Flame visualization shown for illustration purposes. Actual flame appearance may vary.
Monessen VFI33LNV
Best for: Easy install, no venting
28,000 BTU · 99.9% · Vent-Free Fireplace Insert
Distributor-direct pricing — 15% below retail
FREE shipping — ships in 3-5 days
Over $1,500
Warranty
Checkout
High-efficiency 33-inch vent-free gas fireplace insert that transforms any existing fireplace into a powerful heat source. The Monessen Solstice delivers 28,000 BTU at 99.9% efficiency — heating up to 1,400 sq ft with no venting required.
BTU Output
28,000
Efficiency
99.9%
Dimensions
33.5"W × 24.5"H × 16"D
Weight
95 lbs
Voltage
Millivolt (no electricity required)
Warranty
Limited manufacturer warranty
Features & Specifications
28,000 BTU heat output
99.9% efficiency — virtually no heat loss
Natural gas fuel type
Vent-free — no chimney or venting required
Millivolt ignition — operates without electricity
Heats up to 1,400 sq ft
135 CFM blower included
Reversible interior panels for custom look
Frequently Bought Together
Most Customers Add
Adds comfort and convenience
Monessen Variable Thermostat Blower – 160 CFM
Monessen Variable Thermostat Blower – 135 CFM
WMH Single Speed Blower
Skytech On/Off Remote with Receiver
Skytech On/Off Remote with LCD & Timer
Skytech 110V On/Off Remote with Receiver
Skytech Thermostat Remote with 110V Receiver
Empire Battery Operated On/Off Remote
Empire Thermostat Remote Control
Upgrade Your System
Enhance appearance and performance
Crystal Clear Decorative Media
Smoke Black Decorative Media
Black Sand Perimeter Kit
Vermiculite Perimeter Kit
Monessen 42" Contemporary Front
Monessen 42" Trim Kit
Monessen 36" Attribute Mesh Screen Doors
Superior 32" Arched Screen Door – Textured Iron
Common Questions
Everything you need to know before ordering
More from Monessen
Ready for Reliable Service?
Whether you need a repair, installation, or system upgrade — our certified team is ready. Call us today or request a free estimate online.
Monessen VFI33LNV
$1,699FREE shipping