Merchandiser cases come in many sizes ranging from 3 doors and up. Merchandisers come with refrigeration equipment that will have to be installed by a licensed HVAC/R technician. All Pro Coolers is not responsible for refrigeration installation. All merchandiser cases come with a 6-month warranty for parts. This final price includes merchandiser and delivery only, does not include installation (bringing them inside) into location. These units are not new they are reconditioned. If you need a merchandiser larger than (12) doors please contact us for a quote.