PEOPLE in which places need AIR CONDITIONER

As we all know, most air conditioners have heating and cooling function, so i think people all over the world would need air conditioner.
@*hDIn$C ;I:s`t"NL.jt
Am I wrong?

I think you are right .  You should be  proud  of  introducing the value productions to  people .

today the price of  electricityy power have rised 0.025 rmb/kilowatt-hour.