This Whynter BWR-33SD is part of the wine chiller test program at Consumer Reports. In our lab tests, wine chiller models like the BWR-33SD are rated on multiple criteria, such as those listed below. Temperature perfromance: Temperature performance includes uniformity, stability, reserve capacity, and range of available temperatures. Energy efficiency: Energy efficiency reflects energy use based on average energy costs. Noise: A noisy wine chiller can be a concern if it will be placed near living areas.