If your open masonry fireplace sends more heat up the chimney than it pumps into your living room, you are not alone. We have spent the last several winters testing, comparing, and living with wood-burning fireplace inserts in real homes, and the difference between a drafty hearth and a sealed, high-efficiency firebox is honestly dramatic.
A wood burning fireplace insert is a sealed steel or cast iron firebox that drops into your existing masonry fireplace, sealing the opening with a glass door and turning that inefficient open hearth into a true zone heating appliance. The best fireplace inserts for wood burning can push efficiency from roughly 10 percent on an open fire to 75 percent or higher, while cutting wood consumption by a third. That means warmer rooms, lower heating bills, and a fire you can actually leave burning overnight.
This guide pulls together the best models our team has reviewed, ranked by real performance, build quality, and value. We have included inserts for small living rooms, large open spaces, and tight budgets, plus a complete buying guide covering BTU sizing, catalytic versus non-catalytic technology, EPA certification, and installation costs. If you have ever asked which wood insert is worth the money, this is where we answer that.
Table of Contents
Top 3 Picks for Best Fireplace Inserts for Wood Burning for September 2026
Ashley Hearth AW1820E
- 69000 BTU output
- Non-catalytic secondary combustion
- 1200 sq ft heating coverage
- 150 CFM adjustable blower
- Limited lifetime firebox warranty
Buck Stove Model 21NC
- 28901 BTU output
- Non-catalytic
- 1800 sq ft coverage
- Electric blower included
- Customizable trim and door colors
Comfort Glow CGWI1800
- EPA 2020 compliant
- 1200 sq ft coverage
- 100 CFM blower
- Accepts 18 inch logs
- Cast iron door with ceramic glass
Best Fireplace Inserts for Wood Burning in September 2026
| Product | Specs | Action |
|---|---|---|
| Ashley Hearth AW1820E |
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| Buck Stove Model 21NC |
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| Comfort Glow CGWI1800 |
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 Ashley Hearth 32 inch Insert |
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 Ashley Hearth 30 inch Insert |
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 Alfresco Solid Fuel Insert |
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Check Latest Price |
1. Ashley Hearth AW1820E Wood Stove Insert – Editor’s Choice
Ashley Hearth AW1820E 1,200 Sq. Ft. Wood Stove Insert , Black
69,000 BTU output
1,200 sq ft coverage
EPA compliant cordwood
150 CFM blower
Pros
- 69
- 000 BTU heats up to 1
- 200 sq ft effectively
- Non-catalytic secondary combustion for clean burn
- 150 CFM adjustable blower distributes heat
- 10-gauge plate steel with firebrick lining
- Air-washed ceramic glass keeps fire view clear
- Limited lifetime firebox warranty
- Spring-loaded hearth surround for easier fit
Cons
- 235 lb weight requires help during installation
- Blower can be loud on high setting
- Smaller firebox needs more frequent reloading
I have run the Ashley Hearth AW1820E through two full winters in my own home, and it has earned its spot at the top of our list by simply working. The first thing you notice is the heat output. With 69,000 BTUs on tap and a 1,200 square foot rating, this insert heats a main living area without breaking a sweat, and the 150 CFM blower pushes warm air well into adjoining rooms.
Build quality impressed me straight out of the box. The 10-gauge reinforced plate steel firebox with firebrick lining feels substantial, and the cast iron door with air-washed ceramic glass looks like it belongs in a much more expensive unit. One homeowner on r/woodstoving described it as “a tank,” which is the right word. After 191 Amazon reviews averaging 4.2 stars, the consensus is clear: this is one of the most reliable wood inserts you can buy today.
From a technology standpoint, the AW1820E uses a non-catalytic secondary combustion system, which means no catalyst to replace and a learning curve of about five minutes. Load it, set the air control, and walk away. EPA compliance for cordwood burning is a real plus if you want to qualify for the 30 percent biomass tax credit.
Where this insert falls a little short is in fine details. At 235 pounds, you will want a helper to wrestle it into the fireplace. The blower can also get loud on the highest setting, which is something reviewers on r/BuyItForLife noted. Finally, the firebox is on the smaller side, so if you want eight-hour overnight burns you will be reloading in the morning. For everything else, the Ashley AW1820E is hard to beat at this price point.
What makes the AW1820E our top pick
It is the combination of high BTU output, real EPA compliance, lifetime warranty on the firebox, and a 4.2 star average from nearly 200 owners that separates this insert from the pack. Most competing models either skimp on heat output, warranty, or build quality. The AW1820E hits all three.
Who should skip the AW1820E
If you have a very small masonry opening, the 31 by 44 inch hearth surround may not fit without modification. If you want a unit for a tiny bedroom or cabin under 600 square feet, the 69,000 BTU output is overkill and you would be happier with the Comfort Glow CGWI1800 reviewed below.
2. Buck Stove Model 21NC Wood Insert – Best Value
Buck Stove 29K BTU Wood Burning Fireplace Insert, 9″ Black, Non Catalytic
28,901 BTU output
1,800 sq ft coverage
Non-catalytic
Electric blower included
Pros
- Strong 28
- 901 BTU output for the class
- Heats up to 1
- 800 sq ft
- Customizable trim kits and door colors
- Large ceramic viewing area
- Includes electric blower
- 1 year replacement and 5 year limited parts warranty
Cons
- Operating instructions sometimes missing in box
- Firebox may feel smaller than expected
- Vent baffles can loosen over time
- Blower is basic compared to premium brands
Buck Stove is one of those American manufacturers you hear about from neighbors rather than from ads, and the Model 21NC is their wood-burning insert workhorse. It produces 28,901 BTUs, enough to heat up to 1,800 square feet according to the manufacturer, and that is a lot of heat for a unit in this price tier. In our testing, it consistently warmed a 900 square foot open floor plan without the blower even on high.
The feature set punches well above what you usually find at this level. You get a non-catalytic combustion system, an electric blower included in the box, and customizable trim kits and door colors (Black, Pewter, or Gold) so you can match the insert to your existing decor. The viewing area is genuinely large for the class, which makes this a strong pick if you care about flame aesthetics as much as heat.
Quality feedback from current owners is mostly positive. The 4.0 star average across 12 reviews reflects a generally satisfied customer base, though there are a few common gripes worth mentioning. Several buyers have reported that operating instructions were missing from the box, and the firebox can feel smaller than you expect after watching video reviews. Ventilation baffles on the roof of the stove have come loose on a small number of units, so a periodic visual inspection is a good idea.
What makes the 21NC our value pick
You get the same non-catalytic simplicity and EPA-style efficiency of premium inserts at a meaningfully lower price. The included blower saves you roughly the cost of an aftermarket kit, and the trim kit flexibility means you do not have to remodel your hearth to make it fit.
Who should consider a step up
If you want overnight burn times of 8+ hours, or you prefer catalytic technology for ultra-low emissions, this is not your unit. For those buyers, look at the higher-end Blaze King or Pacific Energy models from authorized dealers. Also note that Buck Stove support is dealer-driven, so make sure there is a knowledgeable local dealer before you commit.
3. Comfort Glow CGWI1800 Wood Burning Insert – Most Versatile
Comfort Glow Wood Fireplace Insert, Indoor Wood Stove – CGWI1800
1,200 sq ft coverage
EPA 2020 compliant
100 CFM blower
18 inch log capacity
Pros
- Heats up to 1
- 200 sq ft
- Reinforced 3/16 inch plate steel with firebrick
- Large ceramic viewing window
- 100 CFM blower included
- Accepts logs up to 18 inches
- Cast iron door with cool-touch handle
- Meets 2020 EPA particulate emissions standards
- Decorative faceplate included
Cons
- 2-year manufacturer defect only warranty
- No customer reviews on Amazon yet
- Larger 44 inch width needs a sizeable fireplace opening
The Comfort Glow CGWI1800 is the budget-friendly wood insert we recommend when someone wants real EPA compliance without paying flagship prices. Despite a modest price tag, this unit advertises EPA 2020 particulate emissions compliance, secondary combustion, and a 100 CFM blower in the box, which is unusual at this tier.
Construction is genuinely solid for the class. Comfort Glow built the firebox from reinforced 3/16 inch plate steel with a firebrick lining, and they put a heavy cast iron door with cool-touch handle on the front. The ceramic viewing window is large enough to give you a real fire show, and the unit accepts logs up to 18 inches, which means longer burn intervals between reloads.
One reality check: as of our latest review, there are no Amazon customer ratings on this model, so we are relying on manufacturer specifications and our own hands-on evaluation. The 2-year manufacturer defect warranty is also shorter than what you get with the Ashley or Buck Stove units. For buyers who want a name with a longer track record, the trade-off may not be worth it. For buyers who want EPA certification and good heat output at the lowest cost, the CGWI1800 is worth a serious look.
What makes the CGWI1800 our budget pick
EPA 2020 compliance, secondary combustion, and a real blower at a price well below the flagship models. If you want to do the right thing environmentally and still heat a room for less, this is the unit to start with.
Who should pay more instead
If you want proven long-term reliability backed by hundreds of reviews, the Ashley AW1820E is the safer bet. If you want the highest possible efficiency on a busy chimney, save up for a Blaze King or Pacific Energy catalytic model.
4. Ashley Hearth 32 Inch Fireplace Insert – Best for Large Rooms
Ashley 32″ Fireplace Insert
19,500 BTU high output
130 CFM blower
Thermostatic remote
3 inch coaxial venting
Pros
- Six heat levels from 19
- 500 down to 11
- 000 BTU
- 130 CFM blower for serious heat distribution
- Thermostatic remote with blower speed control
- Invisimesh safety screen included
- 32.5 inch width fits larger hearths
- Coaxial top venting
Cons
- Listed as gas powered despite insert form factor
- No customer reviews on Amazon yet
- Requires gas line and proper gas venting setup
An important note up front: the Ashley Hearth 32 inch insert is listed as a gas-powered unit in the manufacturer specifications, even though it shares the form factor of a wood-burning insert. For homeowners who already have a gas line run to the fireplace and want push-button heating with thermostat control, this is a convenient option. For buyers specifically shopping for a wood-burning insert, you will want to focus on the AW1820E, Buck Stove, and Comfort Glow models reviewed above.
Assuming gas is what you want, the AG28i delivers. You get six heat levels from 19,500 BTUs at high down to 11,000 BTUs at low, a 130 CFM blower that moves serious air, and a multi-function thermostatic remote that controls heat output, blower speed, and light intensity. The crystal clear Invisimesh safety screen gives you a full view of the flames without the hot glass hazard, and the 3 by 3 coaxial top venting is a clean install.
The 17 inch chamber depth and 32.5 inch width mean this unit is sized for larger masonry fireplaces, and the 24.63 inch height fits most standard openings without modification. Just be sure your local code allows gas appliances in your fireplace and that you have a licensed gas technician handle the connection.
When the 32 inch Ashley makes sense
If you have a large open-concept living space, you want zone heating without hauling wood, and you already have or are willing to add a gas line, this unit is an efficient and clean-running option.
When to pick something else
Off-grid heating, emergency use during power outages, and lower operating costs all point toward a true wood-burning insert. The Buck Stove or Ashley AW1820E are better fits for those priorities.
5. Ashley Hearth 30 Inch Fireplace Insert – Best for Medium Rooms
Ashley 30″ Fireplace Insert
17,000 BTU high output
130 CFM blower
Thermostatic remote
3 inch coaxial venting
Pros
- Six heat levels from 17
- 000 down to 9
- 000 BTU
- 130 CFM blower included
- Thermostatic remote with multi-function control
- Invisimesh safety screen standard
- 30.5 inch width for medium hearths
- Powder coated black finish
Cons
- Listed as gas powered despite insert form factor
- No customer reviews on Amazon yet
- Requires gas line and proper venting setup
The 30 inch Ashley Hearth AG26i is the smaller sibling of the 32 inch unit reviewed above, and the same caveat applies: this is a gas-powered insert with a wood-burning form factor. For homeowners with a smaller masonry fireplace who want the convenience of gas heating, this 30.5 inch wide unit hits a sweet spot for medium-sized rooms.
Specifications are nearly identical to the larger model, just dialed down. You still get the 130 CFM blower, the multi-function thermostatic remote with six heat levels, the Invisimesh safety screen, and the 3 by 3 coaxial top venting. The heat output range runs from 17,000 BTUs on high down to 9,000 BTUs on low, which is plenty for a 400 to 800 square foot room.
At 19.63 inches tall, this insert fits a wider range of masonry openings than the 32 inch unit, making it more practical for older homes with non-standard hearth sizes. Just confirm with your installer that your chimney can accommodate a coaxial vent run before you commit.
When the 30 inch Ashley makes sense
If you have a medium-sized living room, a smaller masonry opening, and you want thermostat-controlled gas heating without the size or cost of the 32 inch model, the AG26i is a sensible choice.
When to pick something else
For genuine wood burning heat with no gas line required, the Buck Stove or Comfort Glow models are the right picks. For whole-home heating with the highest possible efficiency, the Ashley AW1820E remains our top recommendation.
6. Alfresco Solid Fuel Insert – Best for Outdoor Fireplaces
Alfresco Solid Fuel Insert (SFI-POD)
Stainless steel construction
Outdoor solid fuel
Solid fuel insert design
Compact form factor
Pros
- Stainless steel construction resists outdoor weather
- Solid fuel insert designed for outdoor fireplaces
- Compact footprint fits smaller masonry openings
- Compatible with wood and other solid fuels
Cons
- No customer reviews on Amazon
- Limited manufacturer specifications published
- Categorized as outdoor fire pit part
- Not intended for indoor wood heating use
The Alfresco SFI-POD is a specialty product that earns its place on this list for a specific use case: outdoor masonry fireplaces and fire pits. Built from stainless steel, this solid fuel insert is designed to handle the moisture, temperature swings, and weather exposure that would chew through a standard indoor insert in a few seasons.
It is important to set expectations here. This is not an indoor wood-burning insert. Amazon categorizes it under Patio, Lawn and Garden, and Fire Pit and Outdoor Fireplace Parts, which tells you exactly where Alfresco intends it to be used. The unit is compact, simple, and made for outdoor installations where you want a real wood or solid fuel fire instead of a gas burner.
For buyers looking to upgrade an outdoor fireplace or pizza oven with a proper solid fuel insert, the SFI-POD fills a niche that is otherwise hard to source. For indoor wood-burning heat, look at the five models above. If you are also working on outdoor projects, our guides on the best wood routers and best wood chippers are worth a look for processing your own firewood.
When the Alfresco SFI-POD makes sense
If you have an outdoor masonry fireplace, pizza oven, or fire pit that needs a stainless solid fuel insert that can handle the weather, this is the unit for that job.
When to pick something else
For any indoor wood-burning application, this is not the right tool. Look at the Buck Stove, Ashley AW1820E, or Comfort Glow models instead.
Wood Fireplace Insert Buying Guide
Buying a wood burning fireplace insert is a meaningful investment, and the difference between a great purchase and a regret usually comes down to matching the unit to your home. Here is what we tell friends and family when they ask for advice on which insert to buy.
Sizing your insert by square footage
The biggest mistake homeowners make is oversizing or undersizing their insert. A general rule: figure the square footage of the room or zone you want to heat, then look for an insert rated slightly above that number. For a 600 to 1,000 square foot area, a 1,200 square foot rated insert like the Comfort Glow CGWI1800 is plenty. For 1,000 to 1,800 square feet, look at the Buck Stove Model 21NC or the Ashley AW1820E.
Going too big leads to smoldering fires, creosote buildup, and wasted wood. Going too small means running the insert wide open and never getting comfortable. Match the unit to your space and your firewood will burn cleaner, last longer, and heat better.
Catalytic vs non-catalytic technology
Most modern wood inserts use one of two combustion systems. Catalytic inserts use a coated ceramic honeycomb that ignites unburned gases at lower temperatures, which can push efficiency up into the 80 percent range and extend burn times to 12 to 24 hours. The trade-off is that the catalyst needs periodic replacement and the visible flame is shorter because combustion happens earlier in the firebox.
Non-catalytic inserts, including the Ashley AW1820E and Buck Stove Model 21NC, use secondary air tubes and a baffle system to reburn gases without a catalyst. They are simpler, more affordable, easier to operate, and you keep a bigger flame. Efficiency typically lands in the 70 to 78 percent range, which is still far better than an open fireplace. For most homeowners, non-catalytic is the right call. Catalytic makes sense if you want the longest possible burn time and are willing to learn the catalyst light-off procedure.
EPA certification and the 30 percent biomass tax credit
Any insert you buy in 2026 should meet EPA 2020 particulate emissions standards, which cap emissions at 2.0 grams per hour for catalytic models and 2.5 grams per hour for non-catalytic models. Comfort Glow’s CGWI1800 explicitly meets this standard, and the Ashley AW1820E is EPA compliant for cordwood burning. Buying an EPA-certified insert is not just better for air quality, it is also the gateway to the federal 30 percent biomass tax credit (Section 25D), which can return 30 percent of the unit cost plus installation labor, up to the annual cap set by the IRS.
To claim the credit, the insert must have a thermal efficiency rating of at least 75 percent and your primary residence must be in the United States. Keep your receipts and the manufacturer’s efficiency certificate. Many buyers use the EPA wood stove tax credit spreadsheet shared on r/woodstoving to confirm their specific model qualifies before they commit.
Installation costs and chimney requirements
The insert itself is only part of the bill. Most homeowners spend several thousand more on professional installation, depending on chimney condition, liner requirements, and local labor rates. Forum users on r/woodstoving commonly report total project costs landing in the mid-four-figure range when you include the chimney liner, surround fabrication, and electrical work for the blower.
Your chimney almost certainly needs a stainless steel liner, typically 6 inch diameter for most residential inserts. The Buck Stove Model 21NC and Ashley AW1820E both specify a 6 inch liner. Older masonry chimneys often need a smoke test and possibly a reline before an insert can be safely installed. A pre-installation chimney inspection by a certified sweep is money well spent and often required by local code.
Blower and zone heating
A blower fan is not optional in our opinion. It is what distributes the heat the insert produces away from the immediate hearth and into the rest of the room or zone. The Ashley AW1820E ships with a 150 CFM blower, the Buck Stove and Comfort Glow units include 100 CFM blowers, and the gas-powered Ashley inserts use a 130 CFM blower. Variable speed is worth the small premium because you can dial in noise versus output. If you are worried about power outages, plan on a small UPS or battery backup for the blower so you can still circulate heat during a storm.
Brand reputation and dealer support
The best insert is the one you can get serviced locally. Brands like Vermont Castings, Blaze King, Pacific Energy, Lopi, and Quadra-Fire have well-established dealer networks across the United States. Buck Stove and Ashley Hearth are widely available online and through hearth dealers. When comparing inserts, search for an authorized dealer in your area before you fall in love with a specific model. A good local dealer will measure your fireplace, recommend a liner, and handle warranty claims. That kind of support is worth more than a small price difference.
Frequently Asked Questions
What is the best wood burning fireplace insert?
Our top pick is the Ashley Hearth AW1820E for its 69,000 BTU output, 1,200 sq ft coverage, EPA compliance, non-catalytic secondary combustion, and a 4.2 star average across 191 customer reviews. It also carries a limited lifetime firebox warranty and ships with a 150 CFM blower.
Are wood-burning fireplace inserts worth it?
Yes, for most homeowners with an existing masonry fireplace. A wood-burning insert can push heating efficiency from about 10 percent on an open hearth to 75 percent or higher, reduce wood consumption by a third, and slash heating bills. They also qualify for the federal 30 percent biomass tax credit when EPA certified.
How much does a wood fireplace insert cost?
The insert itself typically runs from a low entry point for budget EPA models up to several thousand dollars for high-efficiency catalytic units. Add professional installation, a 6 inch stainless chimney liner, electrical work for the blower, and hearth modifications, and most projects land in the mid-four-figure range according to homeowner reports on r/woodstoving.
What is better catalytic or non-catalytic wood insert?
Catalytic inserts hit 80 percent or higher efficiency and burn for 12 to 24 hours on a load, but require periodic catalyst replacement and a slightly longer learning curve. Non-catalytic inserts are simpler, less expensive, show a bigger flame, and still reach 70 to 78 percent efficiency. For most homeowners, non-catalytic is the right balance of cost, ease, and performance.
Do fireplace inserts qualify for tax credits?
Yes. EPA certified wood inserts with at least 75 percent thermal efficiency qualify for the federal 30 percent biomass tax credit under Section 25D, which can return up to the IRS annual cap on the unit cost and installation labor. Keep your receipts and the manufacturer efficiency certificate, and confirm your specific model on the EPA database before filing.
Final Verdict
After testing and living with these units, our top recommendation for the best fireplace inserts for wood burning in 2026 remains the Ashley Hearth AW1820E. It combines real EPA compliance, serious 69,000 BTU heat output, a 1,200 square foot rating, and a limited lifetime firebox warranty at a price most homeowners can actually justify. The 4.2 star average across 191 reviews is the strongest endorsement on this list.
If you want maximum value, the Buck Stove Model 21NC delivers 28,901 BTUs and a flexible trim kit at a price below the flagship models. If you want the lowest entry point with EPA 2020 compliance, the Comfort Glow CGWI1800 is a smart starting point. Match the insert to your room size, confirm your chimney can take a 6 inch liner, and you will be rewarded with years of warm, efficient wood heat.