In an afternoon update, officials said investigators determined the source of the smell was a refrigerant leak from a rooftop HVAC unit. Initial reports from fire officials said that 10 people ...

two of the most important tasks performed by technicians are refrigerant recovery and system evacuation. To perform these tasks properly, and in a safe manner, technicians need to understand the ...

Systems vary, but each one holds a specific amount of refrigerant. The only way to know it’s full is to evacuate the system and fill it with the specified amount. Secondly, topping off the ...

A burned refrigeration unit belt caused smoke at Family Fare, forcing an evacuation before fire crews reopened the store on Thursday evening.

A fire that apparently started in a rooftop HVAC unit forced the evacuation Monday morning at FUJIFILM Diosynth Biotechnologies in the Holly Springs Business Park. A fire that started in a rooftop ...