You can additionally stick a cpu heatsink on it (like prop. 2 in this article). This will help dissipate heat from the case. But overall, this case is still be

You can additionally stick a cpu heatsink on it (like prop. 2 in this article). This will help dissipate heat from the case. But overall, this case is still better than bare pi, or regular plastic case (the heat capacitor has much larger surface than the cpu of the pi).