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 square meter cooling area for .8hp aircondition?how much aircon horsepower for my 12 square meter room??How much aircon horsepower per sq meter in room??how many HP aircon for a 16.4 sq m room??what aircon horse power to 16 sq. meter room?how many horse power for a 38sq mtr room?how much horsepower aircon should i have in my room?how to buy aircon what horsepower?how many horse power of an aircondition to be placed in a meduim bed room??how to know the horse power of aircon?how manu hp in 30 sqm room aircon?how much horsepower is good for a room aircon?how much hp for aircon neeed for 30sqm rm?