B means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. B Hoover LINK HLTPS147TAMCE-11, Top-load, 15.4 lbs (7 kg), B, 79 dB, 1400 RPM, B Hoover LINK HLTPS147TAMCE-11. Loading type: Top-load. Drum capacity: 15.4 lbs (7 kg), Spin-drying class: B, Noise level (spin): 79 dB, Maximum spin speed: 1400 RPM. Product color: White. Width: 16.1" (410 mm), Depth: 23.6" (600 mm), Height: 33.9" (860 mm). Energy efficiency class: B