A: As a buyer, the selection is usually based on:
Required humidity level (RH%) or dew point target
Room volume (m³) and layout structure
Temperature conditions (normal / low temperature / cold storage)
Continuous operation requirement (24/7 or intermittent)
Most procurement mistakes happen when only room size is considered. In engineering practice, moisture load and process conditions are more critical than area size alone.

A: Lead time depends on system type:
Standard models: usually 2–4 weeks
Customized systems (ducted, low dew point, cleanroom use): 4–8 weeks
Large integrated systems: may require project-based scheduling
For procurement planning, installation coordination with HVAC or construction schedule is often the key factor.

A: The main operating costs include:
Electricity consumption (fan, compressor, or regeneration heater)
Maintenance (filters, rotor inspection, system cleaning)
Air handling losses in ducted systems
Desiccant systems typically consume more energy than refrigeration systems but are required when low dew point conditions are necessary.

A: Yes, but compatibility must be checked in advance:
Existing HVAC duct system capacity
Electrical supply (voltage, load capacity)
Available installation space (floor / ceiling / outdoor unit)
Control system compatibility (PLC or BMS integration)
In retrofit projects, airflow balance and duct pressure resistance are often the main engineering constraints.

A: From a procurement risk perspective, key concerns include:
Incorrect capacity sizing leading to insufficient humidity control
Mismatch between system type and environment (e.g., using refrigeration system in low-temperature area)
Lack of integration with existing HVAC system
Underestimated energy consumption in continuous operation
Insufficient after-sales technical support for commissioning and adjustment
Proper system design review before purchase is critical to avoid operational failure after installation.