The answer to 'steam cleaner mildew' is that using a steam cleaner can be an effective way to remove mildew from surfaces in your home. Mildew is a type of fungus that thrives in damp, humid environments and can grow on a variety of surfaces, including grout, caulk, and fabrics. The high heat and moisture from a steam cleaner can help kill the mildew and lift it from the surface.
However, it's important to address the underlying cause of the mildew, such as poor ventilation or high humidity, in order to prevent it from returning. If the mildew problem is widespread or difficult to remove, it's best to call in a professional cleaning service to ensure the issue is properly addressed.