Abstract: The invention concerns an apparatus (10) for roasting coffee beans comprising:—a roasting chamber (1) presenting a bottom opening (11),—an air driver (2) configured to drive a flow of air inside the roasting chamber through the bottom opening of said chamber,—an electrical heater (3) positioned below the bottom opening of the chamber configured to heat said flow of air driven to the bottom opening of the roasting chamber, wherein the apparatus comprises a conduit (6) to drive the flow of hot air from the heater (3) to the bottom opening (11) of the roasting chamber, and wherein said conduit (6) comprises a local transversal constriction (61), and wherein at least one temperature probe is positioned at said local transversal constriction (61) of the conduit.

Abstract: The invention concerns an apparatus (10) for roasting coffee beans comprising:—a housing (4),—a roasting chamber (1) presenting a bottom opening (11),—an air driver (2) configured to drive air inside the roasting chamber through the bottom opening of said chamber,—an electrical heater (3) positioned below the bottom opening of the roasting chamber, said electrical heater being configured to heat air driven inside the roasting chamber,—the air driver and the electrical heater being positioned inside the housing N (4) and the housing comprising a hot air outlet hole (41) designed to enable the passage of hot air from the housing inside the bottom opening (11) of the roasting chamber, and the electrical heater (3) being positioned just below the hot air outlet hole (41),—the roasting chamber (1) being removably mounted to the housing (4), the bottom opening (11) of the roasting chamber cooperating with the hot Nair outlet hole (41) of the housing when the roasting chamber is mounted to the housing, wherein the a