A chamber module and a test handler including the same are disclosed. The chamber module includes a soak chamber providing a temperature adjusting space for adjusting a temperature of semiconductor devices, an elevating member disposed in the soak chamber and for elevating a tray in which the semiconductor devices are accommodated, a guide member extending in a vertical direction in the soak chamber and for guiding movement of the elevating member, and a temperature adjusting part for adjusting a temperature of the guide member.