

Critical Airflow
About us
Critical Airflow is a specialist provider of critical airflow
solutions, supporting the safe, efficient and compliant
operation of laboratories and controlled environments
across life sciences, healthcare, research and
industrial facilities.
We supply and maintain advanced
airflow and ventilation control systems that protect
people, processes and facilities, while helping clients
manage energy use and operational risk.
Critical Airflow works with leading global technologies,
including Aircuity, Strobic Air and Phoenix Controls, to
deliver integrated solutions for environments where
airflow performance is mission-critical.
Products & services

Phoenix Controls Solutions
Phoenix Controls Venturi Valves are the industry benchmark for precision airflow control in laboratories and other critical environments. Designed to provide fast, accurate airflow regulation, they help maintain room pressurisation, protect occupants and ensure safe, energy-efficient operation. Trusted by pharmaceutical manufacturers, hospitals, universities and research facilities worldwide, Phoenix Controls systems deliver reliable performance for applications where airflow accuracy is essential. With rapid response times and pressure-independent control, Venturi Valves help maintain stable environmental conditions while reducing energy consumption and supporting regulatory compliance. Key Benefits Precise airflow control for critical environments Rapid response to changing room conditions Maintains accurate room pressurisation and fume hood performance Pressure-independent operation for reliable, consistent airflow Reduces energy consumption through demand-based ventilation Low maintenance with no regular calibration required Integrates seamlessly with Building Management Systems (BMS) Proven performance in thousands of laboratory installations worldwide Typical Applications Pharmaceutical manufacturing facilities Research and development laboratories University laboratories Hospital isolation rooms Bio-containment facilities Cleanrooms Vivariums Healthcare and life sciences facilities Phoenix Controls Venturi Valves provide the accuracy, reliability and performance required to protect people, processes and facilities while helping organisations achieve safer, more energy-efficient buildings.

Aircuity Monitoring System
Aircuity is a leading provider of intelligent airside optimisation solutions that help laboratories and commercial buildings improve ventilation efficiency while reducing energy consumption. Using advanced real-time sensing technology, Aircuity continuously monitors indoor air quality and provides accurate data to building management systems, allowing ventilation rates to respond dynamically to actual occupancy and environmental conditions. The result is significant energy savings, lower carbon emissions and improved indoor environmental quality without compromising occupant safety, comfort or productivity. Designed for laboratories, healthcare facilities, research environments, universities and commercial buildings, Aircuity's scalable solutions give facility managers clear visibility of building performance through continuous monitoring, data analysis and actionable insights. This enables informed decisions that improve operational efficiency, support sustainability goals and maintain safe, healthy indoor spaces.

Strobic Air Tri-Stack Fans
Strobic Air Tri-Stack® Exhaust System The Strobic Air Tri-Stack® Exhaust System is a high-performance laboratory exhaust solution designed to deliver safe, energy-efficient removal of hazardous air from critical environments. Engineered to achieve high plume discharge and exceptional exhaust dilution, the Tri-Stack system helps prevent contaminated air from re-entering buildings while reducing energy use, noise and maintenance requirements. With over 30 years of proven performance and installations in thousands of facilities worldwide, the Tri-Stack is trusted by laboratories, hospitals, pharmaceutical manufacturers and research facilities where safety and reliability are essential. Key Benefits High plume discharge and superior exhaust dilution for safer air dispersion Lower energy consumption compared to conventional exhaust systems Quiet operation through advanced mixed flow impeller technology and patented silencer nozzles Low-maintenance design with greasing required only every 18 months Motor bearings rated for more than 150,000 hours of operation Modular, low-profile design that reduces ductwork, roof loading and installation costs Easily integrated into new builds or retrofit projects Durable construction designed for a service life of up to 25 years Typical Applications Laboratory fume hood exhaust systems Pharmaceutical and life sciences facilities Manufacturing process exhaust Hospital isolation suites Bio-containment laboratories Process odour control Diesel generator exhaust systems The Tri-Stack system combines industry-leading exhaust performance with long-term operational efficiency, helping facilities improve safety, reduce lifecycle costs and meet demanding ventilation requirements.
