Shop Early for Best Selection – On Sale during September with 50% off MSRP on all in stock Vent Free Superior Gas Logs as we celebrate our 50th anniversary. Some sizes are limited. Superior offers the Double Flame Series unique, clean-burning design provides 99% heating efficiency, which allows you to operate the logs vent-free with the fireplace damper closed. With no venting required, there is no heat loss up the chimney. Heating vent-free gas logs means you’ll never again be left in the cold with wet logs or without heat during a power outage. We offer installation and service for all the products we sell, within our local service area. Please measure your fireplace opening width- height- depth and the width of back wall if your fireplace tapers. For additional information on any of our Superior Vent Free Gas Logs, please visit our showroom or give us a call at 615-255-4551.