Regency Energy U31 gas insert
Regency Energy U31 gas insert thumbnail
Update your ordinary masonry fireplace with the gentle arch of an Excalibur. Heat medium sized living areas in a wide range of styles with this fireplace insert.  Whatever style you choose, Regency quality and the exceptional fire will be a welcome addition to your home.

Backed by the industry’s most comprehensive Limited Lifetime Warranty.

Maximum BTU30,00027,500
Turn Down BTU20,60022,000
EnerGuide Rating52.90%48.07%
View Area361 sq. in.
Room SizeMedium
Vent TypeB-Vent
Min. Fireplace Opening* 
Width (front)29"
Width (back)22.5"

*Excalibur Arch Surround

How it Looks:
  • Efficient upgrade to keep the heat in your home
  • Fully functional optional double doors recreates the ambiance of a real wood fire
  • Heat radiating ceramic glass provides maximum viewing area
  • Realistic logs with beautiful flames and platinum infused bright embers
  • Arched surround provides timeless styling
How it Works:
  • Controllable heat with up to 50% flame turn down
  • Easy access waist height controls
  • Whisper quiet variable speed blower to push the heat
  • B-vent application is ideal for older homes
  • Operates on natural gas or propane