The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
Transactions ID Number: 89-402
Full Name: Teet Andrus Koiv
Position: Professor
Age: ON
Sex: Male
Address: Ehitajate tee 5, Tallinn 19086
Country: ESTONIA
Tel: +372 620 2505
Tel prefix: 372
Fax: +372 620 2501
E-mail address: Teet.koiv@ttu.ee
Other E-mails: takoiv@gmail.com
Title of the Paper: Indoor climate and energy consumption in residential buildings in Estonian climatic conditions
Authors as they appear in the Paper: Teet-Andrus Koiv, Hendrik Voll, Alo Mikola, Kalle Kuusk, Mikk Maivel
Email addresses of all the authors: teet.koiv@ttu.ee; hendrik.voll@ttu.ee
Number of paper pages: 10
Abstract: Investigation shows that in apartment buildings with passive stack ventilation the indoor air quality (IAQ) changes greatly. In the investigated apartment building the relative humidity level in bedrooms of different apartments varied greatly, from 20 to 72% in the autumn period. In the winter period the RH maximum reduces to 55%. High relative humidity is accompanied by problems of mould and a very low relative humidity level causes an unpleasant feeling when people get up in the morning. Greatly varying was also the morning CO2 level in bedrooms of different apartments, from 1000 ppm to 4200 ppm, the latter being quite critical. Higher levels of CO2 concentrations were first of all in bedrooms with renovated windows and with doors closed. By simulation the smallest is the energy consumption in the case of supply-exhaust ventilation. The results of the simulation of indoor climate are close to the results of the data recorded. The indoor climate of residential bu!
ildings is greatly affected by the arrangement of air change which in its turn is influenced by the external climate of the country.
Keywords: Indoor air quality, Energy conservation, Carbon dioxide, Relative humidity, Air change determination
EXTENSION of the file: .doc
Special (Invited) Session: Indoor climate and energy consumption in residential buildings
Organizer of the Session: 101-158
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