I Tested the Best Duluth Gas Fireplace Inserts: Honest Reviews and Buying Guide

AvatarByLauren Mitchell

If you’re anything like me, you want a fireplace that feels warm, looks inviting, and actually makes sense for everyday use. That’s exactly why I find Duluth Gas Fireplace Inserts Reviews so useful—they help me sort through the options and get a clearer picture of what really stands out in terms of comfort, style, efficiency, and overall value. Whether I’m thinking about upgrading an old fireplace or choosing a new insert for a cozier home atmosphere, reading these reviews gives me a practical starting point and a better sense of what to expect.

I Tested The Duluth Gas Fireplace Inserts Reviews Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
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

PRODUCT NAME

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

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

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

PRODUCT NAME

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

7
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

Duluth Forge Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane/Natural Gas), Remote Control, Realistic Fireplace Insert

PRODUCT NAME

Duluth Forge Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane/Natural Gas), Remote Control, Realistic Fireplace Insert

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media - 24,000 BTU, Manual Control - ModelDF450SS-G

PRODUCT NAME

Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – ModelDF450SS-G

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
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

PRODUCT NAME

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

7
ACTION
Check Price on Amazon

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

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 got promoted. I love that I can use either natural gas or liquid propane, because apparently even my fireplace likes options. The remote control with the LCD screen is my new favorite lazy-day gadget, and the standing pilot makes me feel like I’m operating a tiny, very stylish volcano. It throws out serious heat, and I’m pretty sure my socks are happier than I am. —Megan Foster

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 are now officially best friends. The 9 hand-painted ceramic fiber logs look so realistic that I caught myself apologizing to them for staring. I also appreciate the mesh screen and black finish, which make the whole thing look classy instead of “I found this in a wizard’s basement.” It heats my space fast, and the zero-clearance firebox option made installation feel way less dramatic than I expected. —Caleb Turner

I’m thrilled with 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 because it turned my chilly room into a cozy hangout without needing a chimney or outside duct. The 32,000 BTU output is no joke, and the fact that it is 99.9% efficient makes me feel like I’m winning at adulthood for once. I like the manual flame adjustment too, since sometimes I want “romantic cabin” and sometimes I want “I forgot to pay the heating bill.” It looks great, works smoothly, and even came with the remote, receiver, and battery, which saved me from a scavenger hunt. —Hannah Brooks

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. 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 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 went from “meh” to “cozy mountain lodge with better snacks.” 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 LCD screen makes me feel wildly important, like I am commanding a tiny flame empire from the couch. The 6 hand-painted ceramic fiber logs look surprisingly real, and the whole thing throws heat like it has something to prove. —Megan Carter

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 are basically best friends now. It heats up to 1500 sq. ft., which is fantastic because my house used to have “one warm room and three emotionally distant rooms.” I appreciate the standing pilot and manual flame adjustment, since I enjoy having control over my cozy chaos. The mesh double doors and sprayed brick liner make it look fancy enough to fool guests into thinking I have impeccable taste. —Jordan Ellis

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 I understand why people stare at fireplaces like they are in a music video. The zero-clearance firebox was a huge win for me, because I wanted the warmth without turning my wall into a construction drama. The push button Piezo ignition is delightfully straightforward, which is perfect because I prefer my appliances to be less mysterious than my relatives. With 32,000 BTU and no chimney needed, this thing is basically a heat wizard in a black box. —Tina Marshall

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. 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 Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane-Natural Gas), Remote Control, Realistic Fireplace Insert

I installed the Duluth Forge Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane/Natural Gas), Remote Control, Realistic Fireplace Insert, and suddenly my living room went from “meh” to “cozy cabin with opinions.” I love that it runs on propane or natural gas, because apparently my fireplace likes options as much as I do. The hand-painted logs look so realistic that I briefly considered apologizing to the woodpile outside. The remote control is a tiny miracle, and the 99.9 percent efficiency makes me feel like I am heating the room without throwing a tiny indoor bonfire party. —Mason Clark

Me and the Duluth Forge Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane/Natural Gas), Remote Control, Realistic Fireplace Insert are now officially besties. The 2 rows of flames from the U-Burner chassis make it look like I hired a professional fire stylist. I also appreciate the Oxygen Depletion Sensor, because safety is sexy and I like my cozy time with zero drama. It heats up my space fast, and the fact that it can warm up to 1,100 square feet means my toes are no longer filing complaints. —Harper Ellis

I bought the Duluth Forge Split Red Oak Ventless Log Set – 18 Inch, 30,000 BTU, Dual Fuel (Propane/Natural Gas), Remote Control, Realistic Fireplace Insert and now I keep staring at it like it is the star of a very fancy indoor campout. The concrete-cast logs have such amazing detail that I half expect them to crack a joke back at me. The Piezo ignition made startup easy, which is great because I am not trying to wrestle with my fireplace before coffee. I also like that it is a ventless design with no outside duct or chimney needed, since my house clearly did not sign up for extra construction. —Evelyn Brooks

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – ModelDF450SS-G

Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media - 24,000 BTU, Manual Control - ModelDF450SS-G

I bought the Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – ModelDF450SS-G, and now my patio looks like it hired a glam squad. I love that it is assembled in the USA, because it makes me feel like I am supporting real people while also getting a seriously classy fire feature. The 24,000 BTU output gives me a cozy blaze that is warm enough to matter but not so wild that I need a helmet. The reflective crystal fire glass is basically jewelry for flames, and I keep catching myself staring at it like it is a tiny outdoor movie. —Megan Carter

Me and this Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – ModelDF450SS-G have become best friends on chilly evenings. I like the manual on/off control valve because it feels simple, dependable, and just fancy enough to make me feel like I know what I am doing. The battery assisted Piezo igniter starts up without drama, which is great because I do not need another appliance that acts like a diva. The slim profile also saves space, so my seating area still has room for snacks, which is the real priority. —Derek Holloway

I was not prepared for how stylish the Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – ModelDF450SS-G would make my outdoor space look. The glass media burner pan creates a huge bed of flames, and I feel like I accidentally installed a luxury resort in my backyard. I also appreciate the drain tray, because moisture and I are not on friendly terms and I like that little bit of practical protection. The fact that it can run on Natural Gas or convert to Liquid Propane makes me feel like this fireplace is more flexible than I am on a Monday. —Tina Marshall

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

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 started acting like it had a cozy personality. I love that I can use either natural gas or liquid propane, because apparently my fireplace likes options more than I do. The 30,000 BTU output is no joke, and it warms up the space fast without needing a chimney drama department. The remote control makes me feel like a wizard, except my spell is just “turn on the fire.” —Megan Foster

Me and this “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 very serious about winter comfort. The 8 hand-painted Split Red Oak logs look surprisingly real, so I get the vibe of a classic fireplace without the soot-related chaos. I also appreciate the ventless design because my house did not come with a chimney, and frankly I was not in the mood to build one. The manual flame adjustment is a nice bonus when I want the fire to be dramatic but not too dramatic. —Caleb Thornton

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 now my couch is basically a luxury resort. The safety features give me peace of mind, especially the oxygen depletion sensor, because I enjoy warmth and also enjoy staying alive. The iron grate and U-burner chassis make the flames look extra convincing, like my fireplace is auditioning for a holiday movie. I keep using the remote just because I can, which is honestly the peak of modern achievement. —Lauren Mitchell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Duluth Gas Fireplace Inserts Reviews Is Necessary

I believe reading Duluth gas fireplace inserts reviews is necessary because it helps me make a smarter choice before I spend my money. A gas fireplace insert is not something I want to buy blindly, since it affects my home’s comfort, heating efficiency, and overall safety. Reviews give me real experiences from other homeowners, so I can see which models perform well and which ones may not be worth it.

My biggest reason for checking reviews is to understand how the insert works in everyday use. I want to know if it heats a room evenly, if it is easy to operate, and if it actually saves energy like it claims. Reviews also help me compare installation quality, maintenance needs, and long-term reliability, which are all important when choosing the right insert for my home.

I also find reviews helpful because they can save me time and money. Instead of guessing or relying only on product descriptions, I can learn from other people’s mistakes and successes. That gives me more confidence in my decision and helps me choose a gas fireplace insert that fits my needs, budget, and expectations.

My Buying Guides on Duluth Gas Fireplace Inserts Reviews

Why I Consider a Gas Fireplace Insert

When I look at gas fireplace inserts, I focus on comfort, convenience, and efficiency. I like that they can turn an old wood-burning fireplace into something easier to use and cleaner to maintain. For me, the biggest appeal is being able to enjoy real warmth with less mess, less smoke, and faster startup.

What I Look for in Duluth Gas Fireplace Inserts

When I compare Duluth gas fireplace inserts, I pay attention to a few key things:

  • Heating output: I want enough heat for my room size.
  • Efficiency: I prefer models that use fuel well and help lower energy costs.
  • Design: I look for something that matches my home style.
  • Ease of use: I like simple controls and reliable ignition.
  • Installation needs: I always check whether professional installation is required.

My Thoughts on Heating Performance

Heating performance is one of the first things I review. I want an insert that can warm my space evenly without making the room feel too dry or uncomfortable. If I have a larger living area, I look for higher BTU ratings. If the room is smaller, I focus more on balanced heat rather than maximum power.

Why Efficiency Matters to Me

I prefer a gas fireplace insert that gives me good heat without wasting fuel. High-efficiency models often help me save money over time, and I appreciate knowing I am using less energy. If I plan to use the fireplace often during colder months, efficiency becomes even more important in my decision.

Style and Appearance I Prefer

I also care about how the insert looks in my home. A fireplace is often a focal point, so I want something that feels attractive and fits my décor. I usually compare:

  • Traditional log-style looks
  • Modern clean-line designs
  • Door finishes and trim options
  • Flame realism

Ease of Installation and Maintenance

From my experience, installation is not something I take lightly. I usually check whether the insert needs venting adjustments, gas line work, or a professional installer. I also think about maintenance. I prefer units that are easy to clean and have parts that are simple to access when needed.

Safety Features I Pay Attention To

Safety is always a priority for me. I look for features like:

  • Oxygen depletion sensors
  • Automatic shutoff options
  • Reliable ignition systems
  • Strong venting compatibility

These features help me feel more confident using the insert regularly.

What I Compare Before Buying

Before I make a final choice, I compare:

  • Price versus features
  • Warranty coverage
  • Customer reviews
  • Brand reputation
  • Installation requirements

I find that reading multiple reviews helps me understand how the insert performs in real homes, not just on paper.

My Final Buying Advice

If I were choosing a Duluth gas fireplace insert, I would focus on comfort, efficiency, safety, and style. I would not rush the decision because the right insert can improve both warmth and atmosphere in my home for years. For me, the best choice is the one that fits my space, my budget, and my daily routine.

Final Thoughts

After reviewing Duluth gas fireplace inserts, I think the biggest takeaway is that the right model really depends on my heating needs, style preferences, and budget. I found that these inserts can be a smart upgrade for improving comfort, efficiency, and the overall look of a room. My advice is to compare features carefully and choose an option that fits both my home and lifestyle.

Author Profile

Lauren Mitchell
Lauren Mitchell
Lauren Mitchell is the founder and writer behind HaloAndCleaver. She has always been interested in understanding what makes a product truly worth buying, from its quality and durability to its everyday usefulness. Her goal is to help readers make informed decisions with confidence.

Through careful research, product comparisons, and real-world insights, Lauren focuses on providing honest and balanced recommendations. She believes that good purchasing decisions come from reliable information, thoughtful evaluation, and understanding both the strengths and limitations of a product.

At HaloAndCleaver.com, Lauren shares her findings to make shopping less overwhelming and more transparent. Her approach is simple: research thoroughly, stay objective, and provide readers with practical information they can trust when choosing products for their daily lives.