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KC-84-12-4 — The Influence of Airtightness on the Operation of Ventilating Systems in Multistory Buildings

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Conference Proceeding by ASHRAE, 1984

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Description

Energy consumption due to ventilation and air infiltration has been estimated to be 30-50% of the total energy use in Finnish high-rise residential buildings. While natural ventilation was common in earlier buildings, central mechanical ventilation systems have become predominant during recent decades.

A typical energy balance of an apartment building is presented in Figure 1. The heat loss due to ventilation and infiltration appears to be reasonably small, averaging 0.5-0.7 air changes per hour.

Heat recovery systems are not common, partly because of high investment costs (as they require either a heat pump system or a mechanical supply air system).

Citation: Symposium, ASHRAE Transactions, 1984, vol. 90, pt. 2B, Kansas City, MO

Product Details

Published:
1984
Number of Pages:
14
File Size:
1 file , 920 KB
Product Code(s):
D-KC-84-12-4