How to reduce the monthly running costs of your hot tub?

reduce hot tub running costs
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7 Ways to reduce your hot tub running costs

The days seem to be getting colder. And jumping into your own personal hot tub has never sounded more appealing. 
But, maintaining a ‘ready to hop in’ temperature of 40 degrees Celcius in the cold Winter months can use more energy, and cost you more money. Turning your hot tub dreams into a soaring electricity bill nightmare. 

But don’t worry! Running efficiently, a good hot tub should cost you between £30 and £40 a month extra, throughout the year. If it’s costing you more, there are a few ways to reduce yout energy costs.

We look at the seven best ways for you to reduce your hot tub running costs. While still getting maximum use out of your hot tub.

  1. Turn the temperature down on your hot tub
  2. Check your electricity tariff
  3. Check the condition of your hot tub cover
  4. Insulate your hot tub cabinet
  5. Close your hot tub air jets
  6. Clean your hot tub filters
  7. Upgrade your hot tub
    In Summary

#1 Turn the temperature down on your hot tub

Most people like to run their hot tubs between 38 – 40 degrees Celsius. Making sure it is ready to use whenever you want.

But, holding a hot tub at this temperature, especially in cold weather, can use more energy and cost more money to run.

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.

This might be a good idea if you like it a bit cooler. Or if you are not planning on using it for a while. But, if you love your hot tub really hot, then this might not be the best solution for you.


#2 Check your electricity tariff

Your hot tub runs off an electrical supply 24/7.

Check that you are in the best possible tariff for standing and unit charges. If not, and if possible, switch to a lower one. No matter how energy efficient your hot tub is, you’ll be wasting money on energy bills if you don’t have a good tariff.

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#3 Check the condition of your hot tub cover

Is your hot tub cover heavy and water laden?

Does your hot tub cover lack insulation?

If the answer to either of these is yes, then you hot tub cover might not be as efficient as it could be. And it could be costing you money.

Approximately 60% of heat escapes through the surface of the hot tub. To reduce this you need a well-insulated cover, that is in good condition.

If your hot tub cover is past it’s best. You may find it cheaper in the long run to get a replacement cover. Adding a cover lift onto this aswell will make it easier to lift and keep it in good condition for longer.

#4 Insulate your hot tub cabinet

The space between the underside of the shell and the cabinet can be a way for heat to escape if not insulated properly.

We usually recommend that people get full foam insulation in the cabinet (eg. spray foam all the way from the shell underside to the cabinet). The best way to do this is at the factory, during the ordering process.

If your hot tub doesn’t have this, don’t worry. You can do a ‘DIY’ version at home. Buy some standard wall insulation or spray foam insulation and pack it inside the cabinet to stop the heat escaping. You can also add an insulating board to the inside of the cabinet to keep heat in. This is a good way to reduce hot tub running costs.

#5 Close your hot tub air jets

air toggle

Air can introduce a whole new massage experience to your hot tub. But, it also brings in cold air, which can reduce the water temperature. This means the hot tub is constantly working to bring the temperature up.

We suggest that you turn the air toggles off while you are not using the hot tub to reduce hot tub running costs.

#6 Clean your hot tub filter

Coast Spas filter

Keeping your hot tub clean is going to make your hot tubbing experience so much nicer. But it will also help to reduce your running costs. Double win.

If your filter is dirty and clogged, the filtration is going to have poor water flow and will have to work twice as hard to stay clean. Working harder = working longer in this case. And this will increase your hot tub bills.

Make sure you rinse your filter on a weekly basis using an instant or an overnight filter cleaner. It’s a good idea to get a spare filter so that you can rotate them while cleaning and never have any downtime on your hot tub.

#7 Upgrade your hot tub

Sometimes there is just no saving your hot tub.

If it’s old, chances are the newer more efficient models will be cheaper to run (provided it is well built and well insulated).

If you’re losing a lot of money on energy bills, you might want to look at upgrading to a newer model.


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In summary

High electrical bills are one of the main reasons people turn off or sell their beloved hot tub. Don’t let that be you. 

Hopefully, these tips will help you bring your running costs down between £30-£40 per month.

If you have any questions, as always, get in touch.


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Debbie Ekins
Debbie Ekins
Eagle Leisure - Sales & Marketing Manager Mission = to arm you with the knowledge you need to make the best buying decisions. Fuelled by coffee (and naps). Explorer of Scotland and the world.
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