John,
If it is a small repair, you may want to test out a product at Lowes. Homax ceiling texture. I'd suggest trying it on a scrap piece of drywall (make sure it's at ceiling height for testing). ... read more
Generally, you would call an electrician to replace the exhaust fans. In our area, there are a few service companies that provide electrical services as well as HVAC and plumbing. That way if issues ... read more