Advantages:
Ease of Installation: FCUs are easy to add to existing spaces without ductwork, reducing installation costs.
Minimal Disruption: Ideal for adding cooling with minimal impact on existing spaces.
Simple Maintenance: Easy to maintain and replace, with straightforward operation.
Energy Efficiency: Can reduce heating and cooling costs by up to 20% by allowing room-specific temperature control.
Improved Air Quality: Filters capture dust and pollen, reducing allergy-related health issues.
Disadvantages:
High Maintenance Requirements: Requires regular maintenance, including filter changes, valve actuator replacements, and leak repairs, leading to higher costs than central systems.
Difficult Maintenance Locations: Maintenance in occupied spaces (e.g., offices, hotel rooms) can be challenging.
Sizing Issues: Incorrect sizing can lead to inefficiency, with units either overworking or causing temperature fluctuations.
Uncoordinated Operation: Multiple FCUs can result in uneven temperature distribution across rooms, increasing energy consumption.
Lack of Fresh Air: FCUs typically don't introduce fresh air, requiring a separate system for ventilation.
Noise: FCUs can be noisy, especially if improperly installed or if components like motors or fan blades are damaged or unbalanced.
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