An image capture apparatus to which a module having a predetermined function can be attached, the apparatus comprises a connecting unit configured to attach the module, a heat transfer unit configured to exchange heat with the module, a communication unit configured to communicate with the module, and a control unit configured to control a heat dissipation state of a system including the image capture apparatus and the module on the basis of information pertaining to heat dissipation performance of the module and position information pertaining to an attachment position of the module, the information having been acquired by the communication unit.