A: Several suggestions can lead to minimizing or eliminating the possibility of ice dams and icicles. First ensure that your house has proper roof ventilation and insulation. If warm air is escaping from inside your home and heating your roof, there is a very good chance that ice dams and icicles may form. Secondly, there are a variety of products, such as heating cables, designed to minimize the forming of icicles. We recommend that you educate yourself on the various heating options available and then choose a reputable electrician and contractor to install the product you select.