Heat-control apparatus for containers, adapted to modify the temperature of said containers in such a way as to bring them to a predetermined temperature, comprising: - a plurality of conveyors (1, 5, 8), adapted to transport a plurality of containers in sequence and comprising: - a feeding conveyor, adapted to transport the plurality of containers along a first direction (y); - a plurality of stationing conveyors, arranged parallel to each other and adapted to transport the plurality of containers along a second direction (x) and - a discharge conveyor, adapted to transport the plurality of containers along a direction parallel to said first direction (y) - a first and a second diverting means (4, 7), both comprising a primary curvilinear guide, configured to divert containers respectively from the feeding conveyor to a single stationing conveyor and from a single stationing conveyor to the discharge conveyor and - heating means, arranged on at least one side of each stationing conveyor and adapted to transmit a predetermined amount of heat to said containers characterized in that: - the second direction of the plurality of stationing conveyors is perpendicular to the first direction of the feeding conveyor; - said stationing conveyors have first ends adjacent to said feeding conveyor, in such a way that the feeding conveyor defines with each stationing conveyor a path adapted to allow the containers to pass from the feeding conveyor to the corresponding stationing conveyor; - the stationing conveyors have second ends, opposite to said first ends, adjacent to the said discharge conveyor, in such a way that each stationing conveyor defines with the discharge conveyor a path adapted to allow the containers to pass from the stationing conveyor to the discharge conveyor; and in that - said primary curvilinear guides of the first and second diverting means (4, 7) are slidable respectively along the side of the feeding conveyor distal to the first ends of the stationing conveyors and along the side of the discharge conveyor distal to the first ends of the stationing conveyors, in such a way that said first and second diverting means (4, 7) respectively connect the feeding conveyor in sequence with the stationing conveyors, and connect the stationing conveyors in sequence with the discharge conveyor. - a plurality of conveyors (1, 5, 8), adapted to transport a plurality of containers in sequence and comprising: - a feeding conveyor, adapted to transport the plurality of containers along a first direction (y); - a plurality of stationing conveyors, arranged parallel to each other and adapted to transport the plurality of containers along a second direction (x) and - a discharge conveyor, adapted to transport the plurality of containers along a direction parallel to said first direction (y) - a feeding conveyor, adapted to transport the plurality of containers along a first direction (y); - a plurality of stationing conveyors, arranged parallel to each other and adapted to transport the plurality of containers along a second direction (x) and - a discharge conveyor, adapted to transport the plurality of containers along a direction parallel to said first direction (y) - a first and a second diverting means (4, 7), both comprising a primary curvilinear guide, configured to divert containers respectively from the feeding conveyor to a single stationing conveyor and from a single stationing conveyor to the discharge conveyor and - heating means, arranged on at least one side of each stationing conveyor and adapted to transmit a predetermined amount of heat to said containers - the second direction of the plurality of stationing conveyors is perpendicular to the first direction of the feeding conveyor; - said stationing conveyors have first ends adjacent to said feeding conveyor, in such a way that the feeding conveyor defines with each stationing conveyor a path adapted to allow the containers to pass from the feeding conveyor to the corresponding stationing conveyor; - the stationing conveyors have second ends, opposite to said first ends, adjacent to the said discharge conveyor, in such a way that each stationing conveyor defines with the discharge conveyor a path adapted to allow the containers to pass from the stationing conveyor to the discharge conveyor; and in that - said primary curvilinear guides of the first and second diverting means (4, 7) are slidable respectively along the side of the feeding conveyor distal to the first ends of the stationing conveyors and along the side of the discharge conveyor distal to the first ends of the stationing conveyors, in such a way that said first and second diverting means (4, 7) respectively connect the feeding conveyor in sequence with the stationing conveyors, and connect the stationing conveyors in sequence with the discharge conveyor.