A. There is no need to refrigerate the sriracha sauce as you can store it in a dark and cool place. Also, most bottled sauces can go for about 6-8 months without refrigeration. Although, if you are making the homemade recipe, you should keep it under refrigeration. The products you buy contain preservatives that keep them fresh for a longer duration, but they are free of any chemicals when making them at home. So it becomes crucial that you refrigerate the homemade sauce.