DIY Floor Heating Calculator

If you are considering using Radiant DIY Under Floor Heating, you can use our calculator to work out what size mat you require and what part numbers you need to order through any of our floor heating retailers.

How to use the calculator

Our calculator has been designed in an Excel spreadsheet, so you will firstly need to download it by clicking on the image below.

Once downloaded, open the file in Excel. If it opens in protected mode, click enable editing.

Now, simply enter the main dimensions of the bathroom and then add in any applicable exclusions for the bath, shower, toilet, vanity and any other areas you don't want heated. Our calculator will tell you what size matt you need, the electrical requirements and estimated running costs.



Click to download the Radiant Australia DIY Floor Heating Calculator