Determination of the heat transfer coefficient U (k) of building partitions under actual operating conditions. Method of measuring and calculating the heat transfer coefficient U (k) complies with ISO 9869 and ASTM C1046 / ASTM C1155.

Device:                                                                                                                                                                                                       Model Greenteg U-value – KIT  (gSKIN® KIT-2615C), by greenTEG