How to use "vents" in a sentence

The heating system rumbled to life, and for a couple of minutes at a time, the blower whispered wordlessly as hot air pushed through the vents.

How could the temperature have dropped so far in such a short time? She listened for the sound of the air conditioner, but the telltale whisper wasn't issuing from the wall vents

On windy days, the dust was as thick as fog, and it pushed its dirty little cat feet under doors, around windows, and through attic vents.

Because it was important for the men who worked in the large room to have an unobstructed view of the smaller inner chamber at all times, four angled ceiling vents in both rooms bathed the glass in a continuous flow of warm, dry air to prevent condensation and clouding

Frowning, glancing up at the heating vents, he started to get out of his chair.