The mini-split air conditioner is a combined heating and cooling ... which might look out of place in a formal dining room or may limit the positioning of furniture and decor in the room.

But two non-pros handled this ductless air conditioner installation ... To select the right size mini-split, calculate the heat loss of the room. Several websites simplify these calculations.

Researchers from Ulster University in the United Kingdom have developed a mini-split air conditioning bed unit ... the research group explained. Room layout showing system layout, and 3D view ...