How Long Does it Take to Heat a Hot Tub?

If you are ready to learn how to enjoy longer sessions in your hot tub and spend less time heating it, then read all the related aspects about your hot tub and its maintenance in this informational guide. You might be confused about how long it takes to heat a hot tub.

The conservative answer is about four hours on average, and it can go up to eight hours to warm the cold water. Of course, you can’t wait so long and want to spend more of your time in your relaxing hot tub.

There are plenty of ways to improve this heating process which are all exposed here, so keep reading to learn this technique.

How Long Does it Take to Heat a Hot Tub?

If you are using your hot tub for the first time, you must know that it will take at least 4 hours to warm filled water. It will slowly accelerate the process, and you will get a warm temperature after this time.

In most cases, the hot water takes an hour to heat at 5 to 10 degrees, but it depends on the hot tub’s condition and surroundings.

It also depends on the quality of the heater and how long it takes to provide warm water to its consumer. The bulky hot tub will take longer to heat up because the quantity of water will be definitely enlarged in it.

The Fastest Routine: Heating your Hot Tub Water

If your hot tub takes too much time to heat up, don’t worry; you can accelerate its heating procedure by keeping a few factors in mind. You can turn on every jet of your hot tub and other water features to initiate this process.

The cover and insulation tricks also sometimes work when heating the hot tub water. You can also observe its surroundings and use the hot tub on a nice sunny day.

If you think the heater is not working well, then you can also upgrade it to improve the heating time of your hot tub. Now let’s learn all these guidelines in a comprehensive way so that you never miss any trick in this shorter format:

Why Does it Take So Much Time?

The hot tub requires some time to heat up. This is due to the fact that the liquids need more time to get hot than the solid objects.

The hot tub components also matter in this heating process; the working condition of the jets, water heater, pump, and its cover also affect the water temperature.

If you operate this utility in warmer conditions, then the water will get warmer quickly, and if you don’t put the cold water even, then it will become easier for this machine to heat the temperature.

Important Factors Affecting this Heating Time

You might still not figure out the exact reason for this delay. Let me tell you here some crucial factors that affect this heating process, and if you learn them wisely then, it will eliminate your frustration with heating the water quickly:

Base Temperature

It is actually the starting temperature of your hot tub. The average hot tub temperature is heavily dependent on this value because if it takes longer, it will disturb the overall time of this heating process.

You can initiate this base temperature before your bath time so that it will reach 100 degrees when you want to use it. This head start will save your time to a greater extent, but it never means leaving your hot tub running all the time because it will raise your electricity bill.

Ambient Temperature

The ambient temperature is actually the setting of your hot tub surroundings. The heating time is also associated with its nearby atmosphere.

Of course, the water will get ready in this utility quickly in a warmer environment, but if a cold breeze is blowing on your hot tub or you put it in colder condition, then the machine will definitely take more time to heat the water.

The warmer adjacent setup of your hot tub will also maintain the water in the longer run, but if this surrounding environment is cold, you can’t preserve the hot water in such places.

Hot Tub Cover

The tub cover is also an important factor to consider here. You can retain the heat and keep your water warmer with a perfect cover of your hot tub.

It will also give you the luxury of reaching your preferred warm water on time. The efficient models of hot tubs are available with a quality cover that will hold the warmth inside the tub for a longer time.

Hot Tub Size

Obviously, the bigger tubs will take more time to prepare the hot water. However, such bulky machines use powerful hot tub heat gadgets.

You will notice stronger heating elements to heat the water of the tub quickly. So, you have to integrate this heating power with its water storage capacity.

If you can’t do so and have already purchased your favorite hot tub, you can use an extra portable heater to accelerate this heating process. It is better to warm the larger tubs with multiple warming machines for perfection.

Heater’s Power and Efficiency

The working condition of the heating element matters a lot in this regard. This power rating is calculated in kilowatts.

So, if you use a powerful heater, it will surely consume more electric energy but will efficiently heat the water in your home spa quickly.

Tub Insulation

Finally, the warm water of your hot tub depends on this insulation factor. If there is any tiny crack in the linings of your hot tub, then the heat will sneak through it, and the water will get cool quickly

Moreover, if you want to preserve the hot water for longer, you must consider a well-insulated hot tub. If you find such holes in this hot tub or its cover, you must immediately repair them before using the tub for the right insulation.

Heat Up your Hot Tub Faster – 6 Simple Ways

Everyone is looking for the fastest way to heat a hot tub. You must follow certain rules simultaneously or per your requirements to heat up this home spa.

It’s not just about turning the jets on or keeping this tub in standby mode all the time. You need to follow pro instructions to warm the water in lesser time. Check out our proven tricks here to accelerate this heating process:

1. Use Portable Immersion Heater

You can reduce the heating time of your hot tub with a portable immersion heater. It supports this home spa’s already installed heating element and provides extra heating effects to cold water.

You can bring any immersion heater for the hot tub and use it per your requirements. This extra gadget will improve the heating capacity of this home spa.

If holding a Jacuzzi spa, you can put this portable immersion in a heated jacuzzi tub to keep the spa warm. As it is portable, you can use this utility for other purposes in your home.

2. Turning all Jets on

You can improve the hot tub heat up time by turning all its jets on before moving onto it. It will circulate the water perfectly in the entire tub and take less time to heat.

This practice will affect the water temperature to a greater degree and will warm it in less time. It will also put some warm sensations on the cold water hidden in pipes and corners.

The circulations will reach all cold pockets of this spa and disperse the hotness to the entire tub for overall warm effects. The temperature inside your hot tub will rise six degrees faster than the normal routine. You can also improve the overall heating time of your hot tub with this technique.

3. Quality Hot Tub Cover

The use of a quality hot tub cover helps you to maintain the hot tub heating system. The heating capacity will never blow away or sneak through your hot tub. If you bring a thermally efficient cover, you can retain the heat within your tub, and anyone can use it later.

You can also close your hot tub with a well-maintained cover during the heating process. It will also discourage the warm water bubbles from evaporating in the air and heating the water efficiently.

You have to check your hot tub cover from holes or cracks regularly. If you find any, it’s better to repair them before initiating this heating procedure.

4. Consider the Standby Mode

Suppose you don’t plan to use this home spa; even then, you can turn the sleeping mode on to keep this gadget ready to use.

It will also accelerate this heating process and keep the inside temperature of your tub warmer for a longer time. Most modern hot tub brands feature this standby mode, which shouldn’t be turned off in frequent use.

However, it’s not a good practice to keep running the sleeping mode of this home spa all the time. You have to consider this standby mode only if you want to use the hot tub in the coming hours.

5. Use a Floating Thermal Blanket

The hot tub heating time can also be improved by adding an extra insulated sheet underneath the cover. The use of this thermal spa blanket is the best hack for winters which provides a perfect cover to preserve the heat in the hot tub even in colder conditions.

If you have already produced hot water, this will prevent the heat, and the warmth from the hot tub will never escape at any cost.

6. Routine Maintenance

You can enjoy your relaxed time in a neat hot tub. The heating system and all the other components work well after a proper service.

If you use Jacuzzi bathing products and take their maintenance service regularly, you can improve your tub’s average jacuzzi temperature without investing anything extra in this machine.

All the filters, jets, and pumps need regular cleaning and repair if required. It will run this home spa for longer with the right care.

Can I Use Hot Water in This Tub?

Some excited users fill hot water in this tub and heat it to accelerate this procedure. Literally, this method is not safe for your spa tub.

Most hot tub models can’t sustain a water temperature of about 104 degrees; therefore, if you accidentally put hot water in your tub with a higher value than this figure, the water can damage this utility.

So, there is a certain risk involved in this heating method, and if you permanently damage some of its components or tear away its inner surface, you will never use this relaxing gadget again.

If you feel that the water is getting warm, you can include some hot water with a lower temperature in the hot tub; it will make the entire water hot quickly and give you desired water temperature in less time.

This trick might work in fewer cases and need more attention, so it is better to use the filters and jets of your hot tub to warm the water.

Jet On or Off – Another Important Debate

There is confusion about turning the jets on or off at certain times, so you must know that you have to periodically turn the jets on or off to circulate the water perfectly.

The effect jets will help the heating elements warm the entire water in less time by efficiently moving the water in the right direction.

It is better to turn the jets off before moving into the hot tub to make sure that the water will not create problems in your way. Besides this, if you think the water is starting to heat up, you should stop the jets from protecting this utility.

FAQs – Frequently Asked Questions

How Long Does it Take to Heat up a Hot Tub for the First Time?

The water warms up by ten degrees per hour for the first time. The process will take at least three to four hours to make the water hot up to your preferred temperature.

It is better to put a bit of warm water in your hot tub and use it on a sunny day; otherwise, if you add cold water to a hot tub, it might take up to eight hours to make the water hot.

How Can I Make My Hot Tub Heat Up Faster?

You can follow six simple instructions to accelerate this process which are:

Always cover your hot tub with quality cover.
Consider the thermal blanket.
Use sleeping mode if required.
Turn all the jets on.
Use a portable immersion heater.
Always do routine maintenance of this utility.

How Long Should it Take to Heat a Hot Tub?

In most cases, the hot tub takes three to eight hours to get ready for hot water in the tub. The average time may vary depending on the hot tub’s condition, but it frequently lies in this time range.

Does a Hot Tub Heat Faster with Jets On?

You must ensure that all the jets are working properly before putting a cover on the hot tub. It will distribute the heat evenly inside the hot tub, and the process may be improved to some extent.

Is 40 Degrees Hot Enough for a Hot Tub?

Yes, it is hot enough for a hot tub, and most folks couldn’t handle it. You should operate your hot tub at less than 40 degrees for your desired warmth temperature.

Final Thoughts

You have learned here that the process of heating a hot tub can easily be reduced just by following some crucial instructions. Suppose your hot tub takes more time to heat the water than you can replace its heating element.

Similarly, the base temperature can be initiated before using this utility but never run the hot tub all day. The surrounding environment of your hot tub also matters a lot; you can preserve the hot water longer in the warm atmosphere.

You must keep all these key things in your mind to accelerate this heating process; spend more time in your hot tub instead of maintaining the hot water.