Up to 18K BTU’s, Tempered Glass: 20″ x 27 1/2″, Venting: 4″ x 6 5/8″, Framing: 39″ H x 35 1/4″ W x 18″ D, includes log set and barrier, variable-speed blower available as an accessory, flue pipe sold separately and does vary per house (HomeFires team will be in touch regarding specifics for each project)