what is the horsepower needed to cool a 15 sq.m room?what aircon should i buy for room 15sqm?What air con horsepower do i need to cool my 15 sq.m. room??how many horse power aircon will i need for a 10 sqm room?how many horsepower for a 40 sqm room?how many square meter cooling area for .8hp aircondition?how much aircon horsepower is needed per square meter??how much aircon horsepower for my 12 square meter room??How much aircon horsepower per sq meter in room??how many horsepower airconditioner for a 29.5 square meter room?how to know the horse power of aircon?HOW MUCH HP IS NEEDED FOR AIRCON FOR 7.5 SQ. M?how to know horsepower of aircon needed in my room?how manu hp in 30 sqm room aircon?how much horsepower is good for a room aircon?