Replace your window AC with Trunk's biomimetic elephant-ear surfaces. Energy-free cooling with acoustic sound privacy. The future of urban living.
You install Trunk on your hot city window, press a button, and watch the elegant elephant-ear surfaces inflate like balloon sculptures. Immediately: the street noise vanishes, replaced by a gentle natural breeze amplified through acoustic horns, while your room drops 8°F without electricity—you feel transported to a peaceful sanctuary.
PASSIVE COOLING using biomimetic design inspired by elephant ears. No electricity required.
GRAMOPHONE-HORN acoustic channels naturally amplify white noise while redirecting airflow.
DURABLE MATERIALS designed for years of silent, maintenance-free operation in urban environments.