Ventilation Ducting Supplies by Ventilation Specialists

Mechanical Air Supplies Ltd is an independent specialist ventilation supplier and privately owned company. Established in 1992, we have built an enviable reputation within the ducting and air movement industry and are known as a company that works closely with all of our customers. 

Our highly experienced team provides an unrivalled technical and distribution service to ensure that your needs as a ductwork and air conditioning contractor are fulfilled to the highest standard, we will ensure that your supplies for all ventilation projects are always delivered on time.


MAS has three branches surrounding London & our own fleet of vans that operate daily routes delivering HVAC duct components into Central London and surrounding areas (South East home counties, Berkshire, Buckinghamshire, Essex, Hertfordshire, Kent, Surrey, and Sussex).

MAS are manufacturers of spiral ducting, rectangular ductwork and fittings, which are fully compliant with DW144. In addition, we also stock a comprehensive range of ductwork supplies from the leading HVAC industry manufacturers such as ELTA fans, Vent-Axia, Helios and Domus Ventilation to name a few.

We pride ourselves by not having any limitations on where we deliver. It is not unusual to ship our products to far reaching projects such as Camp Bastion, The Falkland Islands, and even into space!