Discover top-performing outdoor gas fireplace inserts that deliver heat, ambiance, and easy control. The following selections emphasize ventless and vented designs, dual-fuel options, remote operation, and durable construction to suit American patios, decks, and outdoor living spaces. Each choice is evaluated for heat output, installation flexibility, and realism of flame effects to help you choose the best fit for your space.
| Product | Brand | BTU / Heats Up To | Fuel Type | Notes |
|---|---|---|---|---|
| Duluth Forge Dual Fuel Ventless Gas Fireplace Insert (32000 BTU) | Duluth Forge | 32000 BTU; up to 1500 sq. ft. | Natural Gas or LP | Remote, 9 logs, ventless |
| Comfort Glow Vent Free Gas Fireplace Log Insert | Comfort Glow | Not specified (sufficient for 1,250 sq ft) | Natural Gas or LP | 6 logs; dual fuel; adjustable thermostat |
| Duluth Forge 24,000 BTU Vent Free Stainless Outdoor Insert | Duluth Forge | 24,000 BTU | Natural Gas | Stainless steel, USA-assembled |
| Duluth Forge Ventless Stainless Outdoor Insert with Crystal Glass | Duluth Forge | 24,000 BTU | Natural Gas or LP (conversion kit included) | Crystal glass media; manual control |
| Duluth Forge Dual Fuel Ventless Fireplace Insert (32000 BTU, 6 Logs) | Duluth Forge | 32000 BTU; up to 1500 sq. ft. | Natural Gas or LP | Remote, 6 logs, ventless |
The following sections highlight five selected products, with objective details to help you compare features, fuel flexibility, ignition options, and installation considerations.
Duluth Forge Dual Fuel Ventless Fireplace Insert
This ventless dual-fuel insert offers 32,000 BTU and compatibility with natural gas or liquid propane. It heats up to about 1500 square feet and is designed for flexible installation without an external chimney. A remote control with an LCD screen provides convenient fire on/off control and flame adjustment. The unit includes a standing pilot and a manual flame control for fine-tuning the flame appearance. Realistic 9 ceramic logs provide enduring visual appeal, complemented by a mesh screen.
Comfort Glow Vent Free Gas Fireplace Log Insert
This 24″ dual-fuel log set uses six pieces of black forest logs to imitate a wood fire. It supports natural gas and propane and features vent-free operation with an electronic ignition and an adjustable thermostat for precise heat control. The set is designed to deliver a realistic flame and the warmth typical of a wood-burning fire, while offering easier maintenance and fuel efficiency.
Duluth Forge 24,000 BTU Vent Free Stainless Outdoor Insert
This outdoor insert is built in the USA with a 24,000 BTU natural gas heater and a 304 stainless steel sloped burner for efficient heat output. It uses a manual control for heat settings, allowing users to adjust warmth to match outdoor lounging needs. The stainless steel construction emphasizes longevity in outdoor environments where weather exposure is a consideration.
Duluth Forge Ventless Stainless Outdoor Insert With Glass Media
This ventless unit features 24,000 BTU capacity and includes reflective crystal glass media to enhance flame aesthetics. It operates with natural gas and can be converted to propane with a provided kit. A manual on/off valve and a battery-assisted igniter support dependable ignition, while a drain tray helps manage moisture that collects beneath the firebox. The design emphasizes easy maintenance and a polished visual presentation for outdoor spaces.
Duluth Forge Dual Fuel Ventless Fireplace Insert (6 Logs)
This 32,000 BTU dual-fuel insert heats up to 1500 sq. ft. and includes six hand-painted logs for a natural look. The remote with LCD screen controls the burner when using natural gas or propane, and a standing pilot supports ignition convenience. The unit prioritizes a visually appealing flame display with a compact ventless design suitable for various outdoor layouts.
Buying Guide
- Ventless vs vented: Ventless models heat quickly and are easier to install but require proper room ventilation and within code guidelines for safe operation. Ventless units are typically best for covered or semi-enclosed outdoor spaces.
- Fuel flexibility: Dual-fuel inserts offer natural gas or propane capability, increasing compatibility with existing fuel sources and allowing for fuel switching if gas lines or propane tanks change.
- Heat output: BTU ratings indicate potential warmth; larger spaces (up to ~1500 sq. ft.) benefit from higher BTU units (20,000–32,000 BTU) while smaller patios may do well with lower BTU options.
- Remote access and controls: Remotes with LCD displays simplify operation, especially for outdoor setups where reaching the unit is inconvenient.
- Installation and durability: Stainless steel construction and weatherproof features help extend life in outdoor environments. Consider whether the unit is meant for an indoor-outdoor transition or fully outdoor weather exposure.
- Visual realism: Log styling, brick liners, and glass media affect the flame aesthetics. Realistic logs and reflective media can enhance ambiance and perceived warmth.
- Maintenance: Look for drain trays, easy-clean glass, and accessible ignition systems to reduce maintenance effort after outdoor use.
- Safety: Ensure proper clearance from flammable materials, stable installation, and adherence to local codes. For ventless models, verify proper venting guidelines and room airflow requirements if installed near living spaces.