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Sub-Zero built-in refrigerators uses a unique air-purification system.

Sub-Zero built-in fridge

Designed with an enhanced food preservation system, Sub-Zero appliances utilize dual refrigeration – an innovation that uses separate compressors to maintain optimum conditions in the refrigerator and freezer.

Dual refrigeration supplies chilly, humid air to keep food fresh, but also frigid, dry air to protect frozen foods from freezer burn. It also allows superior temperature control of +/- 1 degree Celsius.

Sub-Zero built-in refrigerators boast the only air-purification system developed for NASA. This air-purification system significantly reduces odours, bacteria, viruses and ethylene gas by scrubbing the air every 20 minutes, meaning food lasts longer.

Sub-Zero offers infinite design options with the choice of built-in, fully integrated, standalone and undercounter models available. There’s also the choice of multiple configurations and storage capacity.