Too much of a good thing is not good.
This is what was happening with my central heating plus a/c, but it seemed that when I ran the central a/c it was pumping out air that was way too cold! It didn’t happen when I turned on the central heating.
It was only the central air conditioner for some reason. I even called the local heat plus A/C business to have them send out a certified heating plus cooling specialist to take a look at my central heating plus a/c. From what they told me it was because I had too much freon in the heating plus A/C unit, but well that was odd! I didn’t know how that happened, but what I had to do was just let the freon run out, and then when I recharged it I would just put half as much as I did before. This would repair the issue with the air conditioner being too cold. Well, in the meantime I just had to set my control unit rather high in order to not let the place get colder than ever. This worked and then when my freon ran low, I just filled it half way. This seemed to have fixed the problem just as the heating plus air conditioner specialist said that it would, central heating plus a/cs can be pretty weird and difficult to run at times, but and this here is a prime example of one of those times when owning and running a central heating plus a/c can get quite tricky!