Traditional Culture Encyclopedia - Hotel reservation - Difference between internal and external circulation of hotel exhaust fan
Difference between internal and external circulation of hotel exhaust fan
The difference between external circulation and internal circulation is as follows:
1, internal circulation is to make indoor gas circulate in a closed way.
2. External circulation is to transfer gas circulation from outdoor to indoor.
3. The air inlet of internal circulation is indoors, and the outside air cannot enter.
4. The air inlet of external circulation sucks the outdoor air away.
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