Monessen Solstice 33" Vent-Free Gas Insert - VFI33


The Solstice vent free gas insert quickly and easily turns an old, wasteful fireplace into a beautiful, highly efficient heat source. Coming from the leader in vent free technology, you can expect the gorgeous Solstice to provide excellent heating efficiency without the high cost of extensive renovations or construction.

Retain the look of a traditional hearth with realistic log sets or switch it up with flames rising through modern fireglass. The Solstice is what you make it, fitting into your home and family with ease.

  • No venting required makes installation fast, easy, and affordable
  • Clean design with expansive views
  • Select your style: traditional with logs, or contemporary with fireglass
  • Customizeable to blend with any décor
  • Standard blower powers up your heat output
  • Operable without power for warmth during outages
  • Available in 33" model
  • Up to 28,000 BTUs
  • NOTE: Log sets are not included and must be ordered separately.
Size: 33"
Appliance Width: 33-3/8"
Appliance Height: 23-7/8"
Appliance Depth1: 18-1/4"
Front Width Minimum Firebox Opening: 33"
Height Minimum Firebox Opening: 23-7/8"
Depth Minimum Firebox Opening: 15-1/4"
Back Width Minimum Firebox Opening: 22-3/4"
Fuel Type: Natural Gas or Liquid Propane
BTU/hr Input: 28,000 NG / 27,000 LP
Heating Capacity2: Up to 1,400 sq ft
Viewing Area: 31 x 16.5"
Efficiency3: Up to 99.9%
Ignition System: Millivolt or IPI

1 Appliance Depth includes entire unit including depth of firebox and extension onto hearth.

2 This is a general guide, see your local dealer for help in determining the product that best suits your heating needs based on climate, home efficiency, location of the heater, and air movement in the room.

3 Weighted Average LHV (Low Heating Value) efficiency.

California residents please click on the link for information on Proposition 65 BEFORE purchasing.

Supply chain disruptions have greatly impacted inventory levels in our industry, as well as in many other organizations across the globe. We want to personally acknowledge these shifts in supply levels have affected our ability to surpass your expectations in many situations for prompt delivery of your order. Should you not be able to wait for supply delays, please contact us about stock levels before ordering. As always, we thank you for your business!