The apparatus for preparing and dispensing hot beverages comprises at least one containment tank (2) predisposed to contain the product to be prepared. Inside the tank (2) a mixing device (3) predisposed to determine the continuous circulation of the product and a heating device (4) of said product are placed. The heating device (4) comprises a cylindrical body (1 1 ) coaxial to said mixing device (3) and having in its inside a heating member (12).