When choosing an outdoor gas fireplace insert, look for vent-free operation, dual-fuel options if you want flexibility with natural gas or propane, and reliable ignition. These five models are suited for different outdoor spaces and comfort levels. The best choice depends on whether you want portable, deck-friendly warmth or a more permanent, built-in look for your patio. The quick reference below helps you compare key traits at a glance.
| Product | BTU | Fuel | Best For |
|---|---|---|---|
| Duluth Forge FDI32R | 32,000 | Natural Gas / Propane | Medium-to-large outdoor spaces; remote control fans and flexibility |
| Duluth Forge DF450SS-G | 24,000 | Natural Gas / Propane | Covered patios; reflective glass media for ambiance |
| ProCom PC32VFC | Varies by log set | Ventless gas logs (gas source) | Slim spaces and zero-clearance installs |
| ProCom PC36VFC | Varies by log set | Ventless gas logs | Greater width installations; flexible mounting |
| Duluth Forge FDF400RT-ZC | 32,000 | Natural Gas / Propane | Remote-enabled comfort; durable dual-fuel option |
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert
The FDI32R model offers ventless dual-fuel operation, allowing use with natural gas or propane. It delivers 32,000 BTU of heat with high efficiency and does not require external ducting, heating spaces up to about 1500 square feet. The included remote control with LCD screen enables convenient on/off control and flame adjustment, while the standing pilot ensures compatibility with the remote. Realistic ceramic logs and a mesh screen enhance the aesthetic appeal.
Best for: medium-to-large outdoor areas where flexibility matters and remote operation is convenient.
Caution: As a ventless unit, ensure proper room size and clearance for indoor-style use as per local codes when installed outdoors. The remote relies on line-of-sight to function optimally.
Duluth Forge Ventless Stainless Outdoor Fireplace Insert with Reflective Crystal Glass Media
This outdoor unit pairs stainless construction with reflective crystal glass media for a striking visual effect. It provides 24,000 BTU of heat and supports dual-fuel capability (natural gas or propane with a conversion kit). It ships assembled in the USA, and includes a drain tray to manage moisture. A manual on/off valve and battery-assisted ignition offer practical operation for outdoor settings.
Best for: covered patios or decks where durability and a glass-like flame ambiance are desired.
Caution: Ensure adequate ventilation and outdoor-rated clearance; some setups benefit from a protective enclosure if exposed to harsh weather.
ProCom 32in. Universal Ventless Firebox Insert
The ProCom PC32VFC offers a slim profile ideal for tight spaces with zero-clearance installation. It supports customization with a draw screen, hood, and decorative brick liner to tailor the look. Its ventilation system is designed to maximize heat flow through the large viewing area, making a cozy outdoor environment possible in constrained layouts.
Best for: small to mid-sized outdoor walls or alcoves where a compact yet expansive fire view is preferred.
Caution: Check that the chosen gas log set is compatible with the firebox to ensure proper airflow and safe operation.
ProCom 36in. Universal Ventless Firebox Insert
The PC36VFC extends ProCom’s zero-clearance design to a wider frame, suitable for larger walls or cabinet-mantel pairings. It features a unique airflow system to improve heat distribution and accepts most ventless gas log sets. Built for indoor-style reliability in outdoor installations, it’s a practical upgrade where space and design flexibility matter.
Best for: larger outdoor spaces or retrofit installs that require a broader fireplace footprint.
Caution: Ensure proper clearance and mounting to maintain ventilation and prevent heat damage to nearby materials.
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert (FDF400RT-ZC)
This model presents dual-fuel operation with a 32,000 BTU rating and a remote LCD control, mirroring the versatility of the FDI32R. It emphasizes a durable finish with six hand-painted logs and a classic flame presentation enhanced by a mesh double doors and sprayed brick liner.
Best for: users who want a remote-controlled, dual-fuel insert with a traditional log aesthetic.
Caution: As with ventless designs, verify installation space and local code compatibility for outdoor use, especially in areas with strict ventilation requirements.
Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Glass Media
This 24,000 BTU outdoor insert uses a 304 stainless steel burner and sloped H-burner design for efficient heat output. It includes manual controls for precise flame settings and emphasizes outdoor readiness with durable materials and a straightforward installation approach. The unit is assembled in the USA, highlighting domestic manufacturing emphasis.
Best for: outdoor spaces where a straightforward, durable stainless option with reliable manual control is preferred.
Caution: Confirm compatibility with existing gas lines and ensure proper weather protection for longevity in exposed environments.
Buying Guide
What should I consider before buying an outdoor gas fireplace insert?
Heat output (BTU) should match your outdoor area size. Higher BTU is better for larger spaces, but efficiency and heat retention matter in real conditions.
Fuel type flexibility matters if you want to switch between natural gas and propane. Dual-fuel inserts provide this option without changing entire systems.
Ventless design increases installation flexibility but requires appropriate space and compliance with local codes. Check venting requirements and safety guidelines for outdoor use.
Remote control or stat features improve convenience, especially for decks and patios where access may be limited by furniture or layout.
Aesthetics matter: log styles, media, and finishes affect ambiance. Stainless steel and glass media resist outdoor damage and add a modern touch.
Installation layout: measure your wall space, ensure clearance from combustibles, and plan for a stable mounting surface. Zero-clearance designs suit tight spaces.
How to compare products quickly
- For large patios: prioritize higher BTU and dual-fuel capability.
- For tight spaces: choose slim-profile or zero-clearance models.
- For ambiance: look at log styles and decorative media (glass, brick liner).
- For convenience: prefer units with remote control and piezo or battery-assisted ignition.
- For durability: select models with stainless or weather-resistant casings and USA assembly when possible.
Common questions
- Are ventless outdoor gas fireplaces safe for outdoor use? Yes, when installed according to local codes and manufacturer instructions. They do not require external venting, but proper installation and clearances are essential.
- Can I convert natural gas to propane? Some models support dual-fuel operation or conversion kits; check each product’s included features and manuals.
- Do these units require electrical power? Some include remote controls or battery-assisted ignition that rely on electricity, while others may operate with manual ignition.
- What is the typical heat reach of these inserts? BTU ratings indicate potential space heating, but outdoor conditions like wind and ambient temperature can affect efficiency.
- Are installation services required? Many outdoor inserts are designed for DIY installation with proper clearances, but professional installation is recommended for safety and adherence to local codes.
FAQ
- What is the benefit of dual-fuel operation? It provides flexibility to use either natural gas or propane depending on supply and cost considerations.
- Is a drain tray necessary? Some models include a tray to direct moisture away from the firebox, which helps prevent moisture buildup in outdoor installations.
- Can I install an insert over a cabinet or mantle? Zero-clearance and slim-profile designs are built for mounting against walls or within mantels, enabling custom looks.
- What maintenance is required? Regularly inspect gas lines, clean glass media or logs as recommended by the manufacturer, and ensure ventless units are free of obstructions.
- Can these be used in covered outdoor spaces? Yes, many are designed for covered patios; verify the installation area’s ventilation and weather protection requirements.