I dont have a garage. I use this as the shelter for my Audi. It gets hot and dusty here and dew forms at night. I wanted something to protect my vehicle so I didn't have to wash it 2-3 times a week because of the constant morning dew and usual dust in the air. I have just started using it and it seems to be working. It was a little getting used to. There is a certain way it likes to go on and off.