PROBLEM TO BE SOLVED: To provide a composite device capable of being used for a long period of time by achieving a plurality of use forms with one device, improving equipment efficiency and maintainability, and achieving heating without problems such as noise and environmental destruction.SOLUTION: A composite device (100) comprises at least one LED (13), an emitter cover (10) and a blower (5). The emitter cover (10) includes a blowing port and an opening and closing member. In at least part of the opening and closing member, a light transmission area is provided in a state where the blowing port is closed.【課題】1台の装置で複数の使用形態を可能とすることで長期間の活用を可能とし、設備効率を向上させるとともに、メンテナンス性がよく、騒音や環境破壊等の問題なしに加温を実現することができる複合装置を提供する。【解決手段】複合装置(100)は、少なくとも1つのLED(13)と、発光体カバー(10)と、送風装置(5)とを有し、発光体カバー(10)は、送風口と開閉部材とを備え、開閉部材は、送風口の閉口状態において、その少なくとも一部に透光領域を有している。【選択図】図1