Independent fireplace buyer's guide
Duluth Forge Fireplaces
Compare ventless mantel fireplaces by model, fuel, BTU, controls and current Amazon offers.
Explore 26,000- and 32,000-BTU fireplaces, natural-gas-only options and project-specific outdoor models.
Disclosure: As an Amazon Associate I earn from qualifying purchases. Availability and seller offers can change at any time.
Popular Duluth Forge Fireplaces
Listings with stronger recent Amazon offer signals appear first; availability is not guaranteed. Confirm the selected ASIN, seller, fuel, finish, control package and installation requirements before ordering.
DFS-300LR-3AC · B0FHJBDKXV
Duluth Forge DFS-300LR-3AC: 26,000-BTU Propane Auburn Cherry Remote Fireplace
A liquid-propane-only ventless fireplace with an Auburn Cherry mantel and remote thermostatic control. The complete indoor system is rated at 26,000 BTU.
- Output
- 26,000 BTU
- Fuel
- Liquid propane only
- Control
- Remote
- Finish
- Auburn cherry
Liquid propane only; confirm the seller and included remote package.
DFS-400R-2AS · B075ZL34YW
Duluth Forge DFS-400R-2AS: 32,000-BTU Apple Spice Remote Fireplace
A 32,000-BTU dual-fuel ventless fireplace with an Apple Spice mantel and remote operation for an approved indoor installation.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Apple spice
Confirm the current seller, selected variation and delivery.
DFS-300NT-3WT · B0FH7KX8YF
Duluth Forge DFS-300NT-3WT: 26,000-BTU Natural Gas White Thermostat Fireplace
A natural-gas-only ventless fireplace with a white furniture-grade mantel and built-in thermostat control. The complete system is rated at 26,000 BTU.
- Output
- 26,000 BTU
- Fuel
- Natural gas only
- Control
- Built-in thermostat
- Finish
- White
Natural gas only; do not assume propane compatibility.
DFS-300NR-3AC · B0H77629QY
Duluth Forge DFS-300NR-3AC: 26,000-BTU Natural Gas Auburn Cherry Remote Fireplace
A natural-gas-only ventless fireplace combining a 26,000-BTU firebox, remote thermostatic control and an Auburn Cherry mantel.
- Output
- 26,000 BTU
- Fuel
- Natural gas only
- Control
- Remote
- Finish
- Auburn cherry
Natural gas only; confirm the receiver and remote are included.
DF450SS-G · B07YLGT2YX
Duluth Forge DF450SS-G: 24,000-BTU Stainless Outdoor Fireplace Insert
A project-specific stainless outdoor gas insert with reflective crystal glass and manual controls. This is not an indoor mantel fireplace.
- Output
- 24,000 BTU
- Fuel
- Natural gas; verify LP kit
- Control
- Manual
- Format
- Outdoor stainless insert
Confirm outdoor approval and exact fuel configuration.
DFS-300R-2AW · B07XS8BR86
Duluth Forge DFS-300R-2AW: 26,000-BTU Antique White Remote Fireplace
A dual-fuel ventless mantel fireplace with antique-white styling and remote operation. The 300-series configuration is rated at 26,000 BTU.
- Output
- 26,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Antique white
Confirm the current offer and selected finish.
DFS-400R-2W · B075ZGSYYP
Duluth Forge DFS-400R-2W: 32,000-BTU Walnut Remote Fireplace
A larger-output dual-fuel fireplace with walnut mantel styling and remote controls for an approved vent-free installation.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Walnut
Verify the seller, remote package and delivery.
DFS-300NR-3GR · B0FHJ898Q9
Duluth Forge DFS-300NR-3GR: 26,000-BTU Natural Gas Slate Gray Fireplace
A natural-gas-only mantel fireplace with slate-gray styling. The N designation identifies the fuel-specific configuration; do not assume dual-fuel compatibility.
- Output
- 26,000 BTU
- Fuel
- Natural gas only
- Control
- Remote; verify package
- Finish
- Slate gray
Natural gas only; verify the selected Amazon variant.
DFS-400R-2AC · B01LXD0TUA
Duluth Forge DFS-400R-2AC: 32,000-BTU Auburn Cherry Remote Fireplace
A 400-series dual-fuel mantel fireplace with an auburn-cherry finish and remote-controlled operation.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Auburn cherry
Check current seller and included controls.
DFS-400R-2GR · B07XS98986
Duluth Forge DFS-400R-2GR: 32,000-BTU Slate Gray Remote Fireplace
A slate-gray 400-series fireplace combining dual-fuel capability, a furniture-style mantel and remote control.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Slate gray
Verify the mantel finish and current offer.
DFS-400R-1AT · B015AFCDN6
Duluth Forge DFS-400R-1AT: 32,000-BTU Autumn Spice Remote Fireplace
Amazon identifies this listing as a complete autumn-spice mantel fireplace with 32,000 BTU and remote control, not an unspecified insert.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Autumn spice
Complete mantel fireplace; confirm the seller package.
Model requires verification · B0FHJBM8HX
Duluth Forge B0FHJBM8HX: Natural Gas Ventless Mantel Fireplace
A natural-gas mantel-fireplace listing whose exact model, output and control package must be confirmed on the selected Amazon offer.
- Output
- Verify on Amazon
- Fuel
- Natural gas; verify
- Control
- Verify selected offer
- Format
- Mantel fireplace
Do not assume BTU, remote control or dual-fuel operation.
Model requires verification · B075ZDR9Y3
Duluth Forge B075ZDR9Y3: 26,000-BTU Walnut Thermostat Fireplace
A walnut-finish dual-fuel mantel fireplace with integrated thermostat operation; a handheld remote should not be assumed.
- Output
- 26,000 BTU
- Fuel
- Natural gas or propane
- Control
- Built-in thermostat
- Finish
- Walnut
Exact manufacturer model was not independently confirmed.
Model requires verification · B075ZHV31X
Duluth Forge B075ZHV31X: 32,000-BTU Heritage Thermostat Fireplace
A larger-output Heritage-finish mantel listing identified with thermostat-style controls rather than an assumed handheld remote.
- Output
- 32,000 BTU; verify
- Fuel
- Natural gas or propane
- Control
- Thermostat; verify
- Finish
- Heritage
Confirm the current model, output and control package.
FDF400T-ZC · B075ZJCG3N
Duluth Forge FDF400T-ZC: 32,000-BTU Dual-Fuel Ventless Fireplace
A 32,000-BTU zero-clearance-family fireplace listing. Because retailer descriptions conflict about controls, verify the included control package.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Verify current listing
- Format
- Fireplace system
Model and controls can vary across retailer descriptions.
FDF400RT-ZC listing · B075ZK8151
Duluth Forge FDF400RT-ZC: 32,000-BTU Nutmeg Remote Fireplace
A nutmeg-finish 32,000-BTU remote fireplace listing. Confirm the selected offer and manufacturer model before treating the package as insert-only.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote; verify
- Finish
- Nutmeg
Verify the model and whether the mantel is included.
DFS-300T-3G listing · B074BFHL4X
Duluth Forge DFS-300T-3G: 26,000-BTU Chestnut Oak Thermostat Fireplace
This ASIN is associated with a 26,000-BTU mantel fireplace and thermostat controls. It must not be described as a 32,000-BTU insert.
- Output
- 26,000 BTU
- Fuel
- Natural gas or propane
- Control
- Built-in thermostat
- Finish
- Chestnut oak; verify
Corrected: 26,000-BTU thermostat mantel configuration.
FDF300T · B075ZGKZ9C
Duluth Forge FDF300T: 26,000-BTU Walnut Thermostat Fireplace
A compact dual-fuel 300-series fireplace with thermostat-style controls and a walnut mantel presentation.
- Output
- 26,000 BTU
- Fuel
- Natural gas or propane
- Control
- Built-in thermostat
- Finish
- Walnut
Check current stock and the included mantel.
DFS-400R-2TA · B075ZHWP6T
Duluth Forge DFS-400R-2TA: 32,000-BTU Toasted Almond Remote Fireplace
A toasted-almond 400-series mantel fireplace with dual-fuel operation and remote controls; offer availability may be limited.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Toasted almond
Some indexed regional offers show limited availability.
FDI32R-M-WN · B07GL6DRD9
Duluth Forge FDI32R-M-WN: 32,000-BTU Walnut Remote Fireplace System
A full-size walnut fireplace system with a mantel and remote control. Older international listings indicate that availability can be limited.
- Output
- 32,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Walnut
Offer and included mantel should be verified on Amazon.
DFS-300R-2AC · B07483431D
Duluth Forge DFS-300R-2AC: 26,000-BTU Auburn Cherry Remote Fireplace
A 26,000-BTU auburn-cherry remote fireplace. Indexed Amazon information has shown this older offer as unavailable.
- Output
- 26,000 BTU
- Fuel
- Natural gas or propane
- Control
- Remote
- Finish
- Auburn cherry
If unavailable, use the Amazon category-search button.
Availability changes continuously: a visible product listing is not a guarantee that a fireplace is in stock. Open the Amazon offer to confirm the seller, selected variation, delivery date and included components.
How We Compare Duluth Forge Fireplaces
A useful comparison starts with the actual model and installation format, not only a similar mantel photograph.
Offer and listing clarity
Models with stronger recent Amazon purchase signals are displayed earlier. Older or unavailable-looking offers are moved down; no static stock promise is made.
Heat output and controls
Compare 26,000- and 32,000-BTU configurations separately, then distinguish a handheld remote from an integrated thermostat.
Fuel and installation
Separate dual-fuel fireplaces, natural-gas-only models and outdoor inserts. Confirm the exact manual, approved placement and room requirements.
Duluth Forge Fireplace Comparison Table
The table follows the same offer-priority order as the cards. An ASIN appears when an exact manufacturer model could not be verified without guessing.
| Model / listing | Output | Fuel | Control | Finish / format | Offer note |
|---|---|---|---|---|---|
| DFS-300LR-3AC | 26,000 BTU | Liquid propane only | Remote | Auburn cherry mantel | Check current offer |
| DFS-400R-2AS | 32,000 BTU | Natural gas or propane | Remote | Apple spice mantel | Check current offer |
| DFS-300NT-3WT | 26,000 BTU | Natural gas only | Thermostat | White mantel | Check current offer |
| DFS-300NR-3AC | 26,000 BTU | Natural gas only | Remote | Auburn cherry mantel | Check current offer |
| DF450SS-G | 24,000 BTU | Natural gas; verify LP kit | Manual | Outdoor stainless insert | Check current offer |
| DFS-300R-2AW | 26,000 BTU | Natural gas or propane | Remote | Antique white mantel | Check current offer |
| DFS-400R-2W | 32,000 BTU | Natural gas or propane | Remote | Walnut mantel | Check current offer |
| DFS-300NR-3GR | 26,000 BTU | Natural gas only | Remote; verify | Slate gray mantel | Verify selected variant |
| DFS-400R-2AC | 32,000 BTU | Natural gas or propane | Remote | Auburn cherry mantel | Check current seller |
| DFS-400R-2GR | 32,000 BTU | Natural gas or propane | Remote | Slate gray mantel | Check current seller |
| DFS-400R-1AT | 32,000 BTU | Natural gas or propane | Remote | Autumn spice mantel | Check current seller |
| B0FHJBM8HX | Verify listing | Natural gas; verify | Verify listing | Mantel fireplace | Exact model unconfirmed |
| B075ZDR9Y3 | 26,000 BTU | Natural gas or propane | Thermostat | Walnut mantel | Exact model unconfirmed |
| B075ZHV31X | 32,000 BTU; verify | Natural gas or propane | Thermostat; verify | Heritage mantel | Exact model unconfirmed |
| FDF400T-ZC | 32,000 BTU | Natural gas or propane | Verify listing | Fireplace system | Control descriptions vary |
| FDF400RT-ZC | 32,000 BTU | Natural gas or propane | Remote; verify | Nutmeg mantel | Verify package |
| DFS-300T-3G | 26,000 BTU | Natural gas or propane | Thermostat | Chestnut oak mantel | Corrected model format |
| FDF300T | 26,000 BTU | Natural gas or propane | Thermostat | Walnut mantel | Check current stock |
| DFS-400R-2TA | 32,000 BTU | Natural gas or propane | Remote | Toasted almond mantel | Verify availability |
| FDI32R-M-WN | 32,000 BTU | Natural gas or propane | Remote | Walnut fireplace system | Verify availability |
| DFS-300R-2AC | 26,000 BTU | Natural gas or propane | Remote | Auburn cherry mantel | Older offer; verify |
How to Read Duluth Forge Fireplace Model Numbers
DFS-300 versus DFS-400
The compared 300-series mantel fireplaces are generally rated at 26,000 BTU, while the compared 400-series models are generally rated at 32,000 BTU. Verify the appliance label and exact listing.
R, T and fuel-specific letters
R commonly identifies remote operation, T commonly identifies thermostat control, and N identifies natural-gas-specific configurations in the compared listings.
Finish codes and package contents
AW, AC, GR, AS, W and TA can distinguish antique white, auburn cherry, slate gray, apple spice, walnut and toasted almond finishes. Never infer included accessories from finish alone.
Which Duluth Forge Fireplace Should You Choose?
Choose 26,000 BTU for moderate spaces
Compare DFS-300R-2AW, DFS-300R-2AC, DFS-300NR-3GR and FDF300T when a smaller approved heat output and a complete mantel system are priorities.
Choose 32,000 BTU for larger approved rooms
Consider DFS-400R-2AC, DFS-400R-2GR, DFS-400R-2W and DFS-400R-1AT after confirming room volume, placement and combustion-air requirements.
Choose fuel and controls before finish
A natural-gas-only fireplace cannot be treated as dual fuel. Confirm remote versus thermostat operation, then choose the mantel finish and dimensions.
Ventless Fireplace Safety and Installation Checks
A vent-free fireplace is a gas appliance, not interchangeable furniture. Local rules, room volume, approved locations and installation requirements must be checked for the exact model.
Confirm local vent-free restrictions
Some jurisdictions restrict vent-free appliances. Check applicable local law, prohibited rooms, bedroom or bathroom limitations and altitude restrictions.
- Use the exact model manual.
- Follow required combustion-air provisions.
- Never assume every room is approved.
Verify gas supply and clearances
Match the appliance to its approved fuel and required inlet pressure. Confirm wall, floor, mantel and side-clearance requirements before purchasing.
- Dual-fuel does not mean unrestricted conversion.
- Natural-gas-only appliances stay natural gas only.
- Use qualified gas installation and leak testing.
Check oxygen and carbon monoxide safeguards
An oxygen-depletion sensor and automatic shutoff are not substitutes for proper room sizing, ventilation, maintenance and working carbon monoxide alarms.
- Confirm included safety systems.
- Inspect the installation regularly.
- Follow emergency and maintenance instructions.
Professional installation reminder: gas-line work, pressure verification, leak testing and appliance commissioning should be performed by appropriately qualified professionals.
Duluth Forge Fireplaces FAQ
Are Duluth Forge fireplaces ventless?
Most complete DFS, FDF and FDI mantel fireplaces compared here are listed as vent-free, but the DF450SS-G is a distinct outdoor insert. Always verify the exact product and approved installation.
What is the difference between 26,000 and 32,000 BTU models?
The compared DFS-300 family is generally rated at 26,000 BTU, while the DFS-400 family is generally rated at 32,000 BTU. Higher output does not override room-volume or local-code limits.
Which Duluth Forge fireplace models include a remote?
Compared R-series examples include DFS-300R-2AW, DFS-300R-2AC, DFS-400R-2AC, DFS-400R-2GR and DFS-400R-2W. Confirm the receiver and remote are actually included in the selected offer.
Are all Duluth Forge mantel fireplaces dual fuel?
No. DFS-300NR-3GR is identified as a natural-gas-only configuration. Similar cabinet styling does not make a single-fuel model compatible with propane.
Is B074BFHL4X a 32,000-BTU fireplace insert?
The listing evidence associates B074BFHL4X with a 26,000-BTU thermostat-controlled mantel fireplace, referenced as DFS-300T-3G. Verify the current Amazon title and manual rather than assuming it is a 32,000-BTU insert.
Where can I see Duluth Forge fireplaces available now?
Use either Amazon category-search button on this page to review current sellers, available finishes and delivery options. Individual ASIN availability can change without notice.
Where can I check fireplace manuals and installation information?
Start with the exact model's current installation manual and approved specifications. Our Duluth Forge manuals guide can help you identify the appropriate documents.
Editorial disclosure: This is an independent shopping and comparison guide, not a manufacturer website or installation manual. As an Amazon Associate I earn from qualifying purchases. Prices, availability, sellers, product variants and included components can change.