How much does it cost to operate a steam room? Customer Support February 02, 2021 21:55 Updated around 15p per hour, however, it's recommended that you only steam for around 20 minutes. Related articles How strong is the tray? My shower tray leaves a small water puddle not every last drop of water voids to the waste. How do I use the control panel? How to connect to the Bluetooth? Setting the time and temperature of the steam. Comments 0 comments Please sign in to leave a comment.