Direct answer: these outdoor fireplace prefab kits deliver fast, install-ready warmth for backyards, patios, and entertainment spaces. The top picks below suit DIY enthusiasts, homeowners updating a patio, and builders seeking safer, kit-based flame features. Each option is chosen for reliability, ease of installation, and suitability to propane or natural gas setups.
The following table highlights five standout kits and components, showing who they’re best for and what to expect from each. Use this as a quick reference to compare size, burner setup, and fuel compatibility before diving into a deeper product-by-product review.
| Product | Best For | Fuel | Key Benefit |
|---|---|---|---|
| Onlyfire 48×14 Fire Pit Pan Kit | Large, customizable fire pit enclosures | Propane/Natural Gas (gas hose not included) | High BTU output and a complete kit for DIY installation |
| Skyflame 18″ Log Grate with Dual Burner | Compact, log-style ambience | Natural Gas | Complete kit with burner and connection parts |
| Stanbroil 22.5″ Triple Burner Kit | Three-burner heat and visual fullness | Natural Gas (propane needs air mixer) | Pre-installed burner with hidden plumbing for a clean look |
| Stanbroil 14.5″ Dual Burner Kit | Smaller footprint, dual flame effect | Natural Gas (propane needs air mixer) | Compact design with easy integration |
| Heatilator Prefab Fireplace Door | Prefab firebox safety and aesthetics | Standard prefab 36″ models | Easy install for a ready-made, sealed look |
Onlyfire 48″ x 14″ Drop-in Fire Pit Pan Kit
Best for: DIY builders seeking a large, ready-to-connect fire pan. This kit features a built-in H-burner capable of up to 125,000 BTUs and includes ignition and gas hose components. The pan is made from durable stainless steel and designed to withstand high heat and adverse weather. Use lava rocks or fire glass for a dramatic effect. Note: the kit supports propane and natural gas, but a separate natural gas hose is required and is not included.
- Durable stainless steel construction with high heat tolerance.
- Comprehensive package including burner, ignition kit, valves, regulators, and hoses.
- Large 48″ x 14″ footprint offers ample flame display for patios.
Best for: more expansive backyard layouts where a prominent flame display is desired. Caution: gas piping must meet local codes; ensure you have a compatible hose for natural gas if needed.
Skyflame 18-Inch Log Grate With Dual Burner Pan
Best for: compact, log-style fireplaces with reliable gas hookup. This unit includes a stainless steel grate, a dual flame pan burner, a 12-inch flex line, and fittings. It’s designed for natural gas and provides a continuous flame pattern suitable for cozy evenings. A non-whistle flex line and damper clamp help ensure a clean installation and stable flame.
- Stainless steel construction for durability and heat resistance.
- Dual burner pan for a fuller flame and even heat distribution.
- Includes connection kit and damper clamp for a straightforward setup.
Best for: homeowners seeking a balanced, mid-sized fire feature with straightforward NG installation. Caution: if using propane, an air mixer is required for correct flame performance.
Stanbroil 22.5 Inch Triple Burner Pan Kit
Best for: larger gas fireplaces or fire pits that benefit from three burning zones. The kit includes a triple flame pan burner and natural gas compatibility. Pre-installed burner and hidden plumbing offer a professional finish. If you plan to use propane, an air mixer is required to achieve proper flame behavior.
- 22.5″ long, 14″ wide burner platform with triple flame rows.
- Factory-installed burner with hidden plumbing for a clean look.
- Natural gas ready; propane requires an air mixer for proper combustion.
Best for: enthusiasts who want a dramatic, multi-flame effect with a strong heat output. Caution: ensure proper gas source and ventilation in the installation area.
Stanbroil 14.5 Inch Dual Burner Kit
Best for: smaller gas fireplaces or intimate patio fires. The dual burner pan provides a balanced flame on a compact 14.5″ by 6.5″ platform. It’s designed for natural gas; propane use requires an air mixer. The burner is pre-installed with plumbing hidden below the tray for a neat finish.
- Compact footprint suitable for tight spaces.
- Dual flame rows for steady heat and flame presence.
- Natural gas ready; propane requires auxiliary air mixer.
Best for: spaces where a modest flame is adequate yet attractive. Caution: plan for adequate clearance and ventilation in small outdoors.
Heatilator Prefab Fireplace Door
Best for: retrofitting or upgrading prefab zero-clearance fireplaces with a safety and aesthetics boost. This door is designed specifically for certain Heatilator 36″ models and provides an easy, screw-driver-and-drill installation. It features a tracked bi-fold door, a matte black aluminum frame, and tempered glass with safe edges.
- Fits specific Heatilator 36″ models; inside fit only.
- Bi-fold doors open to a full 90 degrees for easy access.
- Tempered glass and a durable frame improve safety and appearance.
Best for: homeowners seeking an affordable, ready-made enclosure for a prefab fireplace. Caution: verify model compatibility before purchase.
Buying Guide: Outdoor Fireplace Prefab Kits
- Fuel compatibility: Decide between natural gas and propane. Some kits are NG-ready, but most require an additional hose or air mixer for propane to ensure safe flame performance.
- Pan and burner configuration: Choose single, dual, or triple burners based on flame density and heat output needs. Larger, multi-burner kits deliver more flame visibility but require careful venting and clearer installation space.
- Materials and durability: Stainless steel options resist corrosion and weather exposure. Consider outdoor-rated finishes for long-term durability.
- Installation footprint: Measure available space and ensure the kit fits the fire pit or fireplace opening. Some kits are drop-in pan styles; others require a connected doorway or enclosure.
- Safety features: Look for proper ignition systems, shut-off valves, and compliant gas connections. For prefab doors, ensure compatibility with existing fireplace models and correct enclosure fit.
- Maintenance and aesthetics: Plan for fill materials (lava rocks, fire glass) and easy cleaning. Aesthetics should match your outdoor space and shelter from weather exposure.
- Installation skill level: Some kits are straightforward DIY projects, while others may require professional gas fitting or structural adjustments. Check local codes before installation.
FAQ
- What should I consider before buying an outdoor fireplace prefab kit?
- Are propane and natural gas interchangeable in these kits?
- Do I need professional installation?
- Can these kits be used indoors or only outdoors?
- What materials are best for longevity in outdoor settings?
- How do I maintain a safe flame and flame aesthetics?
Consider the space, fuel type, burner configuration, and compatibility with your existing fire pit or prefab fireplace. Also check installation requirements and local codes for gas lines and venting.
Not automatically. Many kits are designed for natural gas, and propane use may require an air mixer or different hoses. Verify fuel compatibility in product specs.
For gas connections, venting, and safe operation, professional installation is often recommended, especially when working with natural gas lines or converting propane setups.
Most outdoor kits are rated for exterior use and weather exposure. Indoor use requires appropriate ventilation and compliance with building codes; check product specs and local regulations.
Stainless steel and weather-resistant finishes offer better durability against moisture, salt air, and temperature changes. Select corrosion-resistant components for extended life.
Regularly inspect connectors, burners, and igniters; keep venting clear; and choose flame media (lava rock, fire glass) that remains stable and heat resistant in outdoor conditions.