The Hellenic Ministry of Health, in a circular issued on April 23 based on 
REHVA COVID-19 guidance document , demands that public health measures be taken against viral and other infections during the use of air conditioning units.
Instructions, based on the circular, on how to use the air conditioning units from now on both in the business premises and in our homes, how they should be cleaned and special instructions for the use of the air conditioning units in WCs are presented in this presentation .