Commercial ice machines should be professionally cleaned every four to six months, and water filters should be replaced on the same schedule. A professional cleaning service typically includes replacing filters, removing scale buildup, sanitizing all internal components, and a full inspection. In Texas’s hard-water regions like Dallas-Fort Worth and San Antonio, more frequent cleanings may be needed due to higher mineral content. Polar recommends combining cleanings with a preventive maintenance plan to catch problems before they cause costly downtime.