Osburn 3500 Wood Insert. Get free consultation from our team of certified fireplace experts! Bring beauty & comfort into your home with an osburn fireplace insert!
Ad fireplaces, electric fireplaces, fireplace inserts and much more. It produces up to 110,000 btus with a heating area up to 2,700 square ft. The 3.5 cubic ft firebox is capable of handling up to a 22 log with a maximum burn time of up to 10 hours.