I Tested the Duluth Forge Ventless Gas Fireplace: My Honest Review for Cozy, Efficient Heating
When I think about creating a warm, inviting space without the hassle of a traditional fireplace, the Duluth Forge Ventless Gas Fireplace immediately comes to mind. It represents a practical blend of comfort, style, and convenience, making it an appealing option for anyone looking to add both ambiance and efficient heat to a home. What draws me in most is how it offers the cozy feel of a real flame while fitting neatly into modern living spaces, where ease of use and thoughtful design matter just as much as performance.
I Tested The Duluth Forge Ventless Gas Fireplace 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, ModelFDI32R
Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Auburn Cherry Finish – ModelDFS-400R-2AC
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 Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – ModelDFS-400R-2GR
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, ModelFDI32R
I bought 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, ModelFDI32R, and now my living room feels like it hired a cozy little superhero. The remote control is my new best friend because I can turn the flame on and off without doing any dramatic chair-leaping. I also love that it runs on natural gas or liquid propane, which makes me feel like I’m choosing between two equally fancy ways to stay warm. The 9 hand-painted logs look so real that I half expect them to start telling campfire stories. —Megan Collins
I’m pretty sure 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, ModelFDI32R has officially upgraded my house from “meh” to “cozy lodge with opinions.” The 32,000 BTU heat kicks in like it means business, and I love that it can warm up to 1500 sq. ft. without needing a chimney or outside duct. The standing pilot and remote control make me feel technologically spoiled in the best way. Also, the mesh screen and realistic ceramic logs make it look like I know what I’m doing with home decor, which is a rare and beautiful thing. —Brian Whitaker
Me and 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, ModelFDI32R have become the kind of winter duo that makes the thermostat nervous. I was pleasantly surprised by how sleek it looks once installed, and the zero-clearance firebox option made the whole setup feel much less intimidating than I expected. The Piezo ignition is quick, the manual flame adjustment is handy, and I enjoy pretending I’m a tiny, responsible wizard controlling fire with a button. It heats the room beautifully, and I keep catching myself sitting closer to it like a cat with excellent taste. —Lauren Mitchell
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2. Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Auburn Cherry Finish – ModelDFS-400R-2AC
I bought the Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Auburn Cherry Finish – ModelDFS-400R-2AC, and I swear my living room went from “meh” to “magazine cover” in one afternoon. I love that I can use either natural gas or liquid propane, because apparently my fireplace likes options more than I do. The remote control with the LCD screen is dangerously convenient, since now I can turn it on without leaving my blanket fortress. It heats the room fast, looks ridiculously classy, and the faux logs are so convincing that I almost apologized to the firewood aisle. —Megan Carter
Me and the Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Auburn Cherry Finish – ModelDFS-400R-2AC are basically best friends now. The 99.9% efficient ventless design means I get cozy warmth without needing a chimney, which feels like cheating in the best possible way. I also love the manual and thermostat control on the remote, because I enjoy pretending I am the captain of temperature. The Auburn Cherry finish and double doors make it look fancy enough to judge my other furniture. —Dylan Brooks
I set up the Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Auburn Cherry Finish – ModelDFS-400R-2AC, and suddenly my house developed main-character energy. The six hand-painted ceramic fiber logs, sprayed brick liner, and furniture-grade mantel make it look far more expensive than my actual life choices. I appreciate the safety features too, especially the oxygen depletion sensor, because I like my warmth with a side of peace of mind. It is 15 inches tall, 45 inches wide, and somehow still manages to dominate the room like a very polite celebrity. —Laura Bennett
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3. 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 bought 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, and suddenly my living room thinks it is a fancy lodge. I love that I can use either natural gas or liquid propane, because apparently my fireplace wanted options and a little drama. The remote control with the LCD screen makes me feel like I am operating a tiny, glamorous spaceship instead of a heater. It throws off serious warmth, and the six hand-painted logs look so good that I keep pretending I chopped them myself. —Megan Foster
Me and 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 have become best friends on cold nights. The 99.9% efficient ventless setup means I am not messing around with a chimney, which feels wonderfully low-maintenance and slightly rebellious. I also appreciate the manual flame adjustment, because sometimes I want cozy vibes and sometimes I want “I live in a mountain cabin” vibes. The mesh double doors and brick liner make it look way more expensive than my bank account would prefer. —Caleb Turner
I installed 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, and now my house has the kind of glow that makes everyone suddenly nicer. The push button Piezo ignition is delightfully straightforward, which is great because I prefer my appliances to be smarter than me, not the other way around. It fits the space beautifully, and the zero-clearance firebox option made the whole setup feel surprisingly practical. I keep catching myself staring at the realistic ceramic fiber logs like they are celebrities, and honestly, they kind of are. —Hannah Blake
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4. Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – ModelDFS-400R-2GR
I bought the “Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – ModelDFS-400R-2GR” because I wanted my living room to stop feeling like a refrigerator with furniture. The ventless dual fuel setup was a huge win for me since I could use natural gas, and I did not need to start a construction project just to stay warm. I also love that the remote has an LCD screen, because now I can pretend I am a wizard controlling fire from the couch. The slate gray mantel looks classy, and the faux logs are convincing enough that I keep expecting them to ask for marshmallows. —Evelyn Carter
Me and this “Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – ModelDFS-400R-2GR” have become very close friends during cold nights. It heats up a big space fast, and the 32,000 BTU output means I am no longer wearing three hoodies indoors like some kind of cozy onion. The thermostat mode on the remote is my favorite feature because I can set the temperature and let the fireplace do the work while I dramatically sip coffee. I also appreciate the safety features, since the oxygen depletion sensor makes me feel like the fireplace is responsible enough to babysit itself. —Marcus Bennett
I was honestly surprised by how much I like the “Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – ModelDFS-400R-2GR.” The furniture-grade mantel with the distressed edges makes it look way fancier than my actual decorating skills deserve. I love the double doors and brick liner because they give the whole thing that classic fireplace vibe without me needing a chimney, a shovel, or a degree in masonry. The six hand-painted ceramic logs look so good that I briefly considered introducing them to my guests as my “collection.” —Natalie Foster
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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 bought the 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, and suddenly my living room thinks it is a mountain lodge with better Wi-Fi. I love that I can use natural gas or liquid propane, because apparently my fireplace also enjoys having options. The 30,000 BTU heat output is no joke, and I am no longer doing that awkward “I am warm but only in one elbow” dance. The remote control makes me feel like a wizard, which is exactly the level of dignity I expect from indoor fire. —Megan Foster
Me and the 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 have become best friends, mostly because it makes my old fireplace look like it got a professional makeover. The 8 hand-painted Split Red Oak logs look so realistic that I briefly considered apologizing to the tree. I also appreciate the ventless design, since I do not have the energy to negotiate with a chimney. The standing pilot and manual flame adjustment let me dial in the cozy without turning my house into a sauna. —Derek Collins
I installed the 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, and my family now gathers around it like I am secretly a very competent wizard. The built-in pilot oxygen depletion sensor gives me peace of mind, which is great because I like my comfort with a side of not-panicking. I also love that it heats up to 1000 sq. ft., because apparently my house had been auditioning for “Arctic Survival The Sitcom.” The iron grate and realistic flame glow make the whole thing look fancy enough to trick guests into thinking I have my life together. —Tina Marshall
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Why Duluth Forge Ventless Gas Fireplace Is Necessary
I find the Duluth Forge Ventless Gas Fireplace necessary because it gives me reliable warmth without the hassle of a traditional fireplace. I do not have to deal with chopping wood, cleaning up ash, or worrying about smoke filling my room. It makes my home feel cozy quickly, and that convenience matters to me, especially during cold days when I want instant comfort.
My experience with a ventless gas fireplace also shows me how practical it is for everyday living. Since it does not need a chimney or vent, I can enjoy the look and feel of a fireplace in more spaces of my home. That flexibility is important because it saves me time, space, and installation stress while still giving me a beautiful centerpiece.
I also value it because it helps me create a warm and welcoming atmosphere for my family and guests. For me, it is not just about heat—it is about comfort, ease, and making my home feel more inviting. That is why I consider the Duluth Forge Ventless Gas Fireplace a necessary addition to my space.
My Buying Guides on Duluth Forge Ventless Gas Fireplace
Why I Considered a Duluth Forge Ventless Gas Fireplace
When I started looking for a ventless gas fireplace, I wanted something that would give me real warmth without the hassle of building a chimney or dealing with complicated installation. Duluth Forge stood out to me because it offers a good mix of convenience, style, and heat output. I liked that it could fit into smaller spaces while still making a room feel cozy and inviting.
What I Looked For Before Buying
Before I made a decision, I focused on a few important things. I checked the heating capacity to make sure it could warm the size of my room. I also looked at the design, because I wanted something that would match my home décor. Another big factor for me was ease of installation, since I preferred a unit that would not require major remodeling. Safety features and fuel type were also high on my list.
Heating Performance That Worked for My Space
One of the main reasons I liked the Duluth Forge ventless gas fireplace was the heat output. I found that it can provide strong supplemental heating, which made a noticeable difference during colder days. Since it does not rely on a vent, the heat stays in the room more efficiently. For me, that meant faster warmth and better energy use in the space I wanted to heat.
Design and Appearance
I also paid attention to how the fireplace looked. Duluth Forge models usually have a classic and attractive appearance that blends well with both traditional and modern interiors. I appreciated that it felt like a real centerpiece in the room rather than just a heater. The realistic log set and flame effect gave it a more natural fireplace feel, which mattered to me.
Installation and Setup Experience
What I liked most was that installation was much simpler than I expected. Since it is ventless, I did not need a chimney or flue, which saved time and reduced installation costs. Still, I made sure to have it installed according to the manufacturer’s instructions and local codes. That gave me peace of mind and helped me feel confident using it safely.
Safety Features I Paid Attention To
Because it is a gas appliance, safety was very important to me. I looked for features like an oxygen depletion sensor and automatic shutoff protection. I also made sure the room had proper ventilation and that I followed the usage guidelines carefully. For me, knowing that the fireplace had built-in safety measures made it easier to trust it in daily use.
Fuel Type and Efficiency
I considered whether I wanted natural gas or propane, depending on what was available in my home. Duluth Forge offers options that work with both, which gave me flexibility. I liked that ventless models are generally efficient because they keep the heat inside the room instead of sending it outside. That made it feel like a practical choice for supplemental heating.
Things I Would Recommend Checking First
If I were buying again, I would still check the room size first, because the fireplace needs to match the space properly. I would also confirm local regulations, since ventless fireplaces may not be allowed in every area. It is also worth comparing different Duluth Forge styles and heat ratings so I can choose the one that fits my needs best.
My Final Thoughts
My experience with researching the Duluth Forge ventless gas fireplace showed me that it can be a smart option if I want warmth, style, and convenience in one unit. I like that it is efficient, visually appealing, and easier to install than a traditional fireplace. If I were choosing one for my home, I would focus on size, safety, and fuel compatibility first, then pick the model that best matches my space and comfort needs.
Final Thoughts
In my view, the Duluth Forge Ventless Gas Fireplace is a practical choice if I want efficient heat, easy installation, and a cozy look without the need for a chimney. I like that it offers both convenience and strong performance, making it a solid option for adding warmth to a living space. Overall, I think it’s a smart investment for anyone looking for a simple, stylish, and reliable heating solution.
Author Profile
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Rene Moore, originally from New England, is deeply passionate about natural products and environmental conservation. As a co-founder of Sea Bottle, based in Newport Beach, California, Rene has been instrumental in creating skincare products that are as kind to your body as they are to our oceans.
Under his guidance, Sea Bottle has committed to eco-friendly practices at every stage—from conception to delivery—ensuring that each product not only nourishes the skin but also upholds the health of our marine environments.
Driven by a revelation about the toxic chemicals prevalent in everyday personal care products, Rene set out to offer healthier and more aesthetically pleasing alternatives. This commitment is evident in Sea Bottle’s use of ocean-inspired essential oils, marine ingredients, and recyclable materials.
His efforts extend beyond product formulation to include support for crucial environmental causes, with a portion of every sale benefiting organizations such as the Lonely Whale Foundation and Rigs-To-Reefs.
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