GDL Air Systems Ltd is a privately owned manufacturer and supplier of air distribution products servicing the construction in ... dustry both Nationally and in Europe.We specialise in the manufacture of Grilles, Diffusers, Louvres, Dampers, Natural Ventilation, Solar Shading, Displacement Units and Heat Recovery Systems. Since 1980 GDL has offered a vast wealth of experience in technical, manufacturingand product development fields, ensuring our customers are supplied with a choice of products most suited to their requirements, manufactured to the highest quality. We are fully focused on ensuring 100% customer satisfaction. Our internationally recognised accreditations, including ISO 9001, ISO 14001 and ISO18001 demonstrate that quality and customer service are of paramount importance to us. Our specialist manufacturing capability means we can offer bespoke non-standard product variations. Approximately 50% of the products we supply are tailored to meet our customers exact requirements and we are proud to have been involved in some of the UK’s most complex and prestigious building projects. read more