Is it better to heat a hot tub with gas or electric?

Author: Prof. Deven Dickinson  |  Last update: Friday, June 17, 2022

Fast Heating: Gas heaters are the clear winners when it comes to the speed of heating. A gas spa heater can add 1-2° per minute, whereas an electric heater may take an hour to add a few degrees. This lets you keep the spa at a lower resting temp, and heat it up quickly as needed.

How much does it cost to heat a hot tub with natural gas?

If you have a 1,200-gallon hot tub and your gas heater runs on natural gas, $1 will be needed per unit of natural gas to heat your hot tub water in 30 minutes to 93 degrees. Since you require 4.71 therms to heat your hot tub water daily, it will cost you $4.71 per day of heating the water.

How much does it cost to run a gas hot tub?

Modern manufacturers advertise the cost to run their hot tubs at about one dollar per day, with $50 per month at the high end. The energy cost of a hot tub varies based mainly on the heater, which usually draws between 1,500 watts or 6,000 watts.

What should I heat my hot tub to?

According to the US Consumer Product Safety Commission, the water temperature of a hot tub is best between 100°F and 102°F.

How long does it take to heat a spa with a gas heater?

Most spa owners expect their heater to take no more than 15 to 30 minutes to heat their spa to 102°F.

What is the best way to heat a Hot Tub?

Does hot tub heat up faster with jets on?

Before covering your hot tub, make sure to turn on the jets as this will accelerate the pace of your hot tub's heating. By running the jets, you're allowing the heated water to be circulated and evenly distributed to all areas of the hot tub.

What temperature should I keep my hot tub when not in use?

So, what is the ideal hot tub temperature when not in use? A good rule of thumb to follow is always keeping your hot tub's temperature 5 degrees below what it usually is.

Is 90 too cold for a hot tub?

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.

Should I leave my hot tub on all the time?

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.

Is 30 degrees too cold for a hot tub?

Most hot tubs can be set as low as 26°C, but this would only be appropriate if it is a hot summers day and you want to use your tub to cool off. The maximum safe recommended hot tub temperature is 40°C, as anything higher than this can be dangerous, posing serious health risks to users.

Are hot tubs a waste of money?

For most people, a hot tub is worth the money if you use it regularly—and don't mind spending the time and energy it takes to maintain it. A hot tub can be a fabulous luxury. However, an unused hot tub is an expensive waste of energy, and a poorly maintained one can pose health risks.

Do lazy spas cost a lot to run?

Lay-Z-Spa Weekly Running Costs in the UK

The estimated running cost of a Lay-Z-Spa is around £7 - £10 a week. These estimates are based on the Vegas Airjet Model being used 3 times a week in the UK's average summer temperatures.

Can I turn off my hot tub in the summer?

Although they are usually kept at temperatures between 99° F to 102° F, with a maximum heat of 104°F, you can lower the temperature for summertime use. Simply lower the temperature of your hot tub to roughly 85°F or turn off your heater altogether.

Are gas hot tubs worth it?

Propane gas is more costly, but produces slightly more BTU's than natural gas. Fast Heating: Gas heaters are the clear winners when it comes to the speed of heating. A gas spa heater can add 1-2° per minute, whereas an electric heater may take an hour to add a few degrees.

What is the cheapest way to heat a hot tub?

#1 Turn the temperature down on your hot tub

The easiest way to save money on your hot tub is to turn the temperature down a few degrees. Each degree will save you approx. 10% on your hot tub energy bill.

Do hot tubs need natural gas?

When it comes to hot tubs and spas there are really two ways of heating them. The first is gas and the second is electric. Gas hot tubs or gas-fired hot tubs use small swimming pool heaters to heat the water (around 100,000 BTU). These heaters can be natural gas or propane gas.

How often should you change hot tub water?

By draining and refilling with fresh water on a regular basis, you'll ensure your hot tub is clean, clear and safe. But the question is: how often should you do it? With average use, your hot tub should be drained and refilled about once every three or four months.

Do hot tubs use a lot of electricity?

Yes! Hot tubs run on an electrical supply. They usually need between 13 and 40 AMPS of power to run. The electricity powers the heater, pumps, lights and all the other working components on the hot tub.

Should I empty my hot tub in winter?

Draining Your Hot Tub For Winter

Although we recommend using your hot tub as normal during winter, some users will prefer to winterise (drain and turn off) their spa. This needs to be done thoroughly to ensure no issues occur when the hot tub is empty.

Can you stay in a hot tub for 2 hours?

If you're a healthy adult, it's safe to use your spa at 102°F for as long as you wish. If you're over 65, even if you're in good health, you should consult your doctor to determine what's right for you. In many cases, you'll get the green light to stay in the spa as long as you're comfortable and feeling well.

Can I use my hot tub in the winter?

Winter is a wonderful season to use a hot tub. The hot water & massage breathes life back to frozen feet and aching joints. Instead of winterizing the spa for the cold, why not make the most of your investment and enjoy it? New, energy saving hot tubs stay hot and ready all winter, without adding to your electric bill.

Can you leave water in hot tub off?

Well, in the case of your hot tub, it might not be the best idea. With the hot tub off, it will be unable to circulate and filter the water, that means stationary water which isn't being circulated. Water sitting in the pipework could end up going stagnant and causing problems when you return.

Is 40 degrees too hot for a hot tub?

Temperature Limits

It is important to ensure that you stay under the recommended Maximum Temperature for Hot Tubs, which is 40°C/104°F. By exceeding the 40°C/104°F recommended temperature limit, you are putting your body at risk – let's all stay safe so we can carry on enjoying our tubs!

Does turning down hot tub save money?

The maximum recommended temperature for a hot tub is 104°F (40°C), but that doesn't mean you have to keep it there. Setting a lower hot tub temperature will save energy and money, and will reduce evaporation, thereby preserving the chemicals in the water.

Is going in a hot tub good for you?

Health Benefits

The heat widens blood vessels, which sends nutrient-rich blood throughout your body. Warm water also brings down swelling and loosens tight muscles. And the water's buoyancy takes weight off painful joints. A dip in the hot tub might also help your mental state.

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