Comparison: Best Quality Gas Fireplace Inserts (Updated | Dec 16th)
Transform your chilly evenings into cozy gatherings with the perfect gas fireplace insert. Today’s top-tier models combine stunning aesthetics with cutting-edge technology, offering warmth and ambiance without the hassle of wood. We’ve done the homework to bring you the crème de la crème of gas inserts, comparing efficiency, heat output, and design.
Editor’s Choice
Best for a specific purpose
- Best for dual fuel remote: Duluth Forge Dual Fuel Ventless Gas Fireplace Insert
- Best for powerful heating: Buck Stove Model ZCBBXL 42″ Fireplace Insert | 40
- Best for compact dual fuel: Duluth Forge Dual Fuel Ventless Gas Fireplace Insert
- Best for realistic flame logs: Comfort Glow Vent Free Gas Fireplace Log Insert
- Best for thermostat controlled: Duluth Forge Dual Fuel Ventless Gas Fireplace Insert
- Best for split oak design: Duluth Forge Split Red Oak Ventless Log Set – 18 Inch
- Best for efficient heating: Buck Stove Model ZCBBXL 36″ Fireplace Insert | 40
- Best for complete fireplace system: Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32
- Best for remote controlled: Comfort Glow Vent Free Gas Fireplace Log Insert with Remote
- Best for outdoor stainless: Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24
Product Comparison: Best Quality Gas Fireplace Inserts
Dual Fuel Remote
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Remote Control, 9 Fire Logs, Use with Natural Gas or Liquid Propane, 32000 BTU, Heats up to 1500 Sq. Ft., Black
Duluth Forge
The Duluth Forge Dual Fuel Ventless Gas Fireplace Insert offers exceptional heating performance with its 32,000 BTU output, capable of warming up to 1,500 square feet. This versatile unit operates on either natural gas or liquid propane, providing flexibility for homeowners. The insert features nine hand-painted ceramic logs that create a realistic fireplace experience without the hassle of wood. With remote control functionality, you can easily adjust the flame height from the comfort of your couch. The zero-clearance design allows for installation against any wall with access to a gas line, making it perfect for both new construction and remodeling projects.
✓ Reasons to Buy
- Dual fuel flexibility
- Powerful heating capacity
- Realistic ceramic logs
- Convenient remote control
- Easy installation
✗ Reasons Not to Buy
- Heavy at 88.2 lbs
- Requires 42″ ceiling clearance
- Professional installation recommended
Powerful Heating
Buck Stove Model ZCBBXL 42″ Fireplace Insert | 40,000 BTU Heating | Vent-Free Liquid Propane with Blower
Buck
The Buck Stove Model ZCBBXL combines powerful heating with elegant design, featuring a 42-inch viewing window that showcases the beautiful flames within. This vent-free fireplace insert delivers 40,000 BTU of heat at 99.9% efficiency, making it an excellent primary or supplemental heat source. The unit can operate on either natural gas or propane and includes a variable speed blower for optimal heat distribution. With its standing pilot ignition system, you can control the fireplace using the included remote or connect it to a thermostat for automated operation. The American-made quality is backed by a 2-year manufacturer’s warranty, ensuring long-term reliability.
✓ Reasons to Buy
- Large viewing window
- Powerful 40,000 BTU output
- Variable speed blower
- Thermostat compatible
- 2-year warranty
✗ Reasons Not to Buy
- Higher price point
- Requires professional installation
- Limited to propane or natural gas
Compact Dual Fuel
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Remote Control, 6 Fire Logs, Use with Natural Gas or Liquid Propane, 32000 BTU, Heats up to 1500 Sq. Ft., Black
Duluth Forge
The Duluth Forge Dual Fuel Ventless Gas Fireplace Insert offers a perfect balance of performance and compact design. With 32,000 BTU of heating power, this unit can efficiently warm up to 1,500 square feet using either natural gas or liquid propane. The insert features six hand-painted ceramic logs that create a realistic and cozy fireplace ambiance. The included remote control with LCD display allows you to adjust the flame height and turn the unit on or off from across the room. At 69.5 pounds, it’s lighter than many comparable models, making installation easier. The mesh double doors and sprayed brick liner add a touch of elegance to any room.
✓ Reasons to Buy
- Compact size
- Dual fuel compatibility
- Remote control operation
- Realistic flame appearance
- Lighter weight design
✗ Reasons Not to Buy
- Fewer logs than larger model
- Limited heating for very large spaces
- Requires 42″ ceiling clearance
Realistic Flame Logs
Comfort Glow Vent Free Gas Fireplace Log Insert, 6 Pcs 24″ Black Forest Logs, Dual Fuel (LP/NG), Double Yellow Flame, Adjustable Thermostat, Heats 1,250 Sq Ft
Comfort Glow
The Comfort Glow Vent Free Gas Fireplace Log Insert offers a stunning 24″ Black Forest log set with six realistic, deeply textured oak pieces that mimic the beauty of a real wood fire without the hassle. This dual fuel system works with both natural gas and propane, providing flexibility for your home. The ventless design features electronic ignition and an adjustable thermostat for precise heat control. Its U-shaped double yellow flame burner creates mesmerizing dancing flames that intermingle throughout the logs. With 30,000 BTUs of heating power, this insert can warm spaces up to 1,250 square feet, making it perfect for new construction or retrofitting into existing fireplaces.
✓ Reasons to Buy
- Realistic oak log design
- Dual fuel compatibility
- Adjustable thermostat control
- Dancing yellow flame effect
- Heats large areas effectively
✗ Reasons Not to Buy
- Requires proper ventilation
- Professional installation recommended
- Limited temperature control options
Thermostat Controlled
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Thermostat Control, 6 Fire Logs, Use with Natural Gas or Liquid Propane, 32000 BTU, Heats up to 1500 Sq. Ft., Black
Duluth Forge
The Duluth Forge Dual Fuel Ventless Gas Fireplace Insert combines functionality with aesthetic appeal, featuring patented dual fuel technology that works with both natural gas and liquid propane. This 32,000 BTU unit operates at 99.9% efficiency without requiring external ducting or chimneys, capable of heating up to 1,500 square feet. The thermostat control automatically cycles the unit on and off to maintain your desired room temperature. Six hand-painted ceramic fiber logs create a realistic appearance, complemented by mesh double doors and a sprayed brick liner. The zero-clearance firebox can be installed against or recessed into any wall with access to a gas line, making it versatile for various home layouts.
✓ Reasons to Buy
- Patented dual fuel technology
- Automatic thermostat control
- Realistic ceramic log design
- 99.9% energy efficiency
- Zero-clearance installation
✗ Reasons Not to Buy
- Heavy at 69.5 pounds
- Requires 42″ ceiling clearance
- Limited to indoor use only
Split Oak Design
Duluth Forge Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane/Natural Gas), Remote Control, Realistic Fireplace Insert
Duluth Forge
The Duluth Forge Split Red Oak Ventless Log Set brings the charm of a traditional fireplace with modern convenience. This 18-inch, 30,000 BTU system operates on either propane or natural gas, featuring user-friendly Piezo ignition and remote control for customized comfort. The hand-painted logs are cast from real wood in concrete, offering incredible detail and a premium appearance. The U-Burner chassis design generates two rows of flames for a remarkably realistic fire effect. Safety is paramount with the Oxygen Depletion Sensor that automatically shuts off the unit if carbon monoxide or lack of oxygen is detected. This ventless system heats up to 1,100 square feet with 99.9% efficiency, requiring no outside duct or chimney.
✓ Reasons to Buy
- Hand-painted realistic logs
- Remote control operation
- Oxygen depletion sensor
- Dual fuel flexibility
- Efficient heating performance
✗ Reasons Not to Buy
- Limited to 1,100 sq ft coverage
- Requires firebox installation
- Some assembly needed
Efficient Heating
Buck Stove Model ZCBBXL 36″ Fireplace Insert | 40,000 BTU Heating | Vent-Free Liquid Propane with Blower
Buck
The Buck Stove Model ZCBBXL 36″ Fireplace Insert offers powerful heating with 40,000 BTU output and 99.9% efficiency. Designed for flexible installation in wood-framed cavities, it’s perfect for new construction or remodeling projects. The unit features a variable speed blower for optimal heat distribution and a reliable standing pilot ignition system compatible with remote control or thermostat operation. This vent-free liquid propane fireplace insert provides a stunning 36″ viewing window to enjoy the realistic flames. Backed by a 2-year factory warranty, this American-made product combines functionality with aesthetic appeal, making it an excellent heating solution for your living space.
✓ Reasons to Buy
- High heat output
- Energy efficient operation
- Flexible installation options
- Variable speed blower
- Reliable ignition system
✗ Reasons Not to Buy
- Requires professional installation
- Higher price point
- Limited to propane fuel
Complete Fireplace System
Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – Model# DFS-400R-2GR
Duluth Forge
The Duluth Forge Dual Fuel Ventless Gas Fireplace combines functionality with elegant design, featuring a furniture-grade mantel with light distressing and burnishing on edges. This 32,000 BTU unit efficiently heats up to 1,500 sq. ft. without requiring outside ducts or chimneys. The patented dual fuel technology allows operation with either natural gas or liquid propane. Six hand-painted ceramic fiber logs create a realistic fire appearance, complemented by double doors and a sprayed brick liner. The included remote control with LCD screen enables convenient operation, allowing you to toggle between manual and thermostat control to maintain your desired temperature effortlessly.
✓ Reasons to Buy
- Dual fuel compatibility
- No chimney required
- Remote control operation
- Realistic ceramic logs
- Stylish furniture-grade mantel
✗ Reasons Not to Buy
- Requires ceiling clearance
- Limited heating capacity
- Complex assembly process
Remote Controlled
Comfort Glow Vent Free Gas Fireplace Log Insert with Remote, 8 Pcs 24″ Highland Ember Logs, Dual Fuel (LP/NG), Double Yellow Flame, Adjustable Thermostat, Heats 1,400 Sq Ft
Comfort Glow
Transform your fireplace with the Comfort Glow Vent Free Gas Fireplace Log Insert, featuring eight realistic 24″ Highland Ember logs with deep textured oak detailing and a glowing ember bed. This dual fuel system works with both natural gas and propane, offering versatility for your home. The innovative U-shaped burner creates beautiful dancing yellow flames that intermingle throughout the logs, providing an authentic wood fire experience without the mess. The ventless design with electronic ignition and adjustable thermostat makes operation simple, while the included remote control allows you to adjust settings and temperature from across the room for ultimate convenience.
✓ Reasons to Buy
- Realistic log appearance
- Dual fuel compatibility
- Remote control operation
- Ventless design
- Dancing yellow flames
✗ Reasons Not to Buy
- Limited heating area
- Requires proper ventilation
- No mantel included
Outdoor Stainless
Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – Model# DF450SS-G
Duluth Forge
Elevate your outdoor living space with the Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert, proudly assembled in the USA with high-quality materials. This 24,000 BTU unit features a 304-grade stainless steel H-burner that operates on natural gas or liquid propane (conversion kit included). The stylish glass media burner pan creates a stunning bed of flames over premium reflective crystal fire glass, providing both warmth and ambiance. With its slim profile, this fireplace takes up minimal space while maximizing visual impact. The manual on/off control valve and battery-assisted Piezo igniter ensure reliable operation, while the included drain tray helps manage moisture effectively.
✓ Reasons to Buy
- Outdoor rated construction
- Premium crystal glass media
- Dual fuel capability
- Slim space-saving design
- Made in USA
✗ Reasons Not to Buy
- Lower BTU output
- Limited to outdoor use
- Manual control only
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What should I look for in a high-quality gas fireplace insert?
Look for a high BTU rating for efficient heating, a realistic flame presentation, and a durable construction like cast iron or steel. Ensure it has adjustable heat settings and a remote control for convenience. Check for safety certifications like ANSI or UL compliance.
How do vented and ventless gas fireplace inserts compare?
Vented inserts require a chimney or flue but offer more realistic flames and better air quality, while ventless models are easier to install but may produce moisture and odors. Vented options are ideal for aesthetics, while ventless ones are better for supplemental heating. Consider your home’s ventilation and heating needs.
What features add the most value to a gas fireplace insert?
Features like programmable thermostats, multi-speed blowers, and LED ember beds enhance convenience and ambiance. Look for models with intermittent pilot ignition to save energy. Optional accessories like glass doors or decorative media can personalize your insert.
Are premium brands worth the extra cost?
Premium brands often offer superior craftsmanship, longer warranties, and advanced features like smart home integration. They may also provide better flame realism and quieter operation. If budget allows, investing in a reputable brand can ensure durability and performance.
How do I choose the right size for my room?
Measure your room’s square footage and select an insert with a BTU output that matches your heating needs. Oversized inserts can overheat small spaces, while undersized ones may struggle to warm larger areas. Consult the manufacturer’s sizing guide for optimal results.
What maintenance is required for gas fireplace inserts?
Annual professional inspections are recommended to check for leaks, clean the burner, and ensure proper ventilation. Regularly dust the glass and exterior to maintain appearance. Replace batteries in remote controls and test safety features periodically.
How do gas inserts compare to electric ones?
Gas inserts provide more heat and realistic flames but require professional installation and venting. Electric models are easier to install and cheaper upfront but offer less warmth and ambiance. Choose gas for primary heating or electric for supplemental use.
What’s the difference between direct vent and B-vent inserts?
Direct vent inserts use a sealed combustion system, pulling air from outside and expelling exhaust, making them more efficient and safer. B-vent models rely on indoor air for combustion and are less efficient but may be easier to retrofit in existing chimneys. Direct vent is ideal for airtight homes.
Can I install a gas insert myself?
Installation typically requires professional help to ensure proper venting, gas line connections, and compliance with local codes. DIY installation can void warranties and pose safety risks. Always hire a certified technician for gas fireplace inserts.