CoSourced provides specialist ventilation and indoor air quality services for commercial buildings across the UK. Our engineers support facilities management teams with ductwork testing, cleaning, ventilation maintenance and kitchen extract systems. From identifying issues with existing equipment to improving airflow and system cleanliness, we help customers maintain ventilation systems that operate effectively and support healthier indoor environments.

Creating Healthier, More Comfortable Buildings

Our approach begins with understanding the needs of your building and the people who use it. Through detailed indoor air quality (IAQ) assessments and ductwork testing (DTT), our experienced engineers can identify areas for improvement and recommend practical solutions. Using proven methods and industry best practice, we help customers create more comfortable, efficient and sustainable environments, with the potential to improve occupant wellbeing and support the long-term value of their buildings.