Fortunately for us, human engineering thought took care of our well -being in this regard, and we have been provided for use by air conditioning, or, well -known air conditioning. In Moscow, where there are several hundred thousand companies with their offices, where more than ten million people live in their apartments, the demand for the service for servicing air conditioners is so large that in accordance with this giant demand, a significant number of companies that are engaged in this business have appeared.