The average cost to install a gas fireplace insert in Montgomery, IL can vary depending on the existing fireplace setup, insert model, venting needs, and site conditions. Basic installs may start around $3,000–$4,000, while more advanced units or challenging installations may reach $5,000–$7,000 or more. Our pricing always includes a site inspection, product selection guidance, and a transparent quote before any work begins. Every project is unique, so we recommend an on-site estimate to determine your specific project needs and costs.
