Monessen Harmony Fireplace

Total Signature Command™ System
Smart thinking — An included touch screen remote offers 3-step flame height, plus an exclusive Smart Mode® thermostat automatically maintains temperatures to help increase efficiency. Automatic battery backup assures operation even if the power goes out.

Efficient Performance
Living green — With a steady state of 88%, the Monessen Harmony fireplace insert really delivers when it comes to saving energy. Up to 31,000 BTUs of heat allow you to increase your warmth while using less fuel, so you save on heating costs.

Interior Options
Let’s talk style — The Harmony insert comes with Cottage Clay firebrick and log set or black porcelain and Stone and Fireglass kit for a contemporary twist. (Diamond and Onyx Blend standard. Fireglass kits in additional colors also available.)

Decorative Faces
Put your best face forward — Exterior options make sure your insert suits your style. Glass trim, floating and contemporary faces, and two door types are available in colors from Vintage Iron and Iron Age to Satin Black and Textured Black or Mocha. (Not all faces are available in all colors. See Accessories tab above for more information.

Monessen vent-free designer

The Monessen vent-free designer see-thru firebox gives you two fireplaces in one with an eloquent and stylish appearance from either side. When combined with the NBST vent-free multi-sided yellow flame gas log set with glowing embers, the designer see-thru fireplace is an elegant focal point in any room and you will love the comfort of its high efficient supplemental heat.


  • Multi-sided, two fireplaces in one
  • Full size 36″ hearth opening and 24″ depth with wire mesh screens
  • Designer accessories ranging from Designer firebrick to brass louvers and decorative filigree
  • Includes the NBST27 log set (remote ready)
  • Remote Control operation available
  • Heats up to 1300 sq. ft.
  • Limited Lifetime Warranty
  • AGA/CSA design certified
  • 100% factory tested
  • Available in Natural or Propane Gas