This Haier WC200GS is part of the wine chiller test program at Consumer Reports. In our lab tests, wine chiller models like the WC200GS 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.