Indoor Climate and Ventilation Performance on Top Floors of Typical old-type Apartment Buildings

The article gives a survey of the basic parameters of indoor climate in buildings. The main purpose of heating and ventilation systems is to guarantee a healthy and comfortable environment for the occupants. Dependence of the performance of the ventilation system on envelope elements and heating system in top-floor apartments of typical old-type apartment buildings is analysed. The results of monitoring indoor air temperature, relative humidity and CO2 concentration are presented. Different solutions for improving air change in top-floor apartments of old-type buildings are considered.