how to make plumbing air dam

Did you know that plumbing air dams can help keep your home comfy and dry? These neat little things stop air from moving around too much in your ducts. It’s a bit like closing a door to keep out the cold wind! If you’ve ever felt chilly drafts in your house, then you know how important it is to manage air flow. Long ago, folks didn’t think much about air flow in their homes. … [Read more...] about how to make plumbing air dam