Air conditioning units do more than help keep two-thirds of all U.S. homes cool during the summer months. They keep the humidity out, too. The moisture in the air during those hot summer days collects in your air conditioner’s condensate drip pan. From there, the moisture flows into the AC’s drain tube. The tube leads outside your home to keep the moisture from causing water damage. But sometimes your air conditioner’s drain tube can suffer from a clog. And left unrepaired, this clog can lead to water damage around your home. Why do clogs form in AC drain tubes? It…