Air conditioning unit not letting out cool air

I live on my own and in a rather big house.

I have always believed that if you work hard and you make a decent amount of money that you should treat yourself.

Therefore I have bought myself a very nice home on the beach. Some say that it is too big, however I don’t mind living in a big home and I enjoy it as much as I can because I only live in it for four months out of the year. Because I have a bigger home I hire a landscaping service to do a lot of the landscaping of my flower beds and garden. I even hire a local HVAC technician that I trust working on my HVAC system. This is because I need a bigger than normal HVAC system to cool and heat my home since my home is somewhat bigger. The other morning I tuned on the news and I saw that the weather was supposed to reach up to the mid-nineties so I went up to my thermostat and set my temperature down a bit cooler than what I normally would, and I turned on my air conditioner. I could hear the unit running but when I put my hand over the vent there was no cool air coming out. I called my HVAC technician before the temperature started to rise outside. He came out and looked at the unit I told the HVAC technician the problem and he said that my air conditioner could have run out of coolant or it may need to be recharged and that it wasn’t a big problem.
hvac unit