I Tested the Best Liquid Propane Fireplace Inserts: A Cozy Home Upgrade Experience
When I first discovered the charm of a liquid propane fireplace insert, I was instantly drawn to the perfect blend of warmth, convenience, and style it offered. There’s something uniquely inviting about a fireplace that doesn’t just provide heat but also enhances the ambiance of any room with its flickering flames and cozy glow. Liquid propane fireplace inserts have become a popular choice for those looking to upgrade their living spaces without the hassle of traditional wood-burning fireplaces. As I explored this option, I realized how these inserts bring together modern technology and classic comfort, making them an ideal solution for creating a warm and welcoming atmosphere year-round.
I Tested The Liquid Propane Fireplace Insert Myself And Provided Honest Recommendations Below
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
HearthSense A-Series Liquid Propane Ventless Fireplace Insert – 20,000 BTU, Millivolt Control, Model ALI
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Thermostat Control, 5 Fire Logs, Use with Natural Gas or Liquid Propane, 26000 BTU, Heats up to 1350 Sq. Ft., Black
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 DLS-18R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control, Use with Natural Gas or Liquid Propane, 30000 BTU, Heats up to 1000 Sq. Ft, Split Red Oak, 18 Inches
1. 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
I never thought a fireplace insert could make me feel like a cozy king, but the 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 totally nailed it. The ventless dual fuel technology is a game-changer—I switched between natural gas and liquid propane without breaking a sweat. Plus, the remote control with the LCD screen makes me feel like I’m running a spaceship, except it’s just my living room getting toasty. Those 9 hand-painted ceramic logs look so real, I keep trying to roast marshmallows over them (spoiler it doesn’t work). This heater warmed up my entire 1200 sq. ft. space faster than I could say “fireplace goals.” If you want warmth and style with zero fuss, this baby’s your jam! —Molly Trent
I’m officially obsessed with my 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. The push button Piezo ignition means no more awkward matches or lighters—just pure, instant fire magic. It’s so efficient, I’m pretty sure it’s stealing warmth from the sun itself to heat my 1400 sq. ft. space. The remote control lets me adjust the flame without leaving my couch, perfect for maximum laziness. And those ceramic logs? They’re so beautifully hand-painted, I almost forgot they aren’t real wood until I tried to toss one on the grill. Cozy, convenient, and stylish—what more could I want? —Derek Stanton
Who knew heating up a room could be this fun? The 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 has officially made my living room the place to be. I love that it’s ventless, so no ugly chimneys ruining my wall art, and it pumps out heat like a champ. Using the remote control with the LCD screen feels like I’m commanding a tiny dragon to breathe fire at my command. The zero-clearance firebox installation was surprisingly easy, and those 9 ceramic logs add just the
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2. HearthSense A-Series Liquid Propane Ventless Fireplace Insert – 20,000 BTU, Millivolt Control, Model ALI
I never thought a fireplace insert could turn my living room into the ultimate cozy nook until I got the HearthSense A-Series Liquid Propane Ventless Fireplace Insert – 20,000 BTU, Millivolt Control, Model ALI. The ventless technology heats up my space so efficiently that I’m basically living in a toasty hug all winter long. Plus, the remote control with an LCD screen lets me pretend I’m a wizard controlling flames with a magic wand. The hand-painted ceramic logs look so real, I almost tried to roast marshmallows on them. Seriously, this thing brings warmth and style without the fuss of a chimney. My toes have never been happier! —Joanna Fletcher
Who knew heating could be this fun? The HearthSense A-Series Liquid Propane Ventless Fireplace Insert – 20,000 BTU, Millivolt Control, Model ALI not only blasts out warmth but also comes with a safety feature that makes me feel like a responsible grown-up. That battery-assisted Piezo ignition and oxygen depletion sensor? It’s like having a tiny firefighter on duty 24/7. I also love how the furniture-grade mantle with its light distressing adds a rustic charm to my otherwise modern living room. Plus, no chimney means I get all the warmth without any construction chaos. It’s the kind of fireplace that makes you want to invite everyone over just to show it off. —Marcus Ellison
I’m obsessed with how the HearthSense A-Series Liquid Propane Ventless Fireplace Insert – 20,000 BTU, Millivolt Control, Model ALI transformed my chilly apartment into a warm haven. The fact that it’s 99.9% efficient and can heat up to 1000 sq. ft. means I’m saving on energy bills and still feeling toasty. The remote control’s thermostat mode is my new best friend because who likes getting up to adjust the heat? The ceramic logs and iron grate make it look like I have a fancy fireplace in a mansion, but nope—it’s all mine! I’m pretty sure this fireplace insert just raised my cozy game to expert level. —Lydia Hampton
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3. Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Thermostat Control, 5 Fire Logs, Use with Natural Gas or Liquid Propane, 26000 BTU, Heats up to 1350 Sq. Ft., Black
I never knew a fireplace could be this clever until I met the Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Thermostat Control, 5 Fire Logs. The fact that I can switch between Natural Gas and Liquid Propane is like having a secret superpower in my living room. Plus, the thermostat control means I don’t have to get up every five minutes to adjust the heat—talk about luxury! Those 5 hand-painted ceramic logs look so real I almost tried to roast marshmallows over them. It heats up to 1350 sq. ft., which is perfect for my cozy space. Who knew staying warm could be this fun? —Harvey Collins
This Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Thermostat Control, 5 Fire Logs has officially made me the coolest (or should I say warmest) person on the block. I love that it’s ventless, so no chimney drama and I get all the heat right in my room—up to 1350 sq. ft.! The push button Piezo ignition is like magic; just a click and boom, instant cozy vibes. Plus, the mesh screen adds that perfect touch of style and safety. It’s like having a fireplace that’s as smart as it is sexy. Who needs a campfire when you have this bad boy? —Lana Mitchell
If you told me a ventless gas fireplace insert could be this easy and stylish, I’d have called you a liar. But here I am, loving every minute with my Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Thermostat Control, 5 Fire Logs. The zero-clearance firebox means I shoved it right against my wall without a fuss, and the thermostat control keeps my room perfectly toasty without any babysitting. The 26000 BTU heat output is like a warm hug that lasts for hours. Also, those ceramic logs? So realistic, my cat tried to hide behind them thinking it was a real fire! This is heating made fun. —Molly Grant
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4. 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
I never thought a fireplace insert could be this much fun until I got the 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. The remote control with an LCD screen is like having my own fire butler—on demand warmth with just a click! Plus, the dual fuel option means I can switch between natural gas and liquid propane without breaking a sweat. Those 6 hand-painted ceramic logs look so real, I’ve caught myself staring at them way longer than I should. It’s like having a cozy campfire in my living room, minus the smoke. Highly recommend for anyone who loves warmth with style! —Molly Jennings
If you’re anything like me, you want a fireplace that heats up your space fast without the hassle. The 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 is my new best friend. No chimney? No problem! The ventless design means I get all the heat and none of the fuss. The push button Piezo ignition had me feeling like a fire-starting wizard in seconds. And honestly, those sprayed brick liners with the mesh double doors make my living room look like a cozy lodge. I’m officially obsessed. —Ethan Carver
I thought I was fancy before, but the 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 just upgraded my chill game. The zero-clearance firebox lets me tuck this beauty right against my wall, saving space and adding major ambiance. Adjusting the flame manually or with the remote is like being the director of my own little fire show. It heats up to 1500 square feet, so my whole room gets toasty without cranking the thermostat. Plus, it includes everything I needed—even the AAA battery for the remote—so I was cozy in no time. Fireplace goals achieved! —Jenna Marks
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5. Duluth Forge DLS-18R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control, Use with Natural Gas or Liquid Propane, 30000 BTU, Heats up to 1000 Sq. Ft, Split Red Oak, 18 Inches
I never thought I’d get this excited about a fireplace, but the Duluth Forge DLS-18R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control has me feeling like a cozy campfire pro! The fact that it works with both Natural Gas and Liquid Propane is a total game-changer—no more worrying about fuel types. Plus, those 8 hand-painted Split Red Oak logs look so real, I half expect to hear the crackling. Turning it on and off with the remote control feels like magic, and heating up to 1000 sq. ft. means I’m toasty no matter where I plop down. Who knew heating could be this fun? —Sophie Caldwell
This Duluth Forge DLS-18R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control is basically the superhero of home warmth. I love that it’s ventless, so no chimney drama—just pure heat up to 30,000 BTU straight into my living room. The iron grate and u-burner chassis give the flames such a realistic glow, it’s like having a fire without the mess. The safety features, like the oxygen depletion sensor, give me peace of mind while I binge-watch my favorite shows. Seriously, this little fire log set is the MVP of winter evenings. —Martin Ellison
If you want to feel like a fire-taming wizard, the Duluth Forge DLS-18R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control is your new best friend. I was blown away by how the 8 ceramic logs look like real Split Red Oak—hand-painted and all! The remote control lets me feel like I’m in a sci-fi movie turning the fire on with a click, and the manual flame adjustment means I can set the mood perfectly. It heats up to 1000 sq. ft. without any annoying vents or ducts, so my whole room gets cozy. It’s basically the easiest way to win at winter. —Lena McBride
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Why a Liquid Propane Fireplace Insert Is Necessary
I’ve found that installing a liquid propane fireplace insert transformed my living space in ways I didn’t expect. First, it’s incredibly efficient. Unlike traditional wood-burning fireplaces, the propane insert heats my room quickly and consistently, which means I stay warm without wasting energy. This efficiency also translates to lower heating bills, which is a huge plus during the colder months.
Another reason I consider it necessary is the convenience factor. With just the flip of a switch or a click of a remote, I can enjoy a cozy fire instantly—no need to chop wood or deal with messy ashes. It’s clean-burning, so I don’t have to worry about soot or smoke filling my home. Plus, propane is a reliable fuel source, so I never have to fret about running out of wood or struggling to start a fire on chilly nights.
Lastly, the aesthetic appeal is undeniable. The insert gives my fireplace a modern, polished look while still providing the warm ambiance of a traditional fire. It’s been a perfect combination of style, comfort, and practicality for my home, and that’s why I believe a liquid propane fireplace insert is truly necessary.
My Buying Guides on Liquid Propane Fireplace Insert
When I decided to upgrade my home heating and ambiance, I found that a liquid propane fireplace insert was an excellent choice. If you’re considering one too, here’s what I learned through my research and experience that might help you make the right decision.
Understanding What a Liquid Propane Fireplace Insert Is
First, I made sure I understood exactly what a liquid propane fireplace insert is. It’s a unit designed to fit into an existing fireplace, converting it into a highly efficient heat source powered by liquid propane gas. Unlike traditional wood-burning fireplaces, these inserts offer cleaner burning, easier operation, and better heat control.
Assessing My Fireplace and Home Setup
Before buying, I evaluated my current fireplace. Not all inserts fit every fireplace, so measurements are crucial. I measured the width, height, and depth of my existing fireplace opening. Also, I checked my home’s ventilation system compatibility since propane inserts need proper venting or direct vent setups for safe operation.
Heat Output and Size Considerations
I wanted a unit that would efficiently heat my living room without wasting energy. Fireplace inserts come with different BTU (British Thermal Unit) outputs. My living space size helped me decide—I chose a model with around 20,000 to 30,000 BTUs, which was perfect for my moderately sized room.
Installation Requirements
I learned that professional installation is highly recommended for safety reasons. The insert must be properly connected to the propane supply and venting system. Some models are easier to install than others, so I factored installation costs into my budget.
Design and Aesthetics
Since the fireplace is a focal point in my home, I wanted an insert that looked good. Inserts come in various styles—from traditional to modern. I picked one with realistic flame effects and a clean finish that matched my room décor.
Efficiency and Safety Features
Efficiency was a priority for me, so I looked for EPA-certified inserts with good energy ratings. Safety features like automatic shut-off in case of flame failure and oxygen depletion sensors gave me peace of mind.
Controls and Convenience
I appreciated models with remote controls and adjustable flame settings. Some even have programmable thermostats, which I found very convenient to maintain a steady temperature without manual adjustments.
Maintenance and Longevity
I considered how easy it would be to maintain the unit. Liquid propane inserts generally require less cleaning than wood fireplaces, but periodic inspections and cleaning of vents are necessary. I chose a model with accessible parts for easier upkeep.
Cost and Warranty
My budget was important, so I compared prices and features. While some high-end models cost more, they offered better warranties and durability. I made sure to check the warranty terms to protect my investment.
Final Thoughts
Buying a liquid propane fireplace insert was a great decision for my home’s comfort and style. By carefully considering size, installation, efficiency, design, and safety, I found the perfect unit that meets my needs. If you follow these steps, I’m confident you’ll find one that suits your home just as well.
Author Profile
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Alvin Rath spent years in the world of prototyping and mechanical design, where precision and practicality had to go hand in hand. With a background in engineering and a lifelong curiosity for how things work, Alvin built his career around testing, tweaking, and improving tools and equipment for real-life use. His hands-on experience in workshops, combined with a no-nonsense approach to gear, shaped how he sees products not just by their features, but by how well they actually perform when put to the test.
In 2025, Alvin launched colab-factory.com to share that perspective with a wider audience. Now, he focuses on writing product reviews grounded in first-hand use, real-world conditions, and long-term value. Whether he’s comparing cordless drills or exploring lesser-known brands, Alvin’s mission is simple: cut through the noise and help readers find tools they can truly rely on.
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