https://www.wholehousefan.com/....blogs/wholehousefans

DIY Garage Ventilation: How to Size, Place, and Install Fans

Your garage can feel like an oven, smell like a paint booth, and share air with your house. Heat‑soaked vehicles, idling engines, solvents, sawdust, and humidity create a mix that’s uncomfortable—and unsafe. In attached garages, fumes can drift indoors; in detached spaces, stale air drives rust, mold, and musty odors.