Fortunately, cluster flies do not cause structural damage, and they certainly don't bite. However, no homeowner wants to deal with a cluster fly infestation. In most situations, cluster flies hibernate in parts of a home or building that cannot be reached, which makes them particularly hard to control. It's likely that cluster flies will try to hide under insulation or inside of walls, and until they make an appearance, they're pretty resistant to treatments.
Columbus residents and those in the nearby, surrounding areas are in good hands with Truly Nolen whose seasonal approach to pest control is the best way to treat common household pest problems in Columbus, OH.