Region

Representative city or province

Climate characteristics

Recommended type of central air-conditioning system

Southeastern Region

Shanghai, Chongqing,
Zhejiang, Guangdong,
Guangxi, Hunan,
Jiangxi, Fujian ,Hong Kong, Taiwan

Summer: Hot and humid outdoor air with high average temperature and humidity,
long air-conditioning period;
Winter: short heating period or no heating.

Solution I Recommended by ATHIC
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Northwestern Region

Xinjiang, Tibet, Qinghai, Inner Mongolia, Gansu, Ningxia, western Sichuan

Summer: outdoor air temperature is high while the humidity is relatively low;
Winter: heating is availabel in most areas.

Solution II Recommended by ATHIC
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Middle Region

Beijing, Tianjin, Hebei,
Henan, Shandong, Shanxi, Anhui,Jiangsu, Shanxi, Hubei, Eestern Sichuan

Summer: higher outdoor air temperature and humidity;
Winter: low outdoor air temperature, the annual air-conditioning period is basically equivalent to the cooling period.

Solution III Recommended by ATHIC
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Northwestern Region

Heilongjiang, Jilin, Liaoning

Summer: high outdoor air temperature, average humidity is low, air-conditioning period is relatively short;
Winter: the heating period is relatively long.

Solution IV Recommended by ATHIC
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