Regency Energy E21 gas insert
Regency Energy E21 gas insert thumbnail
This compact Energy Gas Insert is perfect for heating smaller living areas.  Regency quality is evident in every detail - from high efficiency heat to custom styling. The E21 features the dancing flames of an exceptional Regency fire.

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

SpecificationsNGLP
Maximum BTU23,50022,500
Turn Down BTU11,75011,250
Efficiency77.00%77.00%
EnerGuide Rating50.60%53.48%
View Area318 sq. in.
Room SizeSmall
Vent TypeB-Vent
Min. Fireplace Opening* 
Width (front)26.5"
Width (back)18"
Height17.75"
Depth14"

*Regency Contour Faceplate or Full Screen Door

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

To download manuals, right-click on a link and choose "Save...". All manuals are in PDF format and require you to have a PDF reader installed on your computer in order to view them. You can download the Adobe Reader for free from Adobe.com.

For electronic ignition products and French manuals please see our Manuals page.

 Brochure

 Product Specification

 Owner & Installation Manual