The Difference R10 Insulation Makes
To show the difference R10 makes we tested two types of heat insulation seperately
Normal Heat Insulation System & R10 Heat Insulation System
![](https://www.scunthorpehottubs.co.uk/wp-content/uploads/2021/11/r10_scunthorpe-731x1024.png)
2022 Update:
Data from the Department for Business, Energy & Industrial Strategy (BEIS) suggests that electricity prices per kwh will reach on average 28 p/kWh in 2022. Using these numbers, with R10 Insulation this equates to £371.56 per year, or £30.96 per month. Without R10 insulation, this equates to a whopping £1,228.92 per year, or £102.41 per month.
For 2022, this is a saving of £71.45 per month, or £857.36 per year.
How we tested the Spa Refresh 355L
We tested the Spa Refresh 355L under these Conditions:
We removed the cover for 30 minutes and used the spa for 15 minutes during that time.
Twice water circulations every day with each water circulation lasting 3 hours and all the motor operating for 1 minute before each water circulation
The rest of the time it was kept warm with the covers on
![](https://www.scunthorpehottubs.co.uk/wp-content/uploads/2021/07/Screenshot-2021-07-08-at-13.21.36-1024x599.png)
![](https://www.scunthorpehottubs.co.uk/wp-content/uploads/2021/07/Screenshot-2021-07-08-at-13.22.44-1024x599.png)
How we tested the Cuba 344S
We tested the Cuba 344S under these Conditions
2 Usages per day.
Twice water circulations every day with each water circulation lasting 3 hours and all the motor operating for 1 minute each day.
The rest of the time it was kept warm with the covers on
![](https://www.scunthorpehottubs.co.uk/wp-content/uploads/2021/07/Screenshot-2021-07-08-at-13.40.04-1024x599.png)
![](https://www.scunthorpehottubs.co.uk/wp-content/uploads/2021/07/Screenshot-2021-07-08-at-13.41.50-1024x599.png)
![](https://www.scunthorpehottubs.co.uk/wp-content/uploads/2021/07/cropped-TU-V-Su-d-logo-VEKTOR512.png)
Our Certification
- These tests were certified by TÜV SÜD a leading expert in providing testing, qualification, training and product certification.
- We ensured that this test was done to the highest standards and had accurate results