A fireplace that's suitable for in-wall installation doesn't have to be tiny, and it doesn't need to lack any power. In fact, it can be something like this 42-Inch Tahoe Premium Clean Face Direct Vent Gas Fireplace that has all of the heating capacity, and lots of other useful features to boot. Includes Burner and Barrier Screen. Features Model # DVCP42BP70N. Intermittent Pilot with On/Off Switch Battery Backup and AC Adapter . Designed for in-wall installation, Premium Clean- Face models require just 20 inches of depth. Clean Face Traditional 42-inch. BTU 30,000. Fuel Natural Gas. Venting Specifications Tempered Glass 37 x 27. Venting 4 x 6 5/8 Top Vent Only. Accepts 6-piece Ceramic Fiber Log Set. Not Included . Required Must Choose Log Set to Complete This Unit Not Included; Order Separately Fireplace Log Set, Ceramic Fiber, 6-piece LS42FP . Overall Dimensions 43 W x 17.5 D x 40.12 H without Standoff . Shows surround and mantel not included; order separately