Independent Duluth Forge gas log catalog
Duluth Forge Gas Logs
Compare Duluth Forge gas log sets by size, BTU output, fuel type, vented or ventless design, control style, log pattern, firebox fit and Amazon availability.
Duluth Forge gas logs are not one-size-fits-all. The right choice depends on your fireplace opening, whether you need ventless heat or a vented flame set, your gas type, BTU requirements, control preference and the minimum firebox dimensions listed for the exact model. This guide organizes 18-inch, 24-inch and 30-inch Duluth Forge gas log listings so you can compare the current Amazon options before buying.
- 18-inch, 24-inch and 30-inch log sets separated
- Ventless dual fuel, natural gas, propane and vented models flagged
- Remote, thermostat and match-light control types compared
- Firebox size and installation-sensitive details highlighted
Last updated: April 27, 2026 • Amazon listings, images, dimensions, model names, fuel variants and availability can change without notice.
Popular Duluth Forge Gas Log Sets
These product cards summarize the main buying points for Duluth Forge gas logs: ASIN, model reference, log size, BTU output, fuel type, vent type, control style and listing dimensions. Use the Amazon buttons to verify current pricing, selected style, seller details and included accessories.
18-Inch Duluth Forge Gas Logs
18-inch Duluth Forge gas log sets are commonly compared for smaller masonry fireplaces or approved fireboxes. Many 18-inch ventless models deliver 30,000 BTU and heat up to about 1,100 sq. ft., while the 18-inch Heartland Oak vented model is a higher-BTU natural gas flame set.
Duluth Forge DLS-18R-1-AZ Dual Fuel Ventless Gas Log Set
18-inch split red oak ventless log set with remote thermostat control and dual fuel operation.
Duluth Forge 18-Inch Ventless Natural Gas Log Set
Natural-gas-only 18-inch stacked oak gas log listing with 30,000 BTU heat output.
Duluth Forge 18-Inch Split Red Oak Ventless Dual Fuel Log Set
Older Amazon listing family for a 30,000 BTU split red oak ventless dual fuel log set.
Duluth Forge DLS-18R-2 Dual Fuel Ventless Gas Log Set
18-inch stacked red oak version with 30,000 BTU output and remote thermostat control.
Duluth Forge FNVL18-1 Vented Natural Gas Log Set
18-inch Heartland Oak vented natural gas log set with match-light ignition and 45,000 BTU output.
Duluth Forge DLS-18T-1 Dual Fuel Ventless Log Set
18-inch split red oak ventless dual fuel model with thermostat-style control instead of remote operation.
Duluth Forge 18-Inch Ventless Liquid Propane Gas Log Set
LP-only stacked red oak version with 30,000 BTU heat output and remote thermostat control.
Duluth Forge 18-Inch Liquid Propane Ventless Log Set
18-inch propane-focused ventless log listing; verify selected Amazon variant and model before purchase.
Duluth Forge 18-Inch Liquid Propane Split Red Oak Log Set
LP-only 18-inch split red oak ventless gas log set with remote thermostat operation.
24-Inch Duluth Forge Gas Logs
24-inch Duluth Forge gas logs are the broadest group in this catalog. Most ventless models are rated around 33,000 BTU and are available as dual fuel, natural gas only or liquid propane only versions. The 24-inch Heartland Oak vented set is a separate 55,000 BTU natural gas model.
Duluth Forge DLS-24R-1 Berkshire Split Oak Ventless Log Set
24-inch dual fuel ventless log set with remote thermostat control and 33,000 BTU output.
Duluth Forge 24-Inch Ventless Natural Gas Stacked Oak Log Set
Natural-gas-only 24-inch stacked oak listing with 33,000 BTU output and remote control.
Duluth Forge 24-Inch Liquid Propane Stacked Oak Log Set
LP-only 24-inch stacked oak ventless gas log set with 33,000 BTU output.
Duluth Forge 24-Inch Ventless Natural Gas Split Oak Log Set
Natural-gas-only 24-inch split oak version with 33,000 BTU output and remote thermostat control.
Duluth Forge DLS-24T-2 Dual Fuel Stacked Red Oak Log Set
24-inch dual fuel ventless log set with thermostat control and stacked red oak appearance.
Duluth Forge DLS-24T-1 Split Red Oak Ventless Log Set
24-inch split red oak dual fuel ventless model with thermostat control and 33,000 BTU output.
Duluth Forge 24-Inch Liquid Propane Stacked Oak Log Set
Propane-focused 24-inch stacked oak ventless log listing; verify final model and selected Amazon variant.
Duluth Forge 24-Inch Stacked Oak Ventless Gas Log Set
24-inch stacked oak listing where the selected Amazon fuel variant should be checked before ordering.
Duluth Forge 24-Inch Berkshire Stacked Oak Dual Fuel Log Set
Remote-control 24-inch Berkshire stacked oak ventless dual fuel set with 33,000 BTU output.
Duluth Forge FNVL24-1 Vented Natural Gas Log Set
24-inch Heartland Oak vented natural gas fireplace log set with 55,000 BTU output.
Duluth Forge 24-Inch Liquid Propane Split Oak Log Set
LP-only 24-inch split oak ventless log set with 33,000 BTU output and remote thermostat control.
30-Inch Duluth Forge Gas Logs
30-inch Duluth Forge gas logs are typically selected for wider fireplace openings. The current 30-inch ventless dual fuel listings are commonly rated at 33,000 BTU and should be checked carefully for front width, rear width and depth requirements before installation.
Duluth Forge DLS-30R-1 Dual Fuel Ventless Gas Log Set
30-inch split oak dual fuel ventless log set with remote thermostat control and 33,000 BTU output.
Duluth Forge 30-Inch Ventless Dual Fuel Gas Log Set
30-inch ventless dual fuel listing with 33,000 BTU output; confirm exact model and selected variant.
Duluth Forge DLS-30R-2 Dual Fuel Ventless Gas Log Set
30-inch stacked red oak dual fuel ventless log set with remote thermostat control.
How We Compare Duluth Forge Gas Logs
Gas logs should be compared differently from complete fireplace inserts or mantel fireplaces. The most important factors are not only BTU output and appearance, but also vent type, fireplace compatibility, fuel configuration, control package and minimum firebox dimensions.
Nominal Log Size
Duluth Forge gas logs are commonly sold as 18-inch, 24-inch and 30-inch sets. The nominal size is not the same as the full required fireplace opening, so always compare it with the minimum firebox dimensions.
Ventless vs Vented
Ventless sets are designed for supplemental heat and high efficiency. Vented Heartland Oak sets require an open flue and are selected more for flame presentation than room-heating efficiency.
Control and Fuel Variant
Remote, thermostat and match-light models feel very different in daily use. Amazon may also group natural gas, propane and dual fuel variants, so the selected option must be checked before checkout.
Duluth Forge Gas Logs Comparison Table
Use this table to compare Duluth Forge gas log listings side by side. Final specifications can vary by selected Amazon variant, so this table is a buying aid, not a replacement for the installation manual.
| ASIN / Model | Size | Vent Type | BTU | Fuel | Control | Log Style | Listing Dimensions | Amazon |
|---|---|---|---|---|---|---|---|---|
| B0CGKJ76KQ / DLS-18R-1-AZ | 18" | Ventless | 30,000 | NG / LP | Remote thermostat | Split Red Oak | 23.5"D x 15.5"W x 18"H | View |
| B0FHJ6V2Q9 / DLS-N18R-2 | 18" | Ventless | 30,000 | Natural gas | Remote thermostat | Stacked Oak | 18"D x 13"W x 12.5"H | View |
| B01861ZZ5E / FVFLC18-1 | 18" | Ventless | 30,000 | NG / LP | Remote thermostat | Split Red Oak | 13"D x 20"W x 29"H | View |
| B0CGKKT48L / DLS-18R-2-AZ | 18" | Ventless | 30,000 | NG / LP | Remote thermostat | Stacked Red Oak | 15.5"D x 15.5"W x 18"H | View |
| B016CJAG06 / FNVL18-1 | 18" | Vented | 45,000 | Natural gas | Match-light | Heartland Oak | 13"D x 29"W x 20"H | View |
| B01MSDVYKF / DLS-18T-1 | 18" | Ventless | 30,000 | NG / LP | Thermostat | Split Red Oak | 13"D x 29"W x 20"H | View |
| B0FXGMJJRC / DLS-L18R-2 family | 18" | Ventless | 30,000 | Liquid propane | Remote thermostat | Stacked Red Oak | 18"D x 13"W x 12.5"H | View |
| B0FHJ7CPKK / DLS-N18T-2 | 18" | Ventless | 30,000 | Liquid propane | Remote thermostat | Stacked Oak | 18"D x 13"W x 12.5"H | View |
| B0FXNL67MD / DLS-L18R-1 family | 18" | Ventless | 30,000 | Liquid propane | Remote thermostat | Split Red Oak | 32"D x 16"W x 28"H | View |
| B0CGKVGQQJ / DLS-24R-1 | 24" | Ventless | 33,000 | NG / LP | Remote thermostat | Berkshire Split Oak | 26.5"D x 14.49"W x 16.5"H | View |
| B0FHJ9TXZK / DLS-N24R-2 family | 24" | Ventless | 33,000 | Natural gas | Remote thermostat | Stacked Oak | 24"D x 12"W x 11"H | View |
| B0FHJ8KXLC / DLS-L24R-2 family | 24" | Ventless | 33,000 | Liquid propane | Remote thermostat | Stacked Oak | 24"D x 12"W x 11"H | View |
| B0FH7L15QS / DLS-N24R-1 family | 24" | Ventless | 33,000 | Natural gas | Remote thermostat | Split Oak | 24"D x 12.5"W x 11.5"H | View |
| B01MTFIP4R / DLS-24T-2 | 24" | Ventless | 33,000 | NG / LP | Thermostat | Stacked Red Oak | 20"H x 28"W front / 23"W rear x 15"D | View |
| B0762HGXXH / DLS-24T-1 | 24" | Ventless | 33,000 | NG / LP | Thermostat | Split Red Oak | 13"D x 29"W x 26"H | View |
| B0FH7MJG3R / DLS-L24T-2 | 24" | Ventless | 33,000 | Liquid propane | Remote thermostat | Stacked Oak | 24"D x 12"W x 11"H | View |
| B0FH7M39SN / verify fuel | 24" | Ventless | 33,000 | Natural Gas | Remote thermostat | Stacked Oak | 24"D x 12"W x 11"H | View |
| B017XSH4AK / DLS-24R-2 family | 24" | Ventless | 33,000 | NG / LP | Remote thermostat | Berkshire Stacked Oak | 15"D x 28"W x 20"H | View |
| B016CJAH1Y / FNVL24-1 | 24" | Vented | 55,000 | Natural gas | Match-light | Heartland Oak | 15"D x 18"W x 28"H | View |
| B0FHJ8MWQ8 / DLS-L24R-1 family | 24" | Ventless | 33,000 | Liquid propane | Remote thermostat | Split Oak | 24"D x 12.5"W x 11.5"H | View |
| B0CGKMTLGK / DLS-30R-1 | 30" | Ventless | 33,000 | NG / LP | Remote thermostat | Berkshire Split Oak | 26.5"D x 14.5"W x 20"H | View |
| B0762H46SX / DLS-30R-1 family | 30" | Ventless | 33,000 | NG / LP | Remote thermostat | Split Oak / listing dependent | 15"D x 20"W x 34"H | View |
| B0CGKD6T5B / DLS-30R-2 | 30" | Ventless | 33,000 | NG / LP | Remote thermostat | Stacked Red Oak | 26.5"D x 14.5"W x 20"H | View |
Dimensions above are retail listing dimensions supplied for comparison. For installation, confirm the manual and minimum firebox dimensions, especially front width, rear width, height and depth.
Quick Duluth Forge Gas Log Picks by Fireplace Type
The best Duluth Forge gas log set depends on your fireplace opening, whether your fireplace is vented, whether local rules allow vent-free appliances and which fuel supply is already available.
Best for smaller approved fireboxes
Start with 18-inch ventless log sets such as DLS-18R-1 or DLS-18R-2 when the fireplace opening is limited and you want 30,000 BTU supplemental heat.
Best all-around size
24-inch Duluth Forge gas logs offer the widest selection: dual fuel, natural gas only, propane only, remote, thermostat, split oak and stacked oak variants.
Best for wider fireplaces
Choose 30-inch log sets only after confirming the firebox width and rear width. These models usually need a wider approved fireplace opening.
Before You Buy Duluth Forge Gas Logs
A gas log purchase should begin with the fireplace and fuel supply, not the product photo. Measure the opening, identify whether your fireplace can be used with ventless or vented logs, confirm gas type and review the installation manual before ordering.
Measure the Firebox
Measure front width, rear width, height and depth. Many Duluth Forge listings show product or package dimensions, but installation requires the minimum firebox size from the manual.
Confirm Vent Type
Ventless logs do not use an open chimney in the same way as vented logs. Vented Heartland Oak models require a working chimney or vented firebox with the flue open during use.
Match the Fuel
Dual fuel models can operate on natural gas or propane when configured correctly. Natural gas only and LP-only listings should not be treated as interchangeable.
Ventless vs Vented Duluth Forge Gas Logs
Choose ventless gas logs for supplemental heat
Duluth Forge ventless gas logs are typically marketed around high efficiency and heat output. The common 18-inch models produce about 30,000 BTU, while many 24-inch and 30-inch models produce about 33,000 BTU. These appliances require correct room size, code approval and an approved fireplace or firebox.
- Check whether vent-free appliances are allowed in your state and local jurisdiction.
- Verify oxygen depletion sensor, room size and prohibited-location rules in the manual.
- Do not install above stated altitude limits or outside approved use conditions.
Choose vented logs for a traditional open-flue fireplace
Duluth Forge Heartland Oak vented log sets are different from ventless heater-style logs. They require a masonry fireplace or vented firebox and the flue must stay open during operation. They are often chosen for larger flame appearance rather than maximum heating efficiency.
- 18-inch Heartland Oak: 45,000 BTU natural gas model.
- 24-inch Heartland Oak: 55,000 BTU natural gas model.
- Confirm chimney condition, damper clamp requirements and open-flue operation.
18 vs 24 vs 30 Inch Duluth Forge Gas Logs
The nominal size is only a starting point. A 24-inch gas log set does not simply require a 24-inch opening; many models need extra front width, rear width, height and depth for safe installation and flame clearance.
18-Inch Models
Good starting point for smaller approved fireplaces. Ventless 18-inch models are commonly rated at 30,000 BTU and use split or stacked red oak log styles.
24-Inch Models
The most flexible category, with Berkshire split oak, Berkshire stacked oak, natural gas only, propane only, dual fuel, remote and thermostat variants.
30-Inch Models
Best for wider fireboxes. Most current Duluth Forge 30-inch ventless dual fuel listings are rated at 33,000 BTU and need careful firebox-width verification.
Remote vs Thermostat vs Match-Light Control
Control type affects daily convenience more than many buyers expect. Duluth Forge gas log listings include remote thermostat models, built-in thermostat models and match-light vented models.
Remote Thermostat
Remote thermostat models are convenient when the fireplace opening is low or difficult to access. Always confirm the selected Amazon listing includes the receiver, batteries and remote package.
Thermostat Control
Thermostat-control models cycle the burner to maintain a selected room comfort level. They are a practical choice when remote operation is less important than automatic heat regulation.
Match-Light
Vented Heartland Oak log sets use match-light manual ignition. This simpler control style belongs to open-flue vented installations, not ventless room-heating operation.
Verified Installation Data Worth Checking
Several Duluth Forge families have published installation-related specifications that are more useful than retail package dimensions. Use these as planning notes only, then confirm in the current manual.
| Model family | Typical technical size | Minimum firebox size | Notes |
|---|---|---|---|
| DLS-18R-1 / DLS-18R family | Approx. 13"D x 18"W x 20"H | 20"H x 29"W front / 22"W rear x 13"D | 18-inch ventless dual fuel family, 30,000 BTU, U-burner, ODS safety pilot. |
| DLS-24R-1 / DLS-24R family | Approx. 15"D x 24"W x 20"H | 20"H x 28"W front / 23"W rear x 15"D | 24-inch ventless dual fuel family, 33,000 BTU, ember burner, remote thermostat. |
| DLS-30R family | Approx. 15"D x 30"W x 20"H | 20"H x 34"W front / 23"W rear x 15"D | 30-inch ventless dual fuel family, 33,000 BTU, larger fireplace opening required. |
| FNVL18-1 Heartland Oak | 18-inch vented log set | 18"H x 24"W front / 18"W rear x 15"D | 45,000 BTU natural gas vented set; flue must remain open during use. |
| FNVL24-1 Heartland Oak | 24-inch vented log set | 18"H x 28"W front / 22"W rear x 15"D | 55,000 BTU natural gas vented set; flue must remain open during use. |
Manuals and Installation Documents
The manual is the most important document for a gas log set. It should be reviewed before ordering, before gas-line work and before placing the logs inside an existing fireplace.
What to verify in the gas log manual
Check minimum firebox size, gas pressure, burner assembly, log placement diagram, clearances, ODS instructions, ignition procedure, prohibited locations, ventilation requirements, altitude limits, damper instructions for vented models and maintenance steps.
See our Duluth Forge manuals page for model-specific documents and installation references.
Common Buyer Feedback Themes for Gas Logs
Public retailer feedback for gas logs commonly focuses on heat output, flame realism, log appearance, remote reliability, installation clarity, packaging condition and whether the set fits the fireplace as expected. For vented models, buyers often focus on flame height and natural appearance; for ventless models, they focus more on heat output and thermostat behavior.
This page does not copy customer reviews or assign its own star ratings. Instead, it organizes product data, variant warnings and installation-sensitive buying checks so shoppers can compare Duluth Forge gas log listings with fewer surprises.
Related Duluth Forge Resources
Continue comparing Duluth Forge products by category, or review manuals before choosing a gas log set for an existing fireplace.
Duluth Forge Gas Logs FAQ
Are Duluth Forge gas logs ventless?
Many Duluth Forge gas log sets are ventless or vent-free, especially DLS-series models. However, Duluth Forge also sells vented Heartland Oak log sets. Always verify the exact ASIN, model and manual.
What size Duluth Forge gas logs do I need?
Choose by the fireplace opening, not only by nominal log size. Measure front width, rear width, height and depth, then compare those numbers with the model’s minimum firebox requirements.
What is the difference between 18-inch, 24-inch and 30-inch gas logs?
The difference is nominal log size and required fireplace fit. 18-inch models are for smaller approved fireboxes, 24-inch models are the broadest category, and 30-inch models require wider openings.
Do Duluth Forge gas logs use natural gas or propane?
Some models are dual fuel and can be configured for natural gas or liquid propane. Others are natural gas only or liquid propane only. The fuel type must be confirmed on the selected Amazon variant.
Are vented Duluth Forge gas logs better than ventless gas logs?
They serve different purposes. Vented logs require an open flue and are often chosen for a traditional flame appearance. Ventless logs are commonly chosen for supplemental heat and high efficiency, subject to room-size and code requirements.
Can I install Duluth Forge gas logs in any fireplace?
No. The fireplace or firebox must meet the model’s requirements. Ventless sets require an approved firebox or masonry fireplace, while vented models require a suitable vented fireplace and open flue.
Why do Amazon dimensions differ from firebox requirements?
Amazon listings may show product, package or listing dimensions. Installation depends on the minimum firebox dimensions in the manual, which include safety and clearance requirements.
Which Duluth Forge gas logs have remote control?
Many R-series models, such as DLS-18R, DLS-24R and DLS-30R families, are commonly listed with remote thermostat control. T-series models are typically thermostat-control versions. Always verify the selected ASIN and variant.