| Summary: | Few inhabitants in Greenland results in few small consulting companies, and they do not invest in building thermal simulation programs since they are too expensive and the use will be very limited. The aim of the paper is to describe a simplified thermal calculating design tool TCD2 for pre-designing ventilation air flow in Greenland, and thereby improving the level of calculation of the thermal indoor climate in Greenlandic buildings. In this phase, it has never been the intention to make a full validation of TCD2; however, this will take place during the next phase. The preliminary results show that the proposed design ventilation air volumes by TCD2 for annual simulations in BSim and IDA ICE meet the typical Danish/Greenlandic requirements, which are a given number of hours above 26 ºC and 27 ºC in the working hours, thus indicating that TCD2 is an alternative on the safe side to more advanced programs. publishedVersion
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