Regency Energy™ E18 Small Gas Insert


Regency’s newest B-vent insert is designed to meet the demands of homeowners who want to replace an older decorative open gas fireplace with today’s clean face design and modern efficiency. Ideal for condos, townhouses and detached homes, the Regency E18 insert installs using existing venting and requires minimal renovations; no changes to existing exterior vent termination are needed and you can keep your existing fireplace surround finishing.

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

E18 is available in select markets only.


    • Installs without removing existing surround/wall finish/tile; no major renovation required
    • No exterior vent termination changes or building envelope renovations
    • Delivers controllable heat output that is highly efficient
    • A practical and economical upgrade to heat your living space
    • Lowers energy bills and reduces drafts

    Standard Features:

    • Available in both traditional log set design or contemporary linear firebed
    • Features modern clean face design
    • Low profile faceplate with heat radiating ceramic glass provides maximum viewing area
    • Fortis Rebate approved (where applicable)
    • Heater rated
    • Includes basic wall thermostat
    • Quiet variable speed blower comes standard for increased heat distribution (required feature)
    • Operates on natural gas or propane
  • Fits the most common B-vent factory built fireplace openings (tested for most popular open gas fireplaces – Montigo 28F, Montigo EP28, Montigo 36SR, Firesong 220N – please see manual for complete list)
Specifications NG LP
Maximum BTU 21,600 20,500
Turn Down BTU 15,000 17,000
Efficiency 74.00% 75.00%
EnerGuide Rating 68.24% 69.52%
View Area 310 sq. in.
Room Size Small-Medium
Vent Type B-Vent
Installation into Existing Z/C Gas Fireplaces*
Width (front) 25″
Width (back) 16″
Height 17″
Depth 14″