What air con horsepower do i need to cool my 15 sq.m. room??how many square meter cooling area for .8hp aircondition?how many HP aircon for a 16.4 sq m room??what aircon horse power to 16 sq. meter room?how much aircon horse power for 7.30 sq m room?how many horsepower need to cool 9x9 feet room?how much horsepower aircon should i have in my room?how to buy aircon what horsepower?how many aircon hp for 45 square meter room?how many horsepower to cool 19.32 sqm?how many hp aircon for 15 square meter?what size of aircon do i need for 15 sqm room??how much horse power per square meter area?how many HP aircon i need for 14 sqm?is .5 hp aircon enough for 29 sqm room?