Place it near the start of an edit, after a door knock and before the reveal, then follow it with a dun dun dun sting once the smoke is shown.
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This is an eight-and-a-half-second sound effect filed under the German fire-service label 'B1 Rauchentwicklung LF', referring to smoke development and a fire engine. It gives an urgent, alert feeling, as if a callout has just come in and crews are about to respond, and it keeps that tension throughout.