boiler room
boilerhouse

The fire started in the boiler room on a cold Saturday morning.

It was like being in a boiler room instead of a mine.

Took it down to the boiler room with my own fair hands.

I don't suppose you ever worked in a boiler room.

Due to all the colleges having a central boiler room, the system worked quite well.

For example, they have changed the locks so I cannot get into the building's boiler room.

The rest of the group runs into the boiler room and seal themselves in.

There were half a dozen in the boiler room, he discovered, so take three.

Going down the stairs at the side door, and turning left, was the boiler room.

It was cold because something had gone wrong down in the castle's boiler room.