Decommissioning Ventilation Systems

Disconnect power supply and terminate it in a visible junction box per applicable code

Remove all ventilation components (i.e., fans, ducts, terminations) from dwelling

Seal and insulate all openings and voids left by the removal of the ventilation system including exterior terminations

Permanently remove equipment from job site and recycle or dispose of removed equipment and refrigerant in accordance with local and federal law (e.g., EPA Section 608 of Clean Air Act of 1990)

Permanently decommission old equipment