Wine coolers are a luxury appliance that allow you to store and age wine to improve its taste and quality. Even a slight malfunction of your wine cooler can ruin the aging process and create a sour, unpalatable wine. Have your wine cooler examined once a year and if it needs repairs then have Sub-Zero wine cooler repair take care of it. The longer that your wine is in an environment that is detrimental to its aging process the worse it will be for it.