Source google image: http://news.idealo.fr/wp-content/uploads/2011/11/chauffage-dyson-hot-air-multiplier-am-04_ZOa.jpg
Chauffage reversible
Source google image: http://news.idealo.fr/wp-content/uploads/2011/11/chauffage-dyson-hot-air-multiplier-am-04_ZOa.jpg