<p>A refrigerated merchandiser (10) includes a display case defining a product display space (30) and having at least one shelf (18) disposed within the product display space. The shelf has a top side for supporting refrigerated items thereon and an under side. A heat transfer device (74, 80) is disposed in heat exchange relationship against the underside of the shelf to transfer heat from product on the front portion (18F) of the shelf to product on the rearward portion (18F) of the shelf thereby further cooling the product disposed on the front portion of the shelf.</p>