Liebherr Plus built-in refrigerators are an intermediate range designed for those who need enhanced comfort and storage options without overpaying for premium finishing materials. They offer a middle ground between basic solutions and flagship appliances. The range includes popular formats for kitchen niches: from compact under-counter units and classic single-compartment refrigerators to full-size two-compartment combinations of various heights and spacious multi-compartment systems.

The main functional difference between this series and basic models is the inclusion of more advanced freshness and freezing technologies. In the refrigerator compartments, in addition to the standard EasyFresh zone, some versions feature a BioFresh compartment for long-term storage of perishable foods at temperatures around 0 °C. Freezer compartments are equipped with the drip-free NoFrost system or practical SmartFrost technology, while two-compartment appliances use two independent DuoCooling cooling circuits. This series also often includes versions with a built-in EasyTwist ice maker.

The variety of the range is clearly divided by formats and dimensions. Compact under-counter models offer a usable capacity of around 100–140 L, while medium-sized single-compartment versions up to 140 cm high hold approximately 170–210 L. Full-size two-compartment combinations of standard height (177–194 cm) provide up to 300 L of usable space. For maximum needs, multi-compartment and combined systems with several independent compartments are available, with a total capacity exceeding 500 L.