A clean air duct is always desirable as it helps increase efficiency and prevent health-related issues. However, a proper and thorough cleaning of your air ducts will usually mean that you need to hire a professional ac repair Birmingham service provider. Before you contact the experts, you first need to know the right questions to ask so you can hire the best cleaning specialists. Ask for Insurance Coverage Usually, specialists that offer air conditioning service Birmingham AL don’t need a license to legally operate. This means that you are a bit exposed, and you’ll need a way to put a limit to your risk. One of the best ways to do that is by asking if the air duct cleaning company has a workers’ comp and liability insurance coverage. If you are working with a professional company, then they’d be happy to present you with a written proof. If the…