I'd say the biggest market now or at least 10 years later will be China. They don't use them just for cooling but also for heating because the southern half of

I'd say the biggest market now or at least 10 years later will be China. They don't use them just for cooling but also for heating because the southern half of China has no public heating system. But that's just my instinct. Might be completely off and people in Brazil might actually use them much more.