Chimney cap installation in Elmhurst typically ranges from $200 to $850 total, depending on the size, material, and complexity of your chimney. The cap itself can cost anywhere from $50 to $500, with materials like galvanized steel on the lower end and copper caps commanding premium prices. The final cost depends on several factors: the size of your chimney opening, whether you have multiple flues, the material you choose, and the condition of your existing chimney crown. We provide free estimates so you know exactly what you’re looking at before any work begins. Most homeowners find that the investment pays for itself quickly by preventing costly water damage repairs.