Our engineers are all members of the Scottish Society for Contamination Control, fully qualified to test and validate clean air equipment safely.
Bespoke service
We provide fully planned and preventative maintenance for fume cupboards and safety cabinets, keeping equipment operating safely and efficiently all year round.
Adaptable
Our engineers hold deep expertise across cleanroom and pharmaceutical industries, supported by in-house HVAC commissioning specialists for complex troubleshooting needs whenever required.
Training
We have an unrivalled history testing end-user cleanrooms, pharmaceutical facilities, and newly constructed environments with a dynamic, thorough approach every single time.
Frequently Asked Questions
Find answers to some of the most common questions about our services, processes and how H&V can support your project.
What is clean air validation and why is it needed?
It is the process of proving that HVAC systems, filtration, airflow, and environmental controls operate as intended and maintain required cleanliness, temperature, humidity, and pressure levels.
What tests are included in clean air validation?
Common tests include:
Airborne particle counts (non-viable)
Airflow pattern and velocity
HEPA filter integrity and leak testing
Pressure differentials
Temperature and humidity
Room recovery rates
How often should validation be repeated ?
Initial validation is followed by periodic requalification (six monthly or Annual)
What is the difference between qualification and validation?
Qualification proves the system is designed, built, and installed correctly, validation proves it performs consistently over time under real operating conditions.
Explore Our Commissioning Services
From clean air validation to technical writing, discover the specialist commissioning services we deliver nationwide.
