What type of recovery equipment has its own means for refrigerant recovery?

• A. Passive recovery equipment
• B. Self-contained or active recovery equipment
• C. Vacuum pumps
• D. Condenser units

Answer: (B)

The correct choice refers to self-contained or active recovery equipment, which is specifically designed to recover refrigerant from a system using its own power source. This type of equipment can efficiently remove refrigerant without relying on external factors or mechanisms, making it a crucial tool for technicians when servicing HVAC systems.

Self-contained recovery units have built-in compressors and often incorporate both the capability to recover and store refrigerant. This functionality allows technicians to extract refrigerant quickly and safely from refrigeration systems, ensuring compliance with environmental regulations and preventing harmful emissions.

The other types of equipment mentioned do not possess their own independent means of recovery. Passive recovery equipment relies on the pressure differential between two systems, which may require external means to facilitate the process. Vacuum pumps, while essential in the evacuation process, do not recover refrigerants; they are used to remove air and moisture from a system. Condenser units are components of refrigeration systems that dissipate heat and do not function specifically for the recovery of refrigerant.