Analysis of Indoor Air Quality in Different Exhaust Conditions in Residential Buildings in Winter

The research analyzes the residence buildings in winter in China which use toilet exhaust units and kitchen ventilator in various combinations as the existing exhaust system, meanwhile, set adjustable air intakes above bedroom and living room windows respectively. In order to provide certain security to solve the comfortable living environment, the indoor transient CO2 concentration distribution is simulated in different exhaust conditions by software Airpak.