For those of you with packaged gas furnace and a/c units with the brand name of Airquest, Arcoaire, Comfortmaker, Heil, Keeprite, Kenmore, ICP Commercial, or Tempstar , you will want to check out this link and click on Product Recall information to see if you have one of the affected units. They are having issues with the control board igniting and igniting certain flammable material within the unit.