Apparently a fuel oil furnace failed and caused about $350,000 damage to a business on Southwest 67th Street in Redmond early Monday morning.  According to the news release, around four a.m., a large amount of smoke was coming from the eves of the building.  The fire had burned long enough that the ceiling had collapsed and the fire moved into the attic area.  When Redmond Fire arrived on scene, they attacked the fire on the main floor.  A hole was cut in the roof at assist removing the heat and smoke from the structure. Estimated loss is about $350,000.  The business, YDI, is a wholesale distributor of hardware products.  The owners say they are still open and doing business while the building is repaired.