I will do mechanical ventilation heat recovery mvhr design

Mechanical design Heat Recovery Ventilation (MVHR_Mechanical Supply and extract with Heat Recovery) Do Ventilation Cad systems for all types of Domestic properties, ranging from single story, large house, to large scale residential do 3D Drawings with design data Detailed Reports Material Schedule I design more then Ten Thousand Plus MVHR Ducting Design in Last Nine Years With Different types of Section and Elevation with client requirement i have Use Different types of Machine and Manifold for 75mm Semi Rigid Ducting

Radial Ducting 75 mm, 90 mm, and 114 x 51 mm.

Solid Rigid PVC Ducting 100mm to 150mm Round

110 x 54, 204 x 60, and 220 x 90 rectangular.

Thermal Ducting Pipe 125 mm, 160 mm, and 200 mm diameters.

Use silencer as per Unit Pipe Size when required.