I made homemade Febreze and Air Fresheners with the same formulas, except I put a teaspoon of Baking Soda in both to help neutralise smells and it really does work!
And to stick with thread subject,you could pin some dryer sheets at the front side of a blowing fan or attach a couple of them on your air conditioner's filters.So, you can turn your dryer sheets to air-freshner. Check out some more alternative uses of dryer sheets