Here's how absorption cooling works: The silent refrigerator is absorption cooled through an internal process that mixes together helium and ammonia gases. The mixture cools the air around the sealed unit where the interaction is taking place, thus cooling the air inside the unit.

Originally developed for hotels, Equator Appliances compact silent refrigerators are perfect for use as a secondary refrigerator in your den, master bedroom, office, RV, dorm room -- anywhere you want the convenience of a refrigerator but not the usual noise that goes with it. 2 cubic feet of usable space -- that's enough to hold 25 soft drink cans.