Comparison: Best Natural Gas Fireplace Insert (Updated | Dec 16th)
Transform your chilly evenings into cozy gatherings with the perfect natural gas fireplace insert! As you snuggle up, you’ll want the perfect balance of warmth, efficiency, and ambiance. We’ve done the legwork, comparing top models to bring you the ultimate guide to upgrading your hearth. From realistic flames to smart home integration, we’ll help you discover which insert will turn your living room into the heart of your home.
- Best for vented high-heat choice: Real Fyre 24-Inch Live Oak Vented Gas Log Set
- Best for compact ventless efficiency: Duluth Forge Split Red Oak Ventless Log Set – 18 Inch
- Best for remote-controlled stacked oak: Duluth Forge DLS-24R-2 Dual Fuel Ventless Fireplace Logs Set with Remote Control
- Best for complete insert heater: Duluth Forge Dual Fuel Ventless Gas Fireplace Insert
- Best for smart-control birch logs: EROMMY 24 Inch Ventless Fireplace Logs Set with Remote Control
- Best for remote-controlled split oak: Duluth Forge DLS-30R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control
- Best for smart-control silk logs: EROMMY 24 Inch Ventless Fireplace Logs Set with Remote Control
- Best for highland ember heater: Comfort Glow Vent Free Gas Fireplace Log Insert with Remote
- Best for black forest log set: Comfort Glow Vent Free Gas Fireplace Log Insert
- Best for remote-controlled stacked oak: Duluth Forge DLS-30R-2 Dual Fuel Ventless Fireplace Logs Set with Remote Control
Product Comparison: Best Natural Gas Fireplace Insert
Real Fyre 24-Inch Live Oak Vented Gas Log Set, Natural Gas, Match-Lit with Burner, Grate & Gas Connection Kit, 90,000 BTU
- HEAT OUTPUT: Up to 90,000 BTU for big, lively flames and strong radiant warmth in a properly vented wood‑burning fireplace.
- WHAT’S INCLUDED: Six hand‑painted ceramic logs with steel reinforcement, vented burner, grate, silica sand, glowing embers, damper clamp, and a gas line connection kit.
- NATURAL GAS: Match‑lit set for fully vented fireplaces only; not for propane or vent‑free fireboxes. Follow local codes and your fireplace manufacturer’s directions for safe installation.
- FIT GUIDANCE: Typical minimum opening for 24‑in vented, match‑lit sets is about 28 in W (front) x 23 in W (rear) x 13 in D x 17 in H; allow extra width when adding a safety pilot.
- UPGRADE READY: Add a Real Fyre SPK‑26 manual safety pilot or APK‑17 variable‑flame remote later (sold separately) for easier lighting and flame control.
Duluth Forge Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane/Natural Gas), Remote Control, Realistic Fireplace Insert
- Fireplace accessory suitable for indoor use only; Must be installed in a masonry or agency-approved firebox; Some assembly required
- Oxygen Depletion Sensor (O.D.S.) automatically shuts off the unit if carbon monoxide or lack of oxygen is detected to keep you and your family safe; Economical design offers 99.9 percent efficiency; No outside duct or chimney needed
- Operates off of liquid propane or natural gas with user-friendly Piezo ignition for easy startup; Remote control lets you customize the heat in your room for optimal convenience
- Hand-painted logs cast in concrete from real wood for amazing detail and a high-end look; Uses superior refractory ceramics to ensure a long lifespan; U-Burner chassis design provides 2 rows of flames to create a realistic fire; Chassis is solid and powder-coated for lasting durability
- Ventless 18-inch gas log set features 30,000 BTUs, heating up to 1,100 square feet for a warm, cozy home any time of year; Heats the air and circulates the warmth through the room, much like your central heating system
Duluth Forge DLS-24R-2 Dual Fuel Ventless Fireplace Logs Set with Remote Control, Use with Natural Gas or Liquid Propane, 33000 BTU, Stacked Red Oak, 24 Inches
- VENTLESS DUAL FUEL TECHNOLOGY: Patented technology gives the option to fuel the fire logs set with either Natural Gas or Liquid Propane; 33000 BTU Vent Free gas burner is 99.9% efficient; No outside duct or chimney is needed to heat your space
- LONG-LASTING NATURAL APPEARANCE: The 8 hand-painted realistic detailed Stacked Red Oak logs use superior refractory ceramics to ensure a long lifespan; Set includes iron grate and u-burner chassis plus a bag of embers for realistic flames & glow
- REMOTE CONTROL FEATURES: The 24-inch gas log set for an existing fireplace includes a remote control to turn the natural gas and propane burner on and off; Toggle between Manual and Thermostat control to set your desired temperature
- DIMENSIONS AND INCLUDED ITEMS: Minimum Firebox Size – ; Includes 8 Hand Painted Ceramic Logs, Bag of Embers, No bags of Vermiculite, Remote Control, Receiver Box, AA & AAA Batteries, Hardware Pack
- SAFETY FEATURES: Battery-assisted Piezo ignition with built-in pilot oxygen depletion sensor (ODS) immediately shuts down the Ventless gas fireplace logs if carbon monoxide or lack of oxygen is detected, Incudes Damper Clamp
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
- VENTLESS DUAL FUEL TECHNOLOGY: Patented technology gives the option to fuel the Fireplace Insert with either Natural Gas or Liquid Propane; 32000 BTU Vent Free gas heater is 99.9% efficient; No outside duct or chimney is needed to heat up to 1500 sq. ft.
- REMOTE CONTROL FEATURES: The gas fireplace insert includes a remote control with LCD screen to turn the Natural Gas or Liquid Propane burner on and off; A standing pilot allows the remote to turn the flame on and off; Manual flame adjustment control
- STYLISH: 9 hand-painted realistic ceramic fiber faux fireplace logs ensure a long life for the indoor fireplace insert; Mesh Screen completes the look
- DIMENSIONS & INCLUDED ITEMS: 18.38″ H x 33.27″ W x 36.38″ D; Clearance from the top of the fireplace to the ceiling must not be less than 42”; Includes 9 ceramic logs, iron grate, 1 AAA battery, remote control & receiver; Weight – 88.2 lbs.
- SAFETY FEATURES: Push button Piezo ignition; Zero-Clearance Firebox can be installed against or recessed into any wall accessible to a gas line
EROMMY 24 Inch Ventless Fireplace Logs Set with Remote Control, Only Used for Natural Gas, 30000 BTU, Birch Wood, White
- Only Use for Natural Gas Fireplace: 32 000 BTU vent-free burner delivers 99.9% heating efficiency; No external venting required, heats spaces up to 1 100 square feet
- Smart Remote Control: Wireless remote enables manual mode and thermostat mode; Customizable temperature settings with child lock (CP lock) and °F/°C conversion; Auto-shutoff after 2 hours if no signal is detected for 15 minutes
- Realistic & Durable Log Design: The 7 hand-painted birch wood logs crafted from high-temperature ceramic for longevity
- Safety First: Pulse ignition and ODS (oxygen depletion sensor) automatically cut gas if oxygen levels drop
- Dimensions and Included Items: Minimum Firebox Required: 14″D x 32″W(22″W rear) front x 24″H. Includes 7 Hand Painted Ceramic Logs, Lava Rock, Remote Control, Receiver Box
Duluth Forge DLS-30R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control, Use with Natural Gas or Liquid Propane, 33000 BTU, Split Red Oak, 30 Inches
- VENTLESS DUAL FUEL TECHNOLOGY: Patented technology gives the option to fuel the fire logs set with either Natural Gas or Liquid Propane; 33000 BTU Vent Free gas burner is 99.9% efficient; No outside duct or chimney is needed to heat your space
- LONG-LASTING NATURAL APPEARANCE: The 9 hand-painted realistic detailed Split Red Oak logs use superior refractory ceramics to ensure a long lifespan; Set includes iron grate and u-burner chassis plus a bag of embers for realistic flames & glow
- REMOTE CONTROL FEATURES: The 30-inch gas log set for an existing fireplace includes a remote control to turn the natural gas and propane burner on and off; Toggle between Manual and Thermostat control to set your desired temperature
- DIMENSIONS AND INCLUDED ITEMS: Minimum Firebox Size – ; Includes 9 Hand Painted Ceramic Logs, Bag of Embers, No bags of Vermiculite, Remote Control, Receiver Box, AA & AAA Batteries, Hardware Pack
- SAFETY FEATURES: Battery-assisted Piezo ignition with built-in pilot oxygen depletion sensor (ODS) immediately shuts down the Ventless gas fireplace logs if carbon monoxide or lack of oxygen is detected, Incudes Damper Clamp
EROMMY 24 Inch Ventless Fireplace Logs Set with Remote Control, Only Used for Natural Gas, 30000 BTU, South America Silk Floss Wood, Brown
- Only Use for Natural Gas Fireplace: 32 000 BTU vent-free burner delivers 99.9% heating efficiency; No external venting required, heats spaces up to 1 100 square feet
- Smart Remote Control: Wireless remote enables manual mode and thermostat mode; Customizable temperature settings with child lock (CP lock) and °F/°C conversion; Auto-shutoff after 2 hours if no signal is detected for 15 minutes
- Realistic & Durable Log Design: The 6 hand-painted South America silk floss wood logs crafted from high-temperature ceramic for longevity
- Safety First: Pulse ignition and ODS (oxygen depletion sensor) automatically cut gas if oxygen levels drop
- Dimensions and Included Items: Minimum Firebox Required: 14″D x 32″W(22″W rear) front x 24″H. Includes 6 Hand Painted Ceramic Logs, Lava Rock, Remote Control, Receiver Box
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
- REALISTIC GAS FIREPLACE LOGS: Our 24″ dual fuel, Highland Ember log set features a 8 piece realistic looking deep textured oak log set with a glowing ember bed. Enjoy the beauty and warmth of a real wood fire without all the work and mess associated with burning wood.
- THERMOSTAT REMOTE CONTROL: Remote controll allows you to adjust your settings and desired heat temperature from a distance. Redesigned remote receiver extends battery life.
- DUAL FUEL GAS LOGS: Gas log set is compatible with both natural gas and propane fireplace insert setups.
- VENTLESS GAS LOGS: Vent free designs with electronic ignition and adjustable thermostat for easy heat control.
- DOUBLE YELLOW FLAME BURNER: U-shaped burner provides dancing flames that intermingle throughout the logs.
- HEATS UP TO 1,400 SQ. FT.: With 33,000 BTU’s of warmth to heat up to 1,400 sq. feet, this log set can bring the charm of almost any new construction or it can retro fit into an existing firebox or wood burning fireplace.
- NO CHIMNEY NEEDED: This vent free gas logs setup is ideal for indoor use.
- SAFETY FEATURES: Includes ODS system for safe gas fireplace logs for indoor fireplace. Will automatically shut off the unit if carbon monoxide or lack of oxygen is detected.
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
- REALISTIC GAS FIREPLACE LOGS: Our 24″ dual fuel, Black Forest log set features a 6 piece realistic looking deep textured oak log set. Enjoy the beauty and warmth of a real wood fire without all the work and mess associated with burning wood.
- DUAL FUEL GAS LOGS: Gas log set is compatible with both natural gas and propane fireplace insert setups.
- VENTLESS GAS LOGS: Vent free designs with electronic ignition and adjustable thermostat for easy heat control.
- DOUBLE YELLOW FLAME BURNER: U-shaped burner provides dancing flames that intermingle throughout the logs.
- HEATS UP TO 1,250 SQ. FT.: With 30,000 BTU’s of warmth to heat up to 1,250 sq. feet, this log set can bring the charm of almost any new construction or it can retro fit into an existing firebox or wood burning fireplace.
- NO CHIMNEY NEEDED: This vent free gas logs setup is ideal for indoor use.
- SAFETY FEATURES: Includes ODS system for safe gas fireplace logs for indoor fireplace. Will automatically shut off the unit if carbon monoxide or lack of oxygen is detected.
Duluth Forge DLS-30R-2 Dual Fuel Ventless Fireplace Logs Set with Remote Control, Use with Natural Gas or Liquid Propane, 33000 BTU, Stacked Red Oak, 30 Inches
- VENTLESS DUAL FUEL TECHNOLOGY: Patented technology gives the option to fuel the fire logs set with either Natural Gas or Liquid Propane; 33000 BTU Vent Free gas burner is 99.9% efficient; No outside duct or chimney is needed to heat your space
- LONG-LASTING NATURAL APPEARANCE: The 9 hand-painted realistic detailed Stacked Red Oak logs use superior refractory ceramics to ensure a long lifespan; Set includes iron grate and u-burner chassis plus a bag of embers for realistic flames & glow
- REMOTE CONTROL FEATURES: The 30-inch gas log set for an existing fireplace includes a remote control to turn the burner on and off; A standing pilot allows the remote to turn the flame on and off; Manual flame adjustment control
- DIMENSIONS AND INCLUDED ITEMS: Minimum Firebox Size – ; Includes 9 Hand Painted Ceramic Logs, Bag of Embers, No bags of Vermiculite, Remote Control, Receiver Box, AA & AAA Batteries, Hardware Pack
- SAFETY FEATURES: Battery-assisted Piezo ignition with built-in pilot oxygen depletion sensor (ODS) immediately shuts down the Ventless gas fireplace logs if carbon monoxide or lack of oxygen is detected, Incudes Damper Clamp
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Buying Guide
FAQs
What should I look for in a natural gas fireplace insert?
Prioritize heating capacity measured in BTUs to match your room size, and look for high efficiency ratings (AFUE) to maximize heat output. Consider features like adjustable flame settings, remote controls, and safety certifications such as ANSI or UL. Ensure the insert is compatible with your existing fireplace dimensions and venting system.
How do natural gas inserts compare to electric or wood-burning options?
Natural gas inserts offer higher heat output and lower operating costs than electric models, while providing more convenience and less mess than wood-burning fireplaces. They also produce realistic flames and are more energy-efficient, making them a great balance of ambiance and functionality. Electric inserts are easier to install but lack the heat output of gas models.
What features are worth paying extra for?
Features like thermostatic controls, programmable timers, and variable flame heights enhance convenience and customization. Look for models with blowers or fans to distribute heat more evenly, especially for larger rooms. Premium finishes, realistic log sets, and remote controls can also elevate the overall experience.
Are natural gas fireplace inserts energy-efficient?
Yes, modern gas inserts often have efficiency ratings of 70-85%, meaning most of the gas is converted to usable heat. Look for models with direct venting, which seals the combustion process from indoor air, improving efficiency and safety. High-efficiency inserts can reduce heating bills compared to traditional wood-burning fireplaces.
How difficult is installation?
Installation typically requires professional help to ensure proper venting, gas line connections, and compliance with local codes. Direct vent models are easier to install as they can vent through an existing chimney or wall. Always hire a certified technician to avoid safety risks and ensure optimal performance.
What’s the difference between vented and ventless inserts?
Vented inserts exhaust fumes outside through a chimney or direct vent, ensuring clean indoor air quality, while ventless models release heat directly into the room but may produce moisture or odors. Vented models are safer and more realistic but less efficient, while ventless options are easier to install but may not be allowed in all areas. Check local regulations before choosing a ventless model.
How do I determine the right size for my space?
Measure the width, height, and depth of your existing fireplace to ensure a proper fit, and choose an insert with BTU output matching your room’s square footage. A general rule is 30-50 BTUs per square foot, but factors like insulation and ceiling height can affect this. Oversized inserts may overheat small rooms, while undersized ones won’t provide enough warmth.
Are there maintenance requirements?
Annual inspections by a professional are recommended to check for gas leaks, vent blockages, and component wear. Clean the glass and logs regularly to maintain appearance and efficiency, and replace batteries in remote controls as needed. Proper maintenance ensures safety and prolongs the insert’s lifespan.