How Quickly Can You Heat Up a Hot Tub?

If you’re a new hot tub owner, you likely have some questions, and how long it takes your spa to heat up so you can start enjoying it might be one of them. This time typically depends on various factors, like how large your hot tub is and the temperature you prefer most. It will generally take about four hours for your hot tub to get to the temperature you desire, or about an increase of three to six degrees every hour. However, there are actually a handful of things you can do to heat it even quicker. Here are some aspects to keep in mind.

How Your Climate Plays a Role

It’s probably safe to say that if you live in a climate that is always warm and sunny, your hot tub will take less time to heat up than if you live somewhere that’s snowy and below zero. However, whether it’s rain or snow, outside influences as well as where your hot tub is located can affect how quickly your hot tub heats up. For example, hot tubs can be installed inside or outside your home, and those that are inside will, of course, have a better chance of heating quicker and remaining at that temperature. However, regardless of where your spa is, there are a few tips and tricks you can do to cut down this heating time.

Tip Number One: Buying a Reliable Hot Tub Cover

The first tip we have for heating your hot tub quickly and maintaining your desired temperature is buying a good-quality cover that fits your hot tub the way it needs to. By keeping your hot tub cover on as often as possible, the water circulating beneath the surface will heat up much quicker than if it is constantly exposed to cold air. This tip will be extremely beneficial as a hot tub’s cover is designed with insulation layers to trap the warm air inside and keep the cold air from coming in.

In addition to a hot tub cover, thermal blankets can be added as another protective layer between the water and cover. These spa blankets are designed in a way that they can easily be cut to fit your specific spa. Although the cover itself will typically provide enough insulation, specifically if you invest in a really good quality cover, this is another step to help your hot tub heat up faster. It can also increase how long your hot tub remains at that desired temperature.

Tip Number Two: Turning On the Jets

If you’re trying to speed up the process of heating your pool, then ensuring your jets are running will do just that. Because water circulating will heat faster than water that is still, keeping your jets running will help significantly. Running them will also eliminate the chance of air pockets where cold water can sit. If you think about swimming in a lake or ocean and you come across a cold patch, it’s likely because the water isn’t circulating. So, whether you’re heating your hot tub for the first time or for day-to-day use, turning on the jets will help it get to your desired temperature quicker.

Tip Number Three: Heaters and Hot Water

If at any point you need to add extra water into your hot tub while filling, then make sure you’re adding hot water rather than cold tap water. Although this might go without saying, adding in cold water as you’re trying to heat your hot tub will only further slow down the process of doing so.

The last thing you can do is add in what is known as an Immersion Heater. Adding a device like this to your hot tub will speed up the heating process. If you’re planning on adding a device like this to your spa, ensure you’re looking for a heater with a minimum of 1500W to get the best results.

Although the time it takes to heat a hot tub will vary depending on the size, shape, make model, and location, these best practices can help you achieve and maintain the temperature you desire. So, whether it’s 98 or 104 degrees, following these tips can help you spend less time waiting for your hot tub to heat up and more time enjoying all of its benefits. To learn about finding the perfect hot tub for your home, download our free buyer’s guide.

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