Hi all. Looking for some advice on adding a cooling system to my house. I have a 1500 sq ft earth home that is made almost entirely of concrete so conventional systems most likely won't work as there is no good way to run a supply and return air line. I am looking to cool 4 rooms: 1 23'x23' living/kitchen area, 1 13'x13' bedroom, 2 9'x 13' bedrooms. All the rooms are located on the south wall of the house and each room has a large window. The south wall of the house is wood and is well insulated. My initial plan was to install a mini split in each room and run the line sets through the outside soffits. During my research on split duct units, I found another possible option, the High velocity systems. Does anyone know if these systems work as they are advertised? How do I go about finding a reputable contractor in my area, ie. what questions should I ask. This house also has a problem with humidity. It is sealed up so tight as well so the air quality in the house gets bad during the hot summer months. Would either system help alleviate this problem?