00:00But for walls, you'll need a small box, as recommended by the experts.
00:04What's the purpose of this device?
00:06It's going to send an electromagnetic field to the back of the device.
00:10It will disorientate water molecules and bring humidity down.
00:15This device, which costs around 1,500 euros, shows its effectiveness after 18 to 24 months.
00:21But it doesn't get to the root of the problem.
00:25Stefan will have to carry out more extensive work if he wants his home to be healthy in the long term.
00:30Stefan will have to carry out more extensive work if he wants his home to be healthy in the long term.