Installing a ventilation fan inside the car can be used to control temperature and air circulation, helping to maintain the interior at the normal outdoor temperature.
(Note: The ventilation fan is not a device for producing cold air to lower the temperature; do not exceed realistic physical expectations.)

00:00 Title
00:13 Why Install Ventilation Fan?
02:01 Designs
03:17 Production
04:19 Outcome Assessment
05:15 Conclusion

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