P&D Mechanical recently installed their largest snow melt system to date. St. Mark’s Episcopal Cathedral in Minneapolis, MN are ensuring their guests will always arrive to a snow and ice free parking lot with their new 5,500 sq. ft. Infloor Heating Systems Snow & Ice Melt system, covering the entire lot. P&D Mechanical, also of Minneapolis, installed the system the week of July 14, and received the parts from Walters-Climate, out of New Hope, MN.