An electrician walked into the equipment room to diagnose and repair an electrical problem in the school. It didn't take long for the carbon monoxide inside the boiler room to fell the man. The source of the carbon monoxide leak was a faulty boiler installation. A short while later, the electrician was carried out of the building by the firefighters and taken to the hospital. Luckily, he survived. 

The mechanical room's importance and safety are often overlooked, and that could cause problems for the equipment installed in the room and the humans who visit it. The following are some of the common issues inside a mechanical room I have seen.