Tech charge my aircondition too much, then aircondition overload switch shut it down,a few times,then tech release freon,aircondition switch shut it down again,tech fid it again with same resolts.Now he want to install dry pipe.IS HE WRIGHT.Or I hot the wrong guy.

Tech charge my aircondition too much, then aircondition overload switch shut it down,a few times,then tech release freon,aircondition switch shut it down again,tech fid it again with same resolts.Now he want to install dry pipe.IS HE WRIGHT.Or I hot the wrong guy.

I believe it is time to call a local professional HVAC person who knows what they are doing.