The answers to this question so far are inferring that Sub-Zero refrigerators are for commercial use. This is not only false, but in many jurisdictions would be against sanitation codes. Sub-Zero fridges, freezers and wine chillers are, and have been for over fifty years, designed for domestic use. They make a couple of models that have a distinct commercial look, but the external look is the only "commercial " thing about them - internally, they're most definitely for household use.
As for recommending them: I most certainly would, and do. I've owned a few Sub-Zeros, During all this time, I called the refrigerator repairman exactly once about the noisy freezer fan. If price is no object (this brand is not cheap) and you want a machine that says Class, Sub-Zero's your logical choice.

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