Installation pompe à chaleur 44 Installation pompe à chaleur 44 Source google image: http://www.idep-37.com/admin/upload/climatisation/VRV_%20de%20_marque%20Daikin_%20gain%C3%A9%20_pour_%20un_%20ensemble_%20de%20_bureaux_%20en%20_refoulement_%20d’air_%2044_%20Nantes_.jpg