The revolutionary Worcester Greenstar CDi Compact is part of our top-of-the-range CDi boiler series & is part of our next generation of wall-mounted combi boilers. Suitable for small medium & large sized properties with one or two bathrooms the Greenstar CDi Compact with hot water outputs of up to 36k W is best suited to properties that demand high outputs from an appliance that can fit within a standard kitchen cupboard.