The Avalon Winthrop HO (High Output) is the ultimate high-performance gas fireplace - combining dynamite flame appearance and the greatest heat output of the entire Winthrop family of fireplaces. Powered by the GreenSmart™ gas system that efficiently heats the home while saving on energy usage and lowering heating bills. The real power of the GreenSmart system is the entire collection of components, controls and technology features like: accent lights, flame adjustments, blower control and a choice of pilot ignition modes. The fabulous wood-like fire appearance, seven-piece log set, featuring the Award Winning Ember-Fyre™ burner, accent lights and 260 CFM blower are all standard on the Winthrop HO! The Winthrop HO features film-cooling technology that allows for maximum heat output and closer clearances to mantel.

The Winthrop HO is designed for year-round enjoyment. With a 73% BTU turn-down rate (46,700 to 12,500 with NG) you can turn up the heat to maximum on cold Winter days, or turn it down to low so you can enjoy the fire without all the heat. The Winthrop HO has a maximum heating capacity: Up to 2,500 Sq. Ft. and you have the option of adding two additional heat ducts to move heat to other rooms in your house (up to 20 feet away).