Pharmaceutical HVAC Solutions
Pharmaceutical HVAC solutions are used in critical areas where high hygiene, precise temperature and humidity control, and controlled particle counts are essential. Therefore, HVAC systems are not designed merely for comfort. They are fundamental to product safety and compliance with GMP (Good Manufacturing Practice) requirements.
KEY OBJECTIVES
Temperature Control
It is generally maintained between 20 and 24 °C.
Humidity Control
The 45–60% relative-humidity range is optimised for critical products and processes.
Filtration
HEPA or ULPA filters control particles and microbiological load.
Differential Pressure Management
Positive and negative pressure differentials between cleanrooms help prevent cross-contamination.
Air Change Rate
It is defined according to ISO and GMP classes; for example, ISO 7 commonly requires 30–60 ACH.
Energy Efficiency
Heat recovery, variable-speed fans and precise sensors support energy optimisation.
SYSTEMS USED
Hygienic Air Handling Units (AHU)
Smooth internal surfaces and stainless-steel-clad casings
HEPA-filtered outlets
Dehumidification and humidification coils
DX or chilled-water cooling coils
Electric or hot-water heaters
Heat recovery by rotary wheel, plate or run-around coil
HEPA Supply-Air Systems
Terminal HEPA filter boxes
Laminar airflow systems (LAF)
Fan Filter Units (FFU)
Pressure Control Equipment
Automatic opening and closing dampers
Differential pressure sensors and control automation
BMS/SCADA Automation
Alarms, monitoring, records and trend analysis
The infrastructure needed for validation and GMP reporting
CLEANROOM CLASSES
Cleanroom classes describe controlled environments classified by particle concentration. Cleanrooms are used particularly in pharmaceutical, biotechnology, electronics, food, aerospace and aviation sectors. ISO 14644-1 and GMP, including EU GMP Annex 1 where applicable, are among the most widely used references.
VALIDATION AND DOCUMENTATION
IQ / OQ / PQ procedures: installation, operational and performance qualification.
Particle testing, airflow-velocity measurements and smoke tests.
Temperature and humidity mapping.
Record keeping via BAS/SCADA and support for 21 CFR Part 11 compliance.
ENERGY-EFFICIENCY RECOMMENDATIONS
Heat-recovery systems, including rotary wheels with more than 65% efficiency.
Low energy consumption through EC fan technology.
Ultrasonic or high-pressure steam humidification systems.
Zone control based on an analysis of HVAC loads.
In pharmaceutical manufacturing, HVAC systems do more than provide comfort. They are core infrastructure for product quality and regulatory compliance. Properly designed and validated HVAC systems directly affect process reliability and the facility’s GMP compliance.
WHY CHOOSE AIRTES FOR PHARMACEUTICAL HVAC SOLUTIONS?
✓ Specialist engineering
✓ Energy-efficient, long-life systems
✓ Designs tailored to process requirements
✓ Fully integrated automation support
✓ Fast technical service after sales and installation
Airtes Industrial · [email protected]
For current GMP guidance, review the European Commission’s EudraLex Volume 4.
