Kozy Heat Nordik 60 TL

It's rated to warm about 1,300–2,550 sq ft. It runs at up to 51,000 BTU/h on either fuel and turns down to 34,000 BTU/h on natural gas or 40,000 on propane. The brochure lists its efficiency as 71.94% AFUE (73.37% steady state) on natural gas and 74.63% AFUE (75.75% steady state) on propane.

TL stands for Tall Linear. The viewing area is 60 inches wide and 20 inches tall, and the unit itself is 69-1/2 inches wide, 46-1/8 inches tall, and 19-1/2 inches deep. The burner system is Kozy Heat's EVO elevated design with left, center, right, and bottom burners under a traditional or birch log set.

It's a direct-vent fireplace built for 5 x 8-inch co-axial pipe, venting straight up (3 to 50 feet) or out a wall: With 12 inches of vertical pipe the horizontal run can be up to 24 inches, and the longest setup is 25 feet up plus 25 feet across. It can be reduced to 4 x 6-5/8-inch pipe, but only for vertical terminations. The optional Kozy Power Vent (#KPV) is approved for horizontal terminations, and the fireplace can also vent up an existing Class A or masonry chimney with a 4-inch flexible liner.

Yes, as long as the backup batteries are fresh. The control module holds four AA batteries (not included) that keep the burner and flame-height adjustment working when the power goes out, but the lights and the optional fan won't run on battery. For everyday use, the fireplace needs a 120-volt, 6-amp supply that stays live at all times with no switch on it.

No, the fan kit is optional on the 60 TL, unlike the traditional Nordik fireplaces. To move heat, you can add the Komfort Zone Kit #KZK-062, which sends heat out a front plenum, and up to two Heat Transfer Kits that carry heat to another room (HTK-INT) or directly outside (HTK-EXT). The remote handles the flame, thermostat, lights, and fan speed when a fan is installed.

Yes, but it's built for natural gas, so propane takes a conversion kit plus a valve stepper motor that's sold separately. The manual notes the conversion is easier to do before the fireplace goes into the framed opening. On propane the input runs from 51,000 BTU/h down to 40,000 BTU/h.

The safety screen front, top light, and ember-bed light come with the fireplace, and the only required choice is the log set, traditional or birch. Firebox panels, the one-piece black rectangle surround, the fan kit, and the Komfort Zone Kit are all optional. The rectangle surround covers the edge of finishing material up to 1-5/8 inches thick.

In a standard install, a 6-inch-deep combustible mantel can start 12 inches above the top finishing edge, and an 8-inch non-combustible mantel can start right at that edge. For a TV, the manual strongly recommends the Komfort Zone Kit, which sends heat out a plenum above the TV and lets a 6-inch mantel sit at the finishing edge. The enclosure must be at least 80 inches tall either way, a TV recess up to 4-1/4 inches deep is allowed, and the final TV placement rests with the homeowner.

Yes, where local codes allow it. The manual approves it for an aftermarket, permanently located manufactured home (USA only) or mobile home, and it doesn't call for a separate mobile-home kit. The standard floor rule still applies: It sits on wood or a non-combustible surface, or on a metal or wood panel the full width and depth of the unit if the floor is carpet or tile.