Hence, the water temperature in your hot tub should never go below 78.8°F, which is the appropriate minimum limit recommended by the Centers for Disease Control (CDC) and the Consumer Product Safety Commission (CPSC).
Filling a Hot Tub in Winter
The temperature will affect your winter hot tub delivery, especially as you fill your hot tub. However, you will also want to consider your water source. A hot tub might take several hours to fill, depending on your home's water pressure and the size of the spa.
The majority of hot tub users prefer a water temperature in the range of 100°F-102°F. 104°F is the standard maximum temperature, which some users also prefer. Always consult a physician before getting in the hot tub while pregnant.
For a Fully-Foamed hot tub to start to freeze the temperature needs to be below 28 degrees F for at least 36 Hours straight. Even if it does get that cold if your hot tub & pumps are still operating, the water is circulating and will not freeze.
If you have not winterized your spa and won't be using your hot tub for extended periods during the coldest months, the very lowest you should set your hot tub temperature is 80° F. This will prevent your hot tub from freezing.
Hot tubs don't just have to be used in the winter; you can also use them to cool off in the summer too. Depending on how cool you want the water to be, we recommend experimenting with temperatures between 29 and 35°C to find the most comfortable temperature to suit you.
The maximum temperature of any given hot tub is almost always 104 degrees. On the other hand, most hot tubs have a minimum temperature of about 85 or 90 degrees. There are exceptions, though. Some hot tubs, such as those which use AnyTemp® spa technology, can reach temperatures as low as 62 degrees.
If you need to change the water, do so in small batches. Remove 6″-12″ of water at a time; refilling – and reheating – the water in between these partial drains. While this won't get you the same results as completely draining and refilling the hot tub, it will get you by until the weather warms up.
We've mentioned water temperature above, and you may be wondering, “what is the ideal water temperature?” We suggest keeping your hot tub between 97 and 104 degrees Fahrenheit in the winter. This is because the colder it is outside, the longer it will take for a hot tub to heat up.
Your hot tub will not freeze overnight unless the water stops circulating and you live in the Arctic. If your hot tub loses power, and assuming there is a cover and reasonable insulation, you will have at least a few days before water starts to freeze.
For most warm water therapy, a temperature below the body temperature 98.6° is desirable, something between 92-94°.
Hot tub water temperatures should never exceed 104 degrees Fahrenheit. A temperature of 100 degrees is considered safe for a healthy adult. Special caution is suggested for young children. Excessive drinking during hot tub use can cause drowsiness which could lead to unconsciousness and subsequently result in drowning.
An ideal hot tub temperature is set between 100 and 102 degrees and you can relax for as long as 15 to 30 minutes safely.
Can I leave the spa on all the time? The spa can be left on, if the heater function is left on, the pump unit will maintain the temperature of the water for you. If you want to use the spa regularly this is the most cost effective way of maintaining the water temperature.
“Hot tub water temperatures should never exceed 104 degrees Fahrenheit. A temperature of 100 degrees Fahrenheit [equivalent to 40 degrees Celsius is considered safe for a healthy adult.”
Hot Tub Time Limits
While hot tubs promote relaxation, there are dangers to staying in too long – including dehydration. Most agree that hot tub soaks should last no more than 30 minutes. Assuming the temperature is between 102° and 104°, five to 30 minutes is the optimal amount of time.
1. TEMPERATURE. If you prefer to soak at the maximum recommended setting — 104°F — the duration of your dip needs to be scheduled accordingly. While this temperature is safe for healthy adults, you should remain immersed for no more than 20 minutes at a time.
Hot tub water temperatures should never exceed 104 degrees Fahrenheit. A temperature of 100 degrees is considered safe for a healthy adult. Special caution is suggested for young children. Excessive drinking during hot tub use can cause drowsiness which could lead to unconsciousness and subsequently result in drowning.
Most manufacturers recommend setting your hot tub to maintain a balmy 100°F the majority of the time. This strikes a balance between usable temperature and energy efficiency.
As a rule of thumb, many users keep their hot tub set at temperatures ranging between 97-99 degrees. This, of course is a personal preference, but one that will allow you to safely reap the many hydrotherapeutic benefits without making your time in the water uncomfortable.
*A hot tub can be left without power up to 3 days without risk of freezing, IF you follow these tips: 1. Keep hot tub cover closed and locked in place.
One question we sometimes get asked is should I leave my hot tub on all the time? The answer is yes! Hot tubs are designed to be left on permanently and this is how they work best. Of course, they'll need to be drained regularly but for the most part, they are left on 24/7.
1. Do cover your hot tub cover. Heat wave power outages have one advantage over winter storms: your hot tub water is not likely to freeze and crack your hot tub. However, if the nighttime air has you concerned about the chill, cover your hot tub cover with some warm blankets or sleeping bags.
Answer: What you have with the hot tub is mechanical breakdown, which led to the freezing that caused the damage. The freezing of the hot tub is an ensuing loss to the mechanical breakdown. Therefore, the mechanical breakdown is excluded, but the damage to the actual tub itself is covered.