Current Status of Continuous Ventilation System as a Countermeasure of Sick House Syndrome

Abstract

This paper describes the current status of continuous ventilation system mandatory in houses according to the building standard law as a countermeasure of sick house syndrome enforced 5 years ago. Background situation of the specified amount of ventilation requirement, characteristics of formaldehyde as a contamination source and appropriate measurement technique of net air volume of total heat exchanger unit are discussed. The performance requirements for continuous ventilation system of highly airtight houses are discussed.