Love the control panel room stuff! Idea for the future: colored sirens and various lights.
PS. Working with the pack I found two places where I have a fealing that something is not right. Both of these screenshots came from sorted packs 16x16. White lines are made by Unity.
On the left is gym set where tyre shadow joins with weights shadow.
On the right is grocery store set where a piece of meat goes one pixel over the sprite line.