Smeg LSPU8643X Reviews & Ratings by Customers and Consumer Reports

Designed for homeowners who want a built-in dishwasher that looks as considered as the rest of a modern kitchen, the Smeg LSPU8643X 24-inch dishwasher targets buyers who value clean integration, dependable day-to-day performance, and a refined stainless aesthetic. As an appliance specialist, I view this model as a strong fit for design-led kitchens where quiet, consistent cleaning matters more than flashy “gadget” features. In real-world use, a 24-inch platform like the Smeg LSPU8643X is typically chosen because it balances capacity and footprint well for most households. It should comfortably handle a full day’s worth of dishes for a small family, while still being practical for couples who run fewer, fuller loads. The stainless exterior and built-in format also make it a natural match for contemporary cabinetry and mixed-metal appliance suites—an important consideration in higher-end renovations, including many projects I see across Canada where integrated kitchen design is a priority. Where this dishwasher category tends to succeed is in the fundamentals: stable wash temperatures, effective filtration, and predictable rack ergonomics. Expect the best results when loads are arranged with clear spray-arm access and when heavier soils are placed facing the spray zones. Controls on models in this class are generally straightforward, and once a household settles on one or two go-to cycles, operation becomes largely “set and forget.” For many buyers, that simplicity is a benefit: fewer complicated settings, fewer opportunities for user error, and more consistent outcomes. Noise performance is another practical advantage of a well-built 24-inch built-in dishwasher. In open-concept homes, a quieter machine matters because it can run after dinner without dominating the living space. Likewise, energy and water efficiency in this segment is typically strong, especially when using eco-oriented cycles for lightly soiled loads. Limitations are worth noting. A design-forward dishwasher may not suit buyers who prioritize maximum interior flexibility (such as highly adjustable racks or specialty holders) over a clean, minimal look. Also, like most stainless-finish appliances, the exterior may show fingerprints more readily than matte alternatives, so it can require more frequent wipe-downs to stay pristine. Verdict: the Smeg LSPU8643X is best for shoppers who want a polished, built-in 24-inch dishwasher with solid everyday usability and a premium visual presence. Those who need highly specialized loading features or the most forgiving exterior finish may want to consider other configurations.