Detroit's Cobo Center through the years Cobo Conference and Exhibition Center has dominated the heart of downtown Detroit since it opened in 1960. It was built by the city of Detroit and named in honor of former Detroit Mayor Albert Cobo (1950-1957). It is shown here May 20, 1962. The Detroit News archives
Remediation costs vary depending on how much and where mold exists. Figure on: 1  $500 to $4,000 to remove mold from crawlspaces only.  $2,000 to $6,000 to remove mold from ducts, crawl spaces, walls, and attics.
The Average Cost of an Attic Fan Repair. Homeowners report paying an average of $232 to repair an attic fan. The majority of homeowners spent between $199 and $265 to have their attic fans fixed.At the low end, homeowners spent $100 for an attic fan repair while $380 was the maximum price reported for having an attic fan fixed by a handyman.If there is a problem in the home's wiring contributing to the malfunctioning attic fan, hiring a licensed electrician will add to the cost of the repair.t the low end, homeowners spent $100 for an attic fan repair while $380 was the maximum price reported for having an attic fan fixed by a handyman. If there is a problem in the home's wiring contributing to the malfunctioning attic fan, hiring a licensed electrician will add to the cost of the repair.