Air Hygiene

LEV Testing

LEV Testing

Local exhaust ventilation, often called dust and/or fume extraction, can help keep the environment clean before people breathe in these harmful substances.

IAQ Monitoring

IAQ Monitoring

Indoor air quality is influenced by many factors including, location, external pollution, occupation levels, performance of the ventilation system and decor.

Kitchen Extraction

Kitchen Extraction

Most catering establishments feature a canopy extraction system in the kitchen to control the build up of heat, steam and grease emissions in the cooking area.

Ductwork Cleaning

Ductwork Cleaning

Poor hygiene levels in ventilation systems can not only affect the occupants in the building, but can greatly effect the energy and efficiency of the system.

Fire Damper Testing

Fire Damper Testing

An essential fire safety service which includes cleaning, lubrication, and drop testing.

Filter Upgrades & Retrofits

Filter Upgrades & Retrofits

QES can provide various upgrade services to improve the energy & hygiene efficiency of ventilation systems.