Tempering device (1) for an artificial beehive cavity (2), comprising: at least one frame (4) which can be placed with an underside on a frame (3) of the artificial beehive cavity (2), the at least one frame (4) having at least one ventilation opening , preferably has a large number (5) of ventilation openings, - at least one - preferably arranged in the frame (4) - vacuum insulation panel (6) and - at least one diffusion-open material (7) - preferably insulation made of hemp - which contains the at least one vacuum insulation panel ( 6) at least partially surrounds and exchanges air with the at least one ventilation opening, so that air can diffuse past the at least one vacuum insulation panel (6).
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