Regency Horizon® HRI3E Small Gas Insert

The Horizon Radiant Series is the latest addition to Regency’s 35 year tradition of building beautifully designed, reliable, high efficiency direct vent heaters backed by the industry’s best warranty.

Designer Options

Regency designers have created tasteful faceplates and accents for optimum customization. Because Regency’s name is synonymous with quality and style, every Horizon® includes a heat circulating blower and Proflame remote control.

Radiant Heat + Convective Heat + Circulating Blower

This high efficiency heater combines intense radiant heat to instantly warm the area in front of your fireplace, adds natural convection and pushes all that heat to the far corners of your room with a standard heat circulating blower.

No power, no problem!

This designer insert will operate safely and reliably, even during power outages.

Standard Features

  • Natural gas
  • Safety screen
  • High definition log set
  • Ceramic burner with glowing ember bed
  • Electronic ignition with SureFire® switch
  • Proflame remote control
  • Variable speed blower for max heat distribution
  • Direct vent technology protects your in-home air quality



  • Faceplates in Low Profile or Vignette design
  • Vignette inlays in various designs & colors
  • Regular or oversized backing plates
  • Interior panels in Reflective Black Enamel, Old Town Red, Rustic Brown or Volcanic Black
  • Mantel deflector for reduced clearances
  • Hearth trim kits for raised hearth installations
  • Regency flex venting
  • Propane conversion kit

Additional information





EnerGuide Rating

64.36% (Natural Gas)
66.24% (Propane)

Minimum Fireplace Opening

Min. Fireplace Opening*
Width (front) 28 1/2 in.
Width (back) 21 5/8 in.
Height 19 1/2 in.
Depth 14 1/2 in.

Product Video