If you’re considering a gas fireplace insert, you’re likely looking for an efficient, low-maintenance way to upgrade your existing fireplace or add warmth to your home. The ProCom 36-inch Universal Ventless Firebox Insert stands out as the best overall due to its versatility and ease of installation. The Duluth Forge Liquid Propane Ventless Gas Fireplace Insert offers excellent heat output, making it a solid choice for larger spaces, while the Duluth Forge Dual Fuel Ventless Gas Fireplace Insert provides flexibility with dual fuel options. These options highlight common tradeoffs: balancing cost, fuel type, and installation complexity. Continue reading for a detailed breakdown of each product and help in making an informed decision.
Key Takeaways
- The top picks balance heat output, installation ease, and fuel flexibility, with ventless models offering simpler setup.
- Most high-capacity inserts are dual fuel, providing versatility but often at a higher price point.
- Remote controls and thermostats significantly enhance usability, especially for larger or frequently used fireplaces.
- Ventless inserts are popular for their ease of installation, but they may have limitations in certain home codes or ventilation preferences.
- Price varies widely, with premium models offering more features but not always necessary for smaller or casual spaces.
| gas fireplace insert | BTU | Fuel Type |
|---|---|---|
| ProCom 32-inch Universal Ventl | — | — |
| ProCom 36-inch Universal Ventl | — | — |
| ProCom 36in. Universal Ventles | — | — |
| Duluth Forge Liquid Propane Ve | 26,000 | Liquid Propane |
| Duluth Forge Dual Fuel Ventles | 32,000 | Natural Gas or Liquid Propane |
| Duluth Forge Dual Fuel Ventles | 32,000 | Natural Gas or Liquid Propane |
| Duluth Forge Liquid Propane Ve | 26,000 | Liquid Propane |
| Duluth Forge Natural Gas Ventl | 26,000 | Natural Gas |
| Duluth Forge Natural Gas Ventl | 26,000 | Natural Gas |
More Details on Our Top Picks
ProCom 32-inch Universal Ventless Firebox Insert – Zero Clearance Design
This ProCom 32-inch firebox stands out for its versatility and compatibility with various installation styles, making it ideal for those who need a flexible, zero clearance solution. Its slim profile allows installation in tight spaces, and the large viewing area enhances the visual appeal, creating a cozy ambiance. Compared to the 36-inch models, it offers a more compact footprint, but it lacks included logs, which means additional purchases are necessary for a complete look. Its durable build and American-made quality add peace of mind, though professional installation can be a hurdle for DIY enthusiasts. This model suits homeowners wanting a customizable, space-saving insert that doesn’t compromise on aesthetics or quality.
Pros:- Slim profile fits into tight spaces and allows versatile installation options
- Large viewing area enhances visual warmth and ambiance
- Made in the USA with high-quality materials ensures durability
Cons:- Logs are not included, requiring additional purchase
- Requires a gas line installation, which may need professional help
Best for: Homeowners needing a flexible, space-efficient insert that can fit into tight or custom-built spaces.
Not ideal for: Buyers seeking an all-in-one package with included logs or a simple plug-and-play setup.
- Dimensions:32.5″ H x 35″ W x 19″ D
- Weight:64 lbs
- Model:PC32VFC
- Assembly:Assembled in the USA
Our verdict“This insert is perfect for those wanting a customizable, space-saving fireplace solution with a large viewing area.”
ProCom 36-inch Universal Ventless Firebox Insert – Zero Clearance Design
Compared with the 32-inch model, the ProCom 36-inch firebox offers a larger viewing area and enhanced heat output, making it suitable for bigger rooms. Its slim profile allows installation in tight spaces, yet it provides more visual impact and heat capacity—for spaces up to 1,350 sq. ft. Its compatibility with ventless gas logs, along with an efficient airflow system, ensures better heat distribution and a cozy atmosphere. However, it shares the same drawback of not including logs, so buyers must purchase them separately. This model appeals to those seeking a larger, customizable insert that maximizes both aesthetic and heating performance without sacrificing space efficiency.
Pros:- Larger viewing area delivers more visual warmth
- Slim profile fits into tight spaces and allows wall installation
- Efficient airflow system improves heat distribution
Cons:- Logs are not included, adding to overall cost
- Requires a gas line for installation, possibly needing professional setup
Best for: Homeowners with medium to large rooms seeking a larger, customizable insert for efficient zone heating.
Not ideal for: Buyers looking for a compact or plug-and-play solution without extra customization needs.
- Dimensions:32.5″ H x 35″ W x 19″ D
- Weight:64 lbs
- Model:PC36VFC
- Assembly:Assembled in the USA
Our verdict“Ideal for larger spaces where a bigger, customizable, and efficient gas insert is desired.”
ProCom 36in. Universal Ventless Firebox Insert – Zero Clearance Design – Model# PC36VFC, Black
This 36-inch ProCom model elevates the typical ventless insert with a stylish sprayed brick liner and an extra-large viewing area, making it a standout for aesthetic appeal. Its unique airflow technology maximizes heat flow, ensuring efficient warming of spaces, and it is fully assembled in the USA with high-quality materials. Compared to similar models, its decorative elements give a more finished look, suitable for those who want both form and function. Its main drawback is the need for a gas line and the absence of logs included, which can increase setup complexity. This pick suits buyers who prioritize style without sacrificing performance in larger, custom installations.
Pros:- Decorative sprayed brick liner enhances visual appeal
- Large viewing area maximizes ambiance
- Advanced airflow technology improves heat efficiency
Cons:- Requires professional installation due to gas line needs
- No logs included, which adds to setup costs
Best for: Design-conscious homeowners seeking a high-quality, stylish insert with excellent heat flow.
Not ideal for: Those wanting an affordable, basic insert or with limited access to a gas line.
Our verdict“Perfect for style-focused buyers wanting a large, efficient, and visually appealing gas insert.”
Duluth Forge Liquid Propane Ventless Gas Fireplace Insert, 26,000 BTU, T-Stat Control
This ventless propane insert offers up to 26,000 BTUs, making it well-suited for zone heating in medium-sized rooms up to 1,350 sq. ft. Its smart thermostat provides automatic temperature regulation, ensuring consistent warmth, unlike models without zone control. The realistic ceramic logs and flame add comfort and authenticity, though it requires a liquid propane supply, limiting placement options. Compared with electric or dual-fuel options like the Duluth Forge dual fuel insert, this model is simpler but less versatile in fuel choice. It’s an excellent choice for those prioritizing efficient, controlled heating without venting in a dedicated indoor space.
Pros:- Realistic flame and ceramic logs create a cozy look
- Smart thermostat maintains consistent temperature
- Ventless design simplifies installation
Cons:- Limited to liquid propane fuel, restricting placement
- No option for natural gas or dual fuel flexibility
Best for: Homeowners seeking zone heating with precise thermostat control in indoor propane setups.
Not ideal for: Buyers who prefer natural gas or want a vented installation option.
- BTU:26,000
- Heating Area:1,350 sq. ft.
- Fuel Type:Liquid Propane
- Control:Thermostat
- Safety Features:Oxygen Depletion Sensor, Automatic Shut-off
Our verdict“Ideal for zone heating in indoor propane setups where thermostat control is desired.”
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert – 32,000 BTU, Remote Control
This dual fuel insert provides the greatest flexibility, supporting both natural gas and propane, with 32,000 BTUs capable of heating larger areas up to 1,500 sq. ft. Its remote control with an LCD screen simplifies operation, making it convenient for everyday use. The realistic ceramic logs and high efficiency make it a practical, stylish choice. However, dual fuel models require a more substantial installation setup, including a clearance of at least 42 inches from the ceiling, and the need for a gas line limits options for some buyers. Compared to single-fuel units, this model offers unmatched fuel versatility but at the cost of increased installation complexity, making it ideal for those who want maximum flexibility.
Pros:- Supports both natural gas and propane for maximum flexibility
- Remote control with LCD makes operation easy
- High BTU output heats large spaces efficiently
Cons:- Requires a gas line and significant clearance, complicating installation
- Installation is more complex compared to simpler ventless models
Best for: Homeowners needing a versatile, high-capacity insert compatible with both natural gas and propane.
Not ideal for: Buyers with limited ceiling height or minimal installation space, due to clearance requirements.
- BTU:32,000
- Fuel Type:Natural Gas or Liquid Propane
- Efficiency:99.9%
- Dimensions:18.38″ H x 33.27″ W x 36.38″ D
- Included Items:9 ceramic logs, remote control, batteries
Our verdict“Perfect for those seeking a highly flexible, remote-controlled gas insert with high heating capacity.”
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert – 32,000 BTU, Remote Control
This dual fuel model stands out for its versatility, allowing use with both natural gas and propane, unlike the single-fuel options like the Duluth Forge Liquid Propane Ventless Gas Fireplace Insert. Its 32,000 BTU output makes it suitable for larger spaces, and with a nearly perfect 99.9% efficiency, it maximizes heat while minimizing waste. The realistic ceramic fiber logs and remote control add to its appeal, but the need for proximity to a gas line and the minimum clearance of 42 inches from the ceiling are notable drawbacks. Compared to ventless models, it offers broader fuel compatibility, though installation complexity increases.
Pros:- Dual fuel capability enhances flexibility in fuel choice
- High efficiency reduces operational costs
- Realistic logs improve aesthetic appeal
- Remote control simplifies operation
Cons:- Requires proximity to gas lines, limiting placement options
- Ceiling clearance of at least 42 inches needed for safe operation
Best for: Homeowners needing a flexible, high-efficiency insert that can run on either natural gas or propane without venting.
Not ideal for: Residents with limited gas line access or ceiling clearance below 42 inches, as installation may be difficult or unsafe.
- BTU:32,000
- Fuel Type:Natural Gas or Liquid Propane
- Efficiency:99.9%
- Dimensions:15.6″ H x 29.1″ W x 29.5″ D
- Weight:69.5 lbs
- Remote Control:Yes
Our verdict“This model is ideal for users who prioritize fuel flexibility and high efficiency in a larger space but are prepared for more complex installation requirements.”
Duluth Forge Liquid Propane Ventless Gas Fireplace Insert – 26,000 BTU, Remote Control
Compared with the dual fuel model, this ventless propane insert emphasizes ease of installation, offering a zero-clearance design that can be flush-mounted into walls or paired with a mantel, making it highly adaptable for custom designs. Its 26,000 BTU output comfortably heats up to 1,350 sq. ft., and the realistic ceramic fiber logs create a convincing flame effect, enhanced by remote control operation. However, its dependence on propane and ventless setup may not appeal to those preferring natural gas or vented systems. This makes it a strong choice for those who want a sleek, integrated look in large rooms, but it sacrifices some fuel flexibility and may need extra propane supply setup.
Pros:- Flush mount design creates a seamless wall look
- Strong heating capacity for large rooms
- Realistic flame with hand-painted logs
- Remote control for easy operation
Cons:- Requires liquid propane supply, possibly demanding extra setup
- Vents are not included, which may not suit all homes
Best for: Homeowners seeking a stylish, flush-mounted insert with a large heating capacity for bigger rooms, using propane fuel.
Not ideal for: Homeowners without easy access to propane tanks or who prefer natural gas due to infrastructure limitations or safety concerns.
- BTU:26,000
- Heating Area:1350 sq. ft.
- Fuel Type:Liquid Propane
- Remote Control:Yes
- Safety Features:Oxygen Depletion Sensor, auto shut-off
Our verdict“This insert is best for those who want a built-in aesthetic and powerful heat in propane-ready homes but can handle additional propane infrastructure.”
Duluth Forge Natural Gas Ventless Gas Fireplace Insert – 26,000 BTU, T-Stat Control
This model improves on basic ventless designs with a smart thermostat, offering automatic temperature regulation, unlike the non-thermostat propane model. Its 26,000 BTU capacity provides dependable heating for up to 1,350 sq. ft., with realistic flames and hand-painted logs that enhance the visual appeal. Flexible installation options allow it to be recessed or paired with a mantel, making it suitable for modern, seamless interior designs. The inclusion of safety features like oxygen depletion sensors boosts confidence, but the need for a natural gas line and professional installation may deter DIY enthusiasts. It’s an excellent choice for those prioritizing zone heating and integration with existing gas infrastructure.
Pros:- Smart thermostat enables automatic, zone-specific heating
- Realistic flame with detailed logs
- Flexible installation options
- High efficiency with ventless operation
Cons:- Requires natural gas connection, limiting placement options
- Professional installation needed for best results
Best for: Homeowners who want smart, programmable heating with natural gas and seamless interior integration.
Not ideal for: People without access to natural gas or those who prefer vented systems for air quality concerns.
- BTU:26,000
- Heating Area:up to 1,350 sq. ft.
- Control:Thermostat
- Fuel Type:Natural Gas
- Efficiency:99.9%
Our verdict“Ideal for those seeking smart, energy-efficient zone heating with natural gas and a sleek appearance, provided natural gas access is available.”
Duluth Forge Natural Gas Ventless Gas Fireplace Insert – 26,000 BTU, Remote Control
Compared to the thermostat-controlled model, this insert emphasizes straightforward remote operation and a traditional look with realistic logs. Its 26,000 BTU output makes it suitable for similar-sized rooms, with the advantage of simple flush wall installation that many homeowners find appealing. The high efficiency and safety features add peace of mind, but the lack of a thermostat means less automatic regulation, which might lead to less consistent comfort. Like its siblings, it requires a natural gas connection and has no venting, which could be a concern for those prioritizing indoor air quality or venting options. It’s a solid choice for users who want a reliable, easy-to-install insert with remote control capabilities.
Pros:- Simple flush wall installation for a clean look
- Remote control for convenience
- Realistic flame and logs
- High efficiency and safety features
Cons:- No thermostat for automatic temperature control
- Limited to natural gas setup
Best for: Homeowners desiring a straightforward, remote-controlled gas insert for standard wall installation in natural gas homes.
Not ideal for: Those seeking smart zone control or vented systems, or without natural gas access, as it relies solely on natural gas and manual temperature regulation.
- BTU:26,000
- Heating Area:1350 sq. ft.
- Fuel Type:Natural Gas
- Remote Control:Yes
- Efficiency:99.9%
Our verdict“Best suited for users wanting an easy-to-install, remote-controlled insert in natural gas homes with a preference for traditional aesthetics.”
How We Picked
These products were evaluated based on performance, ease of installation, build quality, safety features, and user convenience. We prioritized models that deliver reliable heat output, are straightforward to install, and include safety controls. Cost-effectiveness was considered, but higher prices were justified by advanced features or higher BTU ratings. The ranking reflects a balance between value, functionality, and versatility, aiming to guide both new and experienced buyers to models that suit various needs and budgets.| gas fireplace insert | Fuel Type |
|---|---|
| ProCom 32-inch Universal Ventl | — |
| ProCom 36-inch Universal Ventl | — |
| ProCom 36in. Universal Ventles | — |
| Duluth Forge Liquid Propane Ve | Liquid Propane |
| Duluth Forge Dual Fuel Ventles | Natural Gas or Liquid Propane |
| Duluth Forge Dual Fuel Ventles | Natural Gas or Liquid Propane |
| Duluth Forge Liquid Propane Ve | Liquid Propane |
| Duluth Forge Natural Gas Ventl | Natural Gas |
| Duluth Forge Natural Gas Ventl | Natural Gas |
Factors to Consider When Choosing Gas Fireplace Insert
Choosing the right gas fireplace insert involves understanding several key factors that influence performance, safety, and usability. Beyond just BTU ratings, buyers should consider installation requirements, fuel type, safety features, and ongoing maintenance. Making the right choice means weighing these elements against your space, local codes, and personal preferences. This guide breaks down critical considerations to help you navigate these choices confidently.Fuel Type and Venting Options
Gas fireplace inserts come in natural gas and propane models, each with specific installation needs and fuel availability. Ventless models, common in this roundup, are easier to install as they don’t require venting, but some home codes restrict their use. Ventless inserts are ideal for spaces where venting is difficult, but they may produce more moisture and require proper room ventilation. Choosing between vented and ventless depends on your home’s setup, local regulations, and desired aesthetics.
Heating Capacity and Room Size
BTU ratings indicate how much heat an insert can produce. Larger spaces need higher BTU models to warm effectively, but oversizing can lead to inefficiency or discomfort. Conversely, small rooms with high-capacity inserts might become too hot or waste energy. Consider your room size carefully, and aim for a model that provides comfortable, even heat without excessive energy use. Many models in this roundup specify the ideal room square footage for optimal performance.
Installation and Maintenance
Ease of installation varies widely; ventless models are generally simpler to set up, often fitting into existing fireplaces or custom enclosures. However, proper clearance and safety considerations are paramount to prevent hazards. Maintenance involves regular cleaning of logs, burners, and checking safety controls. Some models include features like remote operation or thermostats, making ongoing use more convenient. Be aware of local regulations that may restrict certain installation types or venting options.
Safety Features and Controls
Safety controls such as automatic shut-off, remote control, and thermostats improve operation safety and convenience. Ventless models require particular attention to safety, as improper installation or operation can lead to carbon monoxide buildup. Always opt for models with clear safety certifications and features like oxygen depletion sensors. Regular maintenance and adherence to manufacturer guidelines are essential to maintaining safe operation over time.
Cost and Value
Prices range significantly based on size, features, and fuel type. While premium models offer advanced controls and higher BTUs, they may not be necessary for small or infrequent use. Conversely, investing in a more capable model can improve comfort and efficiency for larger or colder spaces. Consider your budget alongside your space’s heating needs and desired features, aiming for a balance of cost and functionality that provides long-term value.
Frequently Asked Questions
Are ventless gas fireplace inserts safe for all homes?
Ventless gas fireplace inserts are generally safe when properly installed and used according to manufacturer instructions and local codes. They are designed with safety features like oxygen depletion sensors and automatic shut-offs. However, some jurisdictions restrict or prohibit ventless models due to concerns about moisture and indoor air quality. Always check your local regulations before installing a ventless insert and ensure proper room ventilation for safe operation.
How do I choose the right BTU rating for my space?
Selecting the correct BTU rating depends on your room size, insulation, and climate. A general guideline is about 30-60 BTUs per square foot for adequately insulated spaces. Larger or poorly insulated rooms require higher BTUs to heat effectively, but oversizing can lead to inefficiency and uneven heating. Many models in this roundup specify recommended room sizes, which can help narrow your options based on your specific space.
Can I install a gas fireplace insert myself?
While some ventless models are designed for DIY installation, it’s important to follow all safety guidelines and local regulations. Many states or municipalities require professional installation for gas appliances, especially for vented systems. Improper installation can lead to safety hazards such as gas leaks or carbon monoxide buildup. When in doubt, hiring a licensed professional ensures compliance and safe operation, providing peace of mind and adherence to building codes.
What maintenance is needed to keep my gas fireplace insert working well?
Regular maintenance includes cleaning the logs, burners, and glass to prevent soot buildup and ensure efficient operation. Checking safety features like oxygen sensors and pilot lights periodically is also recommended. Most models include filters or screens that need cleaning or replacement. Scheduling annual inspections by a qualified technician can catch potential issues early and prolong the lifespan of your insert, maintaining safety and performance over time.
Are dual fuel gas inserts worth the extra cost?
Dual fuel gas inserts offer the flexibility to switch between natural gas and propane, which can be advantageous if your fuel supply changes or you move to a different home. They often come with additional features and higher price tags, but the convenience and versatility can justify the expense for some buyers. If you have access to both fuels or anticipate needing flexibility, dual fuel models can provide long-term value, especially in areas with fluctuating fuel availability or costs.
Conclusion
For those seeking the best all-around performance, the ProCom 36-inch Universal Ventless Firebox Insert offers excellent versatility and ease of installation. Budget-conscious buyers will find the Duluth Forge Liquid Propane Ventless Gas Fireplace Insert provides strong heat output at a lower price point. For users prioritizing advanced features and higher BTUs, the Duluth Forge Dual Fuel Ventless Gas Fireplace Insert stands out as a premium choice. Beginners or those installing in tight spaces will benefit from ventless models, but should pay close attention to safety and local regulations. Ultimately, your choice depends on your space, budget, and specific needs—this roundup aims to help you find the perfect fit.
