Looking for a double sided gas fireplace insert that can heat a space efficiently while adding a focal point to living rooms or dens? This guide highlights five solid options that deliver dual-fuel flexibility, ventless operation, remote control convenience, and a realistic flame appearance. It’s ideal for buyers who want easy installation, versatile fuel choices, and a visually appealing centerpiece. The top picks below are suited for small-to-medium living areas, open-concept spaces, or zones that benefit from warm, ambient heat without complex venting. A quick buyer’s table follows to compare key features at a glance.
| Product | BTU | Fuel | Best For |
|---|---|---|---|
| Duluth Forge FDI32R | 32,000 | Natural Gas or Propane | Medium-to-large spaces needing strong heat with remote control |
| Duluth Forge FDF400RT-ZC | 32,000 | Natural Gas or Propane | Same power, updated styling for modern rooms |
| Duluth Forge 26,000 BTU Ventless | 26,000 | Natural Gas or Propane | Cozy spaces up to 1,350 sq ft with easy operation |
| Comfort Glow 24″ Highland Ember Logs | Dual Fuel compatible; fireplace set | Natural Gas or Propane | Flame ambiance with remote control and thermostat features |
| Skyflame Dual Burner Pan Set | Not a built-in insert | Natural Gas or Propane | Replacement burner pan options for custom installs |
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert – 32,000 BTU, Remote Control – Model# FDI32R
This ventless dual fuel insert offers 32,000 BTU and supports either natural gas or propane, making it a versatile choice for changing fuel availability. It includes a remote with an LCD display and a standing pilot that allows remote flame control. The logs are nine hand-painted ceramic fiber pieces designed to resemble real wood, delivering a lifelike flame presentation. Best for: mid-to-large rooms where remote management and a realistic log set are priorities. Limitation: ventless operation depends on room ventilation and local code compliance.
Why this choice stands out
- Dual fuel capability provides flexibility if gas supply changes.
- Remote control simplifies operation from a distance.
- High BTU output supports heating up to 1500 sq ft in ideal conditions.
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert – 32,000 BTU, Remote Control – Model# FDF400RT-ZC
The FDF400RT-ZC mirrors the FDI32R in BTU output and fuel flexibility, with updated styling that includes a double-door aesthetic and a sprayed brick liner for a more finished look. It also uses a remote with a standing pilot and manual flame adjustment. Best for: buyers who want a similar heating capacity with a slightly different interior look. Caution: ensure door clearance and installation space meet local codes for ventless inserts.
Key differences from the FDI32R
- Two-door design with sprayed brick interior adds depth and realism.
- Remote-controlled operation mirrors the FDI32R; consider if you prefer a double-door reveal.
Duluth Forge Ventless 26,000 BTU Heats 1,350 Sq Ft Dual Fuel No-Clearance Gas Fireplace Insert with Remote Control, Black
This 26,000 BTU ventless insert heats up to 1,350 square feet and supports both natural gas and propane. It includes a user-friendly Piezo ignition and an included AAA battery for electric ignition. Best for: smaller-to-mid-sized spaces where a lower BTU option is sufficient and a realistic log set is desired. Caution: ventless configurations require proper ventilation and adherence to safety guidelines.
Comfort Glow Vent Free Gas Fireplace Log Insert with Remote, 8 Pcs 24″ Highland Ember Logs
Comfort Glow’s 24″ Highland Ember log set is designed for dual-fuel installations, featuring an 8-piece log set and a thermostat remote for temperature control from a distance. The logs create a realistic fire bed with ember glow, adding ambience even when heat output is modest. Best for: spaces where you want a dramatic visual without over-heating, and where a dedicated remote thermostat helps maintain comfort. Caution: designed as a log set for compatible gas inserts; verify compatibility with your insert system.
Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – Model# DF450SS-G
While primarily designed for outdoor use, this 24,000 BTU ventless unit demonstrates the versatility of Duluth Forge’s dual-fuel and manual-control approach. It uses a 304-grade stainless steel burner and features a water-drain tray to manage moisture. Best for: outdoor spaces or sheltered patios where weather-resistant performance is valued. Limitation: outdoor models require weatherproofing considerations and may differ in installation requirements from indoor inserts.
Americangaslos 15″-28″ Burner Pan for Gas Fireplace
This burner pan set is a compatible accessory for natural gas or propane systems, offering a durable burner pan, ember kit, and copper connections. Best for: DIY projects or upgrades to customize flame presentation. Caution: ensure precise fit and safe installation with your existing fireplace insert.
Skyflame 18-Inch Fireplace Log Grate with Dual Burner Pan
The Skyflame option includes a stainless steel grate and dual flame pan burner with a 12-inch flex line and connection fittings. It is a match-light style vented unit, suitable for custom configurations. Best for: builders or homeowners who want to tailor flame size and heat with a custom-fit dual burner. Limitation: intended for match-light vented setups; not ideal for ventless configurations without proper modifications.
Buying Guide: Key Purchase Considerations
- Ventless vs. vented: Ventless inserts heat quickly but require adequate room ventilation and local code compliance. Ventless options are generally easier to install in spaces without a chimney.
- Fuel flexibility: Dual-fuel options provide future-proofing if gas supply or preferences change. Confirm compatibility with your existing gas lines and regulators.
- BTU and space: Higher BTU ratings heat larger spaces. Match BTU to your room size to avoid overheating or underheating.
- Remote control and thermostat: A remote or thermostat helps maintain comfortable temperatures without manual adjustments. Check battery life and remote range.
- Realism and logs: Hand-painted logs and ember beds enhance the visual appeal. Look for ceramic fiber logs and detailed interior finishes for realism.
- Installation considerations: Some models require professional installation or adherence to local electrical/gas codes. Verify clearance, gas line access, and electrical supply if needed.
- Durability and materials: Stainless steel burners and heat-resistant ceramic components improve longevity. Check for corrosion resistance if the unit may be exposed to humidity (especially outdoors).
FAQ: Quick Answers For Buyers
- What is a ventless gas insert?
It operates without a chimney or vent to the outdoors, relying on room ventilation. It heats the room directly and is easier to install in many homes, but check local codes and CO safety requirements.
- Can I use natural gas and propane with the same insert?
Some models are dual-fuel and support both. Verify each unit’s fuel connections and conversion requirements before use.
- Do I need professional installation?
For most ventless inserts and dual-fuel setups, professional installation is recommended to ensure safety, correct gas pressure, and code compliance.
- Will these inserts heat large rooms?
BTU ratings indicate potential heating capacity. Pair higher BTU units with larger spaces, and consider insulation to maximize efficiency.
- Are there safety features I should look for?
Look for battery-assisted igniters, thermal shutoff, and clear exterior access to controls. A remote with flame adjustment improves usability and safety in daily use.
- Can I upgrade logs or add burners later?
Some accessories and burner pans support upgrades; check compatibility with your insert model to avoid mismatches and ensure safe operation.