In 30 minutes, Dyson arrives heating a workpiece 6 by 4 meters high by 3.80 and an external temperature of 5 °. To do this: - I set the blower to 1 to not be bothered by the noise. - I set the temperature to 22 to have a temperature of 20 ° - I turned on the swing. One very minor complaint: It's not easy to move. It would be tempting to grab the opening ... but it is forbidden ....