air change rate (ACH)

Estimating the average air change rate for the heating season

Submitted by on Mon, 11/16/2015 - 17:10

Ventilation of buildings and homes is a key issue both from comfort and energy aspects. However to determine the average ventilation air flow or the Air Change Rate (ACH) for a heating season by tests in case of natural ventilation, involve certain difficulties. Essential requirements when testing a physical phenomenon:

Measuring Air Change Rates using the PFT Technique in Residential Buildings in Northern Portugal

Submitted by on Sat, 07/06/2013 - 16:39

Portugal has technical recommendations and standards regarding ventilation rates in naturalventilation systems.