1 sqmeter = 10.7 6 sqfeet
Aircond
12sqm x 10.76 (luas) = 130sqf x 65 BTU/hr/sqf
=8450 BTU/hr
~ 9000 BTU/hr
* 9000BTU = 1 hp = 300CFM = 0.746kW
Exhaust Fan
6.8sqm x 10.76 (luas) = 73.2sqf x 10'(H) x [10/50](air change)
=150CFM
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