Air
Air Quality
Creating safer, healthier environments through clean, efficient air. The quality of indoor air directly affects wellbeing, comfort and compliance. Poor ventilation, contamination or restricted airflow can cause discomfort, illness and reduced productivity.
HSL Compliance provides expert indoor air-quality assessments for offices, healthcare, education and public buildings. Our specialists measure ventilation effectiveness, temperature, humidity, carbon dioxide and particulates. We review the condition of ductwork and air-handling systems, where dust or deposits can reduce airflow efficiency and raise energy use.
Each survey delivers clear findings, practical recommendations and support to help you maintain safe, efficient and comfortable environments all year round. Whether you need a one-off survey, ongoing monitoring or seasonal ventilation reviews, HSL Compliance provides independent, evidence-based guidance as part of your environmental and occupational-hygiene strategy.
Other Air Services
Extract Systems
Comprehensive cleaning of grease extract ventilation systems to reduce fire risk and support compliance.
Wet Film Thickness Testing (WFTT)
Objective measurement of grease and soft-deposit build-up within extract ductwork to help inform cleaning requirements.
Commercial Kitchens
Deep cleaning of commercial and industrial food preparation areas and catering equipment.