few feet away from hot water.

Can you make shower water hotter?

1:342:51How to Make Your Shower HOTTER! - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd then simply twisting the knob a tiny bit. If this does not solve your problem by increasing theMoreAnd then simply twisting the knob a tiny bit. If this does not solve your problem by increasing the water temperature. You may have a bad water. Heater.

What is the fastest way to heat water?

Use electric kettle (it takes only 1-2 minutes to boil the water). If it's still too long, use the microwave for around 30 seconds to 1 minute (on high power). But be careful as water boiled in a microwave oven can suddenly "explode" (including your mug).

Will turning up water heater make hot water last longer?

Turning up the water heater temperature makes hot water last longer as the desired temperature is reached by using less hot water and more cold water. The recommended maximum temperature should be 120 °F. Hotter water poses risks to users and the water heater and increases energy bills.

How long should you let water run after shut off?

30 minutesAfter all faucets are open, let the COLD WATER run for at least 30 minutes. During this time, also flush each toilet in your home 2 or 3 times. Running the COLD WATER should remove any old (stagnant) water which may contain higher concentrations of metals including lead, if it exists in your service line or plumbing.

How long does it take to get hot water after reset?

Once you've reset the system, you have to wait for hot water (unless you have an on-demand water heater), but for how long? It depends on the size of the tank, but with any unit, you should be able to get in a hot shower with gas water heaters within 30-40 minutes and with electric tanks, about 60-90 minutes.

How do you flush sediment out of a water heater?

How to Flush Sediment Out of a Water HeaterTurn the Water Heater Off. ... Turn the Cold Water Valve Off. ... Let the water cool. ... Attach a drain or garden hose to the drain valve on the side of the tank. ... Place the end of the hose in a bucket or drain. ... Turn on a faucet (or two) ... Start draining the tank by turning on the drain valve.More items...

Why is water a slow conductor of heat?

In conduction, electrons play a very important role. For good conduction, electrons must be free. In water, the electrons are engaged in chemical bond and hence are not free to participate in conduction.

Why does my tankless water heater take so long to heat up?

The length of the delay can be determined by a few factors, including the distance between the water heater and the outlet. In other words, the longer the water has to travel, the more cold water will need to be discharged before the hot water appears.

Why is my sink water hotter than my shower?

The Broken/Worn Down Mixing Valve What's most likely happening is a problem with the shower's mixing valve. The mixing valve is a control valve that creates the balance in the flow of water from the hot water line and the cold water line and blends the two together for your desired shower temperature.

Best Fix for Hot Water Waiting Time with Tankless Water Heater

We recently underwent a major remodel of our home (four stories, ~ 3200 sq ft), and in the process installed two tankless water heaters in series with a small recirculation pump. We now wait for up to two minutes for hot water in the kitchen and upstairs shower. What would be the most cost-effective and energy -efficient means of correcting this situation?

Why Am I Getting Hot Water Everywhere But The Shower?

So, you’re having trouble getting hot water in the shower. Usually, you’d blame this on the hot water heater.But then you notice that you’re getting plenty of hot water everywhere else (kitchen and bathroom sinks, dishwasher, etc.).

Why Does Water in My Shower Take So Long to Get Hot?

LESLIE: Alright. Now we’ve got Daniel in Washington on the line. Daniel, welcome to The Money Pit. What can we do for you today? DANIEL: Well, you can help me figure out why my wife takes a cold shower and I take a hot shower.

Why does my shower take so long to warm up?

The colder the pipes and the denser the material, the more heat is pulled out of the hot water, slowing the time it takes for your shower to warm up.

How far does hot water travel in a shower?

And depending on how large your home is, if your shower is on the opposite end of the home, your hot water may have to travel over 100 feet before it gets to you.

What is the flow rate of a shower head?

Unless you have a showerhead that was installed before 1994, you likely have a shower head with a flow rate of 2.5 GPM or lower. But newer “low flow” shower heads may have flow rates as low as .5 GPM. Check the side of your shower head for the GPM. Source.

How to save money on hot water?

According to Energy.gov, these systems save money and energy by sending the cold, leftover water sitting in your pipes back to the water heater instead of down your shower drain. Depending on the type of system, it can also run hot water intermittently through your pipes to prevent your pipes from getting cold and absorbing too much heat from the hot water.

How is the flow rate measured in a shower?

Your showerhead is measured by how many gallons of water passes through the showerhead in one minute (GPM). The lower the flow rate, the longer it takes your shower to push out the leftover, cold water sitting in the pipes from your last shower.

How far apart should a shower pipe be?

Another thing to remember is that pipes rarely travel in a straight line, so even if there’s a 50 foot distance between your heater and your shower, you should expect 60-70 feet of piping connecting the two. In this home, there are two bathrooms.

Where is the shower in bathroom #1?

Bathroom #1 is right next to the water heater with maybe 10 feet of piping (the pink lines) between the shower head and the water heater. The shower in this bathroom probably heats up very quickly.

Why Is The Hot Water Taking So Long?

The distance from the water heater, the diameter of the pipe, and the flowing water of water are some reasons for taking time for hot water to come from the shower, for big houses when the flow of hot water is fast so that it takes a long time to heat up the shower faucet.

Size Of Pipe

The size of the pipe is also one of the reasons for the delay of hot water in the shower. The bigger and wider the line, the longer it takes for hot water to come to your shower. The flow rate of the shower also affects the delay for the hot water.

A Failing Water Heater

Sometimes hot water takes so long to come from the shower because of the fail water system. The perfect working of water heater is mostly about ten years old after this age water heaters do not work correctly. They approach the end of their service life. They are less effective as compared to new water heaters.

Sediment Buildup

Sediments collect in your water heater when the minerals that dissolve like magnesium as calcium settle on the bottom of the hearer or tank, shortly where the elements of the electric heater are located. When there is a layer of sediments in the tank, it blocks the flow of the hot water.

A Low Volume Restrictor

You probably fix the low volume restrictor on fixtures, like your shower, which can take time to get the hot water. The low volume restrictor is also the reason for the hot water delay to get from the shower.

Distance

The distance of the water heater from the shower matters when you want to get hot water from the shower. If the heater is away from the shower, it will take time to get hot water, but if the water heater is close to the shower, then you can get hot water rapidly.

How Can You Get Hot Water Rapidly

You can get hot water from the shower rapidly by two processes the first is a recirculation pump, and the second is a retrofit system. A recirculation pump can minimize the amount of water wasted while you are waiting for water to heat up.

How Long Does it Take an Electric Hot Water Heater to Heat Up?

From the time new water enters, it would take about an hour for an electric water heater to warm the 40-gallon tank described above.

How long does it take for a water heater to work?

If the system is working properly, this should not be more than a few seconds with a normal sized home. With a large home, it may take a few more seconds to travel through the water pipes and reach appliances further away from the heater.

How Long Does it Take a Tankless Gas Heater To Warm Up?

Tankless water heaters warm up your water “on demand”, so the distance from your heater to the appliance being used is the only consideration which determines how long it will take to receive the hot water out of your faucet.

What is the BTU rating of a water heater?

Simply put, a BTU is the amount of heat required to raise one pound of water by one degree Fahrenheit. A heater with more BTUs can heat water faster. For example, the average hot water heater tank is 40 gallons.

How many gallons of water does a water heater tank hold?

For example, the average hot water heater tank is 40 gallons. There are approximately 8.3 pounds of water per gallon, so our example tank has about 330 lbs of water to heat.

How does pipe diameter affect water heater?

Pipe Diameter– In addition to the length of piping, the width of your water pipes could affect how long it takes the water heater to heat up. A wider pipe is beneficial as it carries more water, but it will require more water to be heated before the pressure builds enough for it to push through the remaining pipe system.

What to do if your water heater is dying?

If your current heater is dying on you, don’t let the stress of the situation rush you into making the wrong choice for your replacement. Before you choose a water heater, make sure you consider how long it takes for your water heater of choice to heat up.

How Long Does It Take for a Water Heater to Heat Up?

If you have a storage water heater (one with a tank), it takes a little time for the water in the tank to get hot. But how long does it take for a water heater to heat up?

How long does it take to heat up a gas water heater?

A large 80-gallon gas water heater takes about 60 to 70 minutes to heat up. Of course, this is just an estimate, and will vary by age and model.

How many gallons of water does a water heater hold?

Typically, storage water heaters can hold anywhere from about 30 to 80 gallons of water.

What does tankless water heater mean?

A tankless water heater generally makes hot water available instantly. If too much hot water is being used at once, the flow rate (in gallons per minute) will drop, but the water that does come out will still be hot.

What is storage water heater?

Storage water heaters are those with tanks that hold and heat water. Tankless water heaters don’t have storage tanks and heat the water right before it comes out of the tap.

What happens if the water temperature is low?

If the inlet water temperature is low, the water heater must work harder to raise the water to the temperature you’ve chosen.

Why does a water heater take so long to heat?

Electric water heaters are known to take longer to heat water. This is because it’s less efficient to use electrical heating elements than gas burners.

Why does my shower take so long to warm up?

The colder the pipes and the denser the material, the more heat is pulled out of the hot water, slowing the time it takes for your shower to warm up.

How far does hot water travel in a shower?

And depending on how large your home is, if your shower is on the opposite end of the home, your hot water may have to travel over 100 feet before it gets to you.

What is the flow rate of a shower head?

Unless you have a showerhead that was installed before 1994, you likely have a shower head with a flow rate of 2.5 GPM or lower. But newer “low flow” shower heads may have flow rates as low as .5 GPM. Check the side of your shower head for the GPM. Source.

How to save money on hot water?

According to Energy.gov, these systems save money and energy by sending the cold, leftover water sitting in your pipes back to the water heater instead of down your shower drain. Depending on the type of system, it can also run hot water intermittently through your pipes to prevent your pipes from getting cold and absorbing too much heat from the hot water.

How is the flow rate measured in a shower?

Your showerhead is measured by how many gallons of water passes through the showerhead in one minute (GPM). The lower the flow rate, the longer it takes your shower to push out the leftover, cold water sitting in the pipes from your last shower.

How far apart should a shower pipe be?

Another thing to remember is that pipes rarely travel in a straight line, so even if there’s a 50 foot distance between your heater and your shower, you should expect 60-70 feet of piping connecting the two. In this home, there are two bathrooms.

Where is the shower in bathroom #1?

Bathroom #1 is right next to the water heater with maybe 10 feet of piping (the pink lines) between the shower head and the water heater. The shower in this bathroom probably heats up very quickly.

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1.How Long Does It Really Take for the Water to Get Warm …

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6 hours ago  · Say your electric heater is 30 gallons. If the previous shower lasted 15 minutes, you’re looking at about four minutes of hot water remaining. If you want to loll in your own 15 …

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29 hours ago The lower the flow rate, the longer it will take to push out the cold water that has been sitting in the pipes since the last shower. Showerheads generally have a flow rate of 2.5 gallons per …

4.How Long Does it Take for a Water Heater to Heat Up?

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2 hours ago  · Depending on the type of heater you have, it can take anywhere from 30 minutes to an hour for your hot water heater to heat up. If you have an electric heater, it will take longer to …

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22 hours ago  · The distance from the water heater, the diameter of the pipe, and the flowing water of water are some reasons for taking time for hot water to come from the shower, for big …

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