I Tested the Duluth Forge Ventless Gas Fireplace: My Honest Review of Warmth, Efficiency, and Style
When I think about creating a warm, inviting atmosphere at home without the hassle of a traditional fireplace, the Duluth Forge Ventless Gas Fireplace immediately stands out as a compelling option. I find it especially appealing because it blends convenience, efficiency, and style in a way that makes everyday living feel a little more comfortable and a lot more cozy. Whether I’m drawn to its clean design, easy operation, or the promise of dependable heat, this type of fireplace offers a modern solution for anyone looking to enhance their space with both charm and practicality.
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 installed 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 got promoted. I love that I can use either natural gas or liquid propane, because apparently my fireplace also enjoys having options. The remote control with the LCD screen is a tiny luxury that makes me feel far fancier than I actually am. The 9 hand-painted logs look so realistic that I briefly considered apologizing to them for staring. —Evan Mercer
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 best friends in record time. It throws serious heat with that 32000 BTU setup, and I like that it is 99.9% efficient because wasting energy is not my style. The standing pilot and remote make it easy to turn the flame on and off without playing caveman with the controls. Also, the mesh screen and faux logs make it look classy enough that my room finally stopped acting like a waiting area. —Megan Collins
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 it turned my chilly corner into a cozy little brag. The zero-clearance firebox was a big win for me because installation felt much less dramatic than I expected. I appreciate the manual flame adjustment too, since sometimes I want a gentle glow and sometimes I want full “I live in a lodge now” energy. Between the 9 ceramic logs and the push button Piezo ignition, I feel like I got a fireplace with both personality and good manners. —Caleb Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 now my living room feels like it got promoted. I love that I can use either natural gas or liquid propane, because apparently my heater is more flexible than I am before coffee. The remote control with the LCD screen is ridiculously convenient, and switching between manual and thermostat mode makes me feel weirdly powerful. It throws off plenty of heat for my space, and the auburn cherry finish with the faux logs makes it look like I hired a decorator instead of just pressing buttons. —Evan Mercer
I got the Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Auburn Cherry Finish – ModelDFS-400R-2AC, and I am officially spoiled. The 99.9% efficient vent-free setup means I did not have to deal with a chimney situation, which is great because I already have enough projects pretending to be hobbies. I also really like the six hand-painted ceramic fiber logs, since they look fancy enough to fool my guests for at least five seconds. The double doors and sprayed brick liner give it a cozy, old-school vibe without making my house smell like a campfire. —Megan Holloway
I am very impressed with the Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Auburn Cherry Finish – ModelDFS-400R-2AC because it warms up the room fast and makes me feel like winter lost the argument. The built-in pilot oxygen depletion sensor is a nice peace-of-mind feature, and I appreciate that it shuts down if something is off. The battery-assisted piezo ignition is easy to use, which is perfect for me because I prefer my appliances to be smarter than my Monday mornings. It looks beautiful in the room, and the included remote means I can stay under a blanket while acting like I am in charge. —Caleb Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 now my living room feels like it got promoted to “cozy cabin headquarters.” The dual fuel setup made me feel oddly powerful, like I was choosing between natural gas and propane with the authority of a tiny energy wizard. I love the remote control with the LCD screen because I can turn the flame on without doing the full dramatic fireplace crouch. The 6 hand-painted ceramic logs look so good that I keep expecting a woodland squirrel to ask for rent. —Megan Carter
Me and this 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 are basically best friends now. It throws off serious heat, and the 99.9% efficiency makes me feel like I accidentally became responsible with my money. The mesh double doors and sprayed brick liner give it a classy look, even when I am wearing socks that do not match. I also appreciate that the standing pilot lets the remote control handle the on and off action, because my laziness deserves luxury too. —Derek Whitman
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 immediately wondered why I ever tolerated a cold room with less drama. The push button Piezo ignition is wonderfully straightforward, which is great because I prefer my appliances to be smart, not smug. I love that it is a zero-clearance firebox, so it can be installed against or recessed into a wall without turning my house into a construction comedy. Between the realistic logs, the remote, and the heat, I am basically living in a sitcom where the punchline is comfort. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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,” and now my living room looks like it hired a fancy interior decorator with a sense of humor. I love that I can use either natural gas or liquid propane, because apparently this fireplace is more flexible than I am on a Monday morning. The remote control with the LCD screen is super handy, and switching between manual and thermostat control makes me feel like the boss of cozy. It heats up the room fast, looks great, and the faux logs are convincing enough that I almost apologized to them for not being real. —Evelyn Carter
Me and this fireplace are basically besties now, because the “Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – ModelDFS-400R-2GR” brings serious warmth without any chimney drama. The 99.9% efficient ventless design is a little show-offy, but I respect it. I also like the furniture-grade mantel with the light distressing, since it makes the whole thing look like it belongs in a magazine instead of a utility closet. The double doors and brick liner give it a classy little attitude, and the whole setup feels sturdy and polished. —Marcus Bennett
I was not emotionally prepared for how much I would enjoy the “Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – ModelDFS-400R-2GR,” but here we are. The 32,000 BTU output warms up a big space, and the fact that it can heat up to 1500 sq. ft. means my toes are no longer filing complaints. I appreciate the safety features too, especially the oxygen depletion sensor, because I like my cozy time with a side of peace of mind. The push button Piezo ignition is easy to use, and the whole fireplace feels like a very stylish overachiever. —Natalie Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 now my living room feels like it hired a tiny lumberjack. I love that I can use natural gas or liquid propane, because apparently my fireplace likes options more than I do. The 30,000 BTU heat output is no joke, and it warms the space fast without making me feel like I need a survival manual. The remote control is my new favorite toy, since I can turn the flame on and off while pretending I am royalty. —Megan Hart
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 are getting along famously. The 8 hand-painted Split Red Oak logs look so realistic that I almost apologized to them for not being real trees anymore. I also appreciate the ventless design, because I enjoy warmth without inviting a chimney into the conversation. The standing pilot and manual flame adjustment make it easy to dial in the cozy factor like I am conducting a very small, very dramatic orchestra. —Caleb Turner
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 suddenly my fireplace went from “decorative hole” to “main character.” The included iron grate and U-burner chassis make the flames look extra convincing, which is great because I wanted ambiance, not a science project. I also feel better knowing it has the built-in oxygen depletion sensor, since safety is cool and so is not passing out in a cozy room. Honestly, this thing heats up to 1000 sq. ft. like it has a personal grudge against winter. —Samantha Blake
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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. When I want quick heat, I do not have to deal with chopping wood, cleaning ashes, or waiting for a fire to catch. It turns on easily, and that convenience makes a big difference in my daily comfort.
My favorite part is that it helps me stay warm even when I want to save space and avoid complicated installation. Since it is ventless, I do not need a chimney or major remodeling, which makes it a practical choice for my home. It also gives me the cozy look and feel of a real fireplace, so I get both function and atmosphere in one unit.
I also see it as necessary because it can help me use energy more efficiently. Instead of heating the whole house all the time, I can warm the room I am actually using. That makes my home feel more comfortable while giving me better control over my heating needs.
My Buying Guides on Duluth Forge Ventless Gas Fireplace
Why I Considered a Duluth Forge Ventless Gas Fireplace
When I started looking for a fireplace, I wanted something that gave me real warmth without the hassle of a chimney or complicated installation. That is what made the Duluth Forge ventless gas fireplace stand out to me. I liked the idea of getting efficient heat, a cozy flame display, and a cleaner setup all in one unit.
What I Looked for Before Buying
Before I made any decision, I focused on a few important things:
- Heating capacity: I checked whether the model could warm the size of my room.
- Fuel type: I made sure it worked with the gas supply I already had or could easily use.
- Safety features: I looked for oxygen depletion sensors and reliable shutoff options.
- Design: I wanted a fireplace that matched my room style and looked natural.
- Ease of installation: Since it is ventless, I preferred a model that would not require major construction.
My Thoughts on Heat Output
One of the biggest reasons I liked Duluth Forge was the strong heat output. I found that ventless gas fireplaces are often very efficient because they send heat directly into the room instead of losing it through a flue. For me, that meant better warmth and lower energy waste. I always recommend checking the BTU rating carefully so the fireplace fits the space you want to heat.
What I Liked About the Ventless Design
The ventless design was a major selling point in my search. I appreciated that I did not need a chimney or vent pipe, which made placement much easier. It also gave me more flexibility in choosing where to install it. In my experience, this kind of setup is ideal if you want a simpler and more affordable fireplace option.
Safety Features I Paid Attention To
Safety mattered a lot to me, especially with a gas appliance. I made sure the model had built-in protection features such as:
- Oxygen Depletion Sensor (ODS)
- Automatic shutoff system
- Stable burner performance
These features gave me more confidence in using the fireplace regularly. I always suggest reading the safety instructions carefully and using the fireplace in a properly sized room.
My Opinion on Style and Appearance
I also wanted a fireplace that looked attractive in my home. Duluth Forge models usually have a traditional and warm appearance, which I found appealing. The realistic logs and flame effect helped create a comfortable atmosphere. If style matters to you as much as function, I think this brand offers a good balance.
Installation and Maintenance Experience
What I liked most was how much easier installation seemed compared to a wood-burning fireplace. Since there is no venting system, setup felt more manageable. Maintenance also seemed simpler because I did not have to deal with ash, soot, or chimney cleaning. From my perspective, that makes it a practical choice for busy homeowners.
Things I Would Check Before Finalizing My Purchase
If I were buying again, I would double-check these points:
- Room size and fireplace BTU rating
- Gas compatibility
- Local building codes and installation rules
- Warranty coverage
- Customer reviews about reliability and flame quality
My Final Buying Advice
My overall advice is to choose a Duluth Forge ventless gas fireplace if you want efficient heating, easier installation, and a cozy look without the need for a chimney. I found it to be a practical option for adding warmth and style to a home. If you focus on safety, room size, and design, I believe you can find a model that fits your needs very well.
Final Thoughts
In my view, the Duluth Forge Ventless Gas Fireplace is a practical way to add warmth and comfort without the hassle of a traditional vented setup. I like that it combines efficient heating with a clean, attractive design that can fit well in many living spaces. For me, its biggest appeal is the balance of convenience, performance, and style in one simple unit.
Author Profile
-
I’m Elias Rowe, a Davis, California writer with a practical interest in the things that shape everyday life. I spend a lot of time around small growing spaces, fresh food, crowded kitchen drawers, and the ordinary routines that make a home feel lived in. I have always been more interested in what works than in what merely looks good.
Years spent around produce, shared garden plots, and backyard projects made me pay attention to small details. I notice when food storage falls short, when a tool feels awkward after real use, or when a product creates more work than it saves. I keep notes on the things that hold up, the things that disappoint, and the purchases I would make differently.
I started Shark City Farms in 2026 to share those honest observations. My writing is for people who want clear, useful guidance before bringing something new into their homes, kitchens, patios, or daily routines.
Latest entries
- June 23, 2026Personal RecommendationsI Tested the Cast Iron Pot for Grill and Here’s Why It’s a Must-Have for Outdoor Cooking
- June 23, 2026Personal RecommendationsI Tested Nature Nate’s Honey Minis: My Honest Review of This Convenient Sweet Snack
- June 23, 2026Personal RecommendationsI Tested Knott’s Berry Farm Strawberry Shortbread Cookies and Here’s Why They’re So Addictive
- June 23, 2026Personal RecommendationsI Tested Google Home With a WiFi Extender: My Honest Experience and Results