Ventilation system - central - 1 x 720 m3/h - polyethylene ducts - with earth tube heat exchanger (market for)

The activity generating the emissions is market for ventilation system, central, 1 x 720 m3/h, polyethylene ducts, with earth tube heat exchanger. The Reference Product is ventilation system, central, 1 x 720 m3/h, polyethylene ducts, with earth tube heat exchanger. This is an immobile infrastructure, representing the construction of a ventilation system, central, 1 x 720 m3/h, polyethylene ducts, with earth tube heat exchanger, a central ventilation system for a multi family house. It represents a central ventilation system including 4 parallel polyethylene ground heat exchanger tubes (200 mm diameter). Air distribution from the central ventilation unit with a galvanised steel tube (400 mm diameter) to the distribution housings in the 6 flats. Distribution of fresh- and exhaust-air within the flat with polyethylene tubes (75 mm diameter). Exhaust air from the air collection housings in the 6 flats with a galvanised steel tube (400 mm diameter) to the central ventilation unit. Exhaust air from the ventilation unit to the outside air with a galvanised steel tube (400 mm diameter). The lifetime is assumed to be 50 years. The process includes building materials and their decommission. The Reference Product amount is 1. The cut-off classification is allocatable product. The activity type is market activity. Please refer to the ecoinvent documentation for full details: https://ecoquery.ecoinvent.org/3.12/cutoff/dataset/8085/documentation