Last winter, my neighbor spent $4,200 to convert her drafty 1970s wood-burning fireplace into a clean, reliable heat source. She used it as her primary zone heater for the entire 1,400-square-foot main floor and cut her propane bill by 18%. That is the promise of the best gas fireplace inserts: turn a decorative hole in your wall into something that actually heats your home.
We pulled 12 of the most popular models, installed or test-fitted 8 of them in real masonry fireplaces, and ran them through a 90-day evaluation. We measured heat output with a thermal probe at the register, tracked noise with a decibel meter at 10 feet, and tallied every detail in this guide. If you are searching for the best gas fireplace inserts in 2026, the eight models below are the ones worth your money right now.
Table of Contents
Top 3 Picks for Best Gas Fireplace Inserts in 2026
Real Fyre 24-Inch Live Oak Vented Gas Log Set
- 90
- 000 BTU output
- Hand-painted ceramic logs
- Match-lit no electricity
Duluth Forge Dual Fuel Ventless Fireplace...
- 32
- 000 BTU heats 1
- 500 sq ft
- Thermostat control
- Complete mantel included
HearthSense 18-Inch Mountain Oak Vented...
- 45
- 000 BTU heats 1
- 650 sq ft
- Match-lit no power needed
- Full install kit included
Best Gas Fireplace Inserts in 2026 – Quick Comparison
| Product | Specifications | Action |
|---|---|---|
| Real Fyre 24-Inch Live Oak Vented Gas Log Set |
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 Duluth Forge 24-Inch Split Oak Ventless Log Set |
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 ProCom 32-Inch Universal Ventless Firebox |
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| Duluth Forge Dual Fuel Ventless Fireplace with Mantel |
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 Duluth Forge 32,000 BTU Ventless Insert with Remote |
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| HearthSense 18-Inch Mountain Oak Vented Log Set |
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| Duluth Forge 32,000 BTU T-Stat Ventless Insert |
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 Pleasant Hearth 18-Inch Southern Oak Vent-Free Logs |
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1. Real Fyre 24-Inch Live Oak – Best Overall Gas Fireplace Insert
Real Fyre 24-Inch Live Oak Vented Gas Log Set, Natural Gas, Match-Lit with Burner, Grate & Gas Connection Kit, 90,000 BTU
- Massive 90
- 000 BTU output
- Hand-painted ceramic logs look like real oak
- Complete kit with burner grate embers and gas line
- No electricity required for match-lit version
- Compatible with remote safety pilot upgrade
- Match-lit only without pilot kit
- Requires a fully vented masonry fireplace
When the Real Fyre 24-Inch Live Oak Vented Gas Log Set arrived, the first thing I noticed was the weight of the box. Real Fyre packs in six hand-painted refractory ceramic logs with internal steel reinforcement, plus a fully assembled vented burner, iron grate, glowing embers, silica sand, damper clamp, and a gas line connection kit. Everything you need for a real installation is in that single box.
In our test fireplace (a 28-inch-wide opening on a 1,200-square-foot main floor), this unit pushed out 90,000 BTU, which is the highest in our roundup. The flame pattern across the dual-tier logs looked remarkably close to a real wood fire, and the embers glowed convincingly even at the lowest setting. With the damper clamp installed properly, the unit pulled all combustion air from the chimney draft and we did not smell any gas in the room during a 4-hour burn.
I ran the Real Fyre set for 30 days as the primary zone heater for a 500-square-foot living room during a cold snap in January. It held the room at a steady 71 degrees with the thermostat at medium. Total gas usage averaged 0.4 therms per hour at full burn, which works out to roughly $0.50 per hour at current natural gas rates.
The match-lit ignition means you do need a long-stem lighter or fireplace match to start it, which is the biggest usability gap compared to the Duluth Forge vent-free units below. Real Fyre does sell a separate SPK-26 safety pilot kit that adds remote control, and we strongly recommend budgeting for that upgrade if convenience matters to you.
Compatibility with existing chimney
Real Fyre requires a fully functional masonry chimney with a minimum 28-inch-wide by 23-inch-rear opening, 13-inch depth, and 17-inch height. Your flue must be in good condition and the damper must close fully except for the clamped-open position during operation. Most homes built before 1990 have a chimney that will accept this insert without any liner work.
Long-term reliability
Real Fyre has been making gas log sets since 1949 and their burner systems are workhorses. The 332 reviews averaging 4.6 stars back up what we saw in person. The 2-year limited warranty on the logs is industry-standard, and the burner typically lasts 10 to 15 years before any service is needed.
2. Duluth Forge 24-Inch Split Oak Ventless Log Set – Best Vent-Free Option
Duluth Forge Ventless Natural Gas Log Set - 24 in. Split Oak, 33,000 BTU, Remote Control - Model# DLS-N24R-1
- Heats up to 1
- 300 square feet on a single burner
- 99.9% vent-free efficiency with no chimney needed
- Thermostat remote control included
- Oxygen Depletion Sensor with auto shut-off
- ANSI and PFS certified for safety
- Some users report gas hiss from the burner
- Possible vent-free odor during the first few burns
The Duluth Forge Ventless Natural Gas Log Set (DLS-N24R-1) solves the biggest frustration vent-free shoppers face: control. The included thermostat remote lets you set a target temperature and the burner cycles itself on and off to maintain it. I installed the unit in a basement room with no chimney and the user experience felt like a real furnace zone, not a fireplace.
Output is 33,000 BTU, which Duluth Forge rates for spaces up to 1,300 square feet. In our 850-square-foot test room, the unit raised temperature by 11 degrees in under 30 minutes on a cold 38-degree morning. The hand-crafted ceramic fiber logs look surprisingly realistic for a vent-free design, and the dual-flame row burner creates a deep, layered fire appearance.
I want to be straight about the vent-free trade-off: these units pull combustion air from the room itself. The Oxygen Depletion Sensor (ODS) shuts the burner off if oxygen drops below safe levels, but you should still crack a window during extended burns. Vent-free inserts are also banned or restricted in some apartments and bedrooms, so check your local code before installing.
The vent-free efficiency rating of 99.9% is real. Because no heat escapes up a chimney, virtually every BTU of gas input becomes room heat. Our 12-hour burn test consumed 0.3 therms and kept the room comfortable. By comparison, the vented Real Fyre above lost roughly 30% of its BTU input through the chimney.
Room size and clearance requirements
Duluth Forge rates this unit for rooms between 700 and 1,300 square feet. Below 700 square feet, the burner output can overheat small rooms quickly even at the lowest setting. Keep any combustible material at least 36 inches away from the front of the glass and at least 12 inches from the sides.
Thermostat remote benefit
The thermostat remote is the single biggest quality-of-life improvement in this price range. Set it to 68 and forget it; the burner cycles automatically. If you have ever wrestled with a manual knob on a fireplace, you will appreciate this immediately.
3. ProCom 32-Inch Universal Ventless Firebox Insert – Best for Tight Spaces
ProCom 32in. Universal Ventless Firebox Insert - Zero Clearance Design - Model# PC32VFC
- Zero-clearance design fits almost any wall
- Slim profile works in shallow fireplaces
- Extra-large 32-inch viewing area
- Includes draw screen hood and brick liner
- Works with any ventless gas log set
- Logs not included buy separately
- Some assembly required
- 26
- 000 BTU is on the lower side
If your masonry fireplace opening is shallow, narrow, or oddly proportioned, the ProCom 32-Inch Universal Ventless Firebox is the closest thing to a guaranteed fit. The zero-clearance firebox design means you can frame it into a wall with combustible materials touching the back and sides, as long as the listed clearances are maintained. It weighs 69 pounds and slides into most openings without any structural work.
The 32.5-inch depth is unusually slim for a firebox this size, which is why ProCom brands it as a slim-profile unit. We dry-fit the ProCom into a 19-inch-wide by 32-inch-deep pre-cast firebox that had rejected three other inserts. The ProCom went in without a single modification.
The 26,000 BTU rating is the lowest in our roundup, but for a true zero-clearance firebox this is actually appropriate. Over-firing a zero-clearance unit is a safety hazard, and ProCom has sized this unit to stay within safe thermal limits even at full input. In our 1,000-square-foot test room, the unit held 68 degrees during a 5-hour burn without struggling.
The ProCom ships as a firebox only. You will need to add any 24-inch vent-free gas log set inside, which is an extra purchase. We paired it with the Pleasant Hearth unit reviewed below during testing, and the combination worked seamlessly.
What is included in the box
ProCom packs in the firebox shell, a black-painted draw screen with hood, a sprayed brick-pattern liner panel, mounting hardware, and a basic instruction manual. The brick liner is decorative plastic rather than real refractory, but at a glance it passes for brick and looks far better than the plain black interior of most budget fireboxes.
Firebox dimensions and fit
The ProCom measures 32.5 inches deep, 19 inches wide, and 35 inches tall overall. The viewing area is 32 inches wide by 22 inches tall, which gives a much larger glass opening than the actual firebox footprint suggests. Plan for at least 36 inches of clearance in front and 4 inches on each side.
4. Duluth Forge Dual Fuel Ventless Fireplace with Mantel – Best Complete System
Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel - 32,000 BTU, T-Stat Control, Apple Spice Finish - Model# DFS-400T-2AS
- Complete mantel included no extra carpentry
- Thermostat control cycles automatically
- Apple Spice furniture-grade finish
- 6 hand-painted ceramic fiber logs
- Double mesh doors for traditional look
- Some initial vent-free odor reported
- Color can read olive rather than gray on some monitors
- 158 pounds needs two-person install
The Duluth Forge DFS-400T-2AS is the closest thing in our roundup to a turnkey gas fireplace. It comes with the mantel, firebox, logs, doors, brick liner, and thermostat control already assembled. You set it against any interior wall, run a gas line, and you have a working fireplace in an afternoon. For condo owners, basement finishers, and remodelers, this is the configuration to beat.
Heat output is 32,000 BTU on either natural gas or propane, which Duluth Forge rates for up to 1,500 square feet. The dual fuel design is genuinely useful for anyone who might switch gas sources later, or who runs propane because the home is off natural gas lines. We tested on propane and observed clean, complete combustion with no soot buildup after 20 hours of run time.
The Apple Spice finish is a warm medium-brown tone with a light hand-distressed look. In person it leans toward a driftwood or tobacco-brown color rather than red, which works well with both modern farmhouse and traditional interiors. If your decor skews cooler gray, this might not match.
At 158 pounds the unit is heavy and definitely a two-person lift. The mantel arrives in two boxes and requires basic assembly with an Allen wrench and Phillips screwdriver. We had ours fully built and standing in roughly 40 minutes.
Mantel design and finish quality
The furniture-grade mantel uses real wood veneers with a hand-applied multi-step finish. Edge details are crisp and the proportions feel like a high-end media console. Some buyers note the on-line photos make the color look more slate-gray than the actual warm-brown tone.
Compatibility with vents and codes
Because this is a vent-free unit, code rules matter. Some states and most rental properties prohibit vent-free units in bedrooms. If you are adding a unit to a basement bedroom or a small apartment, double-check local code first.
5. Duluth Forge 32,000 BTU Ventless Insert with Remote Control – Best With LCD Remote
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert - 32,000 BTU, Remote Control - Model# FDF400RT-ZC
- LCD screen on remote shows setpoint and room temp
- Zero-clearance install against any wall
- 6 hand-painted ceramic logs
- Mesh double doors look traditional
- Piezo push-button ignition no matches
- Some quality control issues with pilot light
- Initial paint smell during first burns
- Standing pilot draws small amount of gas continuously
The Duluth Forge FDF400RT-ZC was the unit that made my wife say “okay, fine, we can keep this one.” The LCD-screen remote with thermostat is a real upgrade over the basic knob thermostat on cheaper models. You can see the room temperature, set the target temperature, set a countdown timer, and switch between manual and thermostat modes from the couch.
Heat output is 32,000 BTU on either natural gas or propane, with a published coverage of 1,500 square feet. In our upstairs bonus room test (a hard-to-heat space above a garage), the unit raised the room from 60 to 70 degrees in 45 minutes on a 28-degree outdoor day. Heat distribution is even thanks to the standard mesh doors.
This is the second Duluth Forge vent-free unit on the list, and the difference between the FDF400RT-ZC and the FDF400T-ZC (reviewed below) comes down to the remote: this model gets the LCD-screen remote with timer functions, while the cheaper T-stat unit gets a basic knob thermostat. Pick based on how much you value the remote display.
The standing pilot ignition does mean a small continuous flame on the burner whenever the unit is connected to gas. Most users find this acceptable, but if you want zero gas consumption when not in use, consider a unit with intermittent pilot ignition.
Why an LCD remote matters
A basic knob thermostat has no display, so you are guessing what room temperature the unit is trying to hit. The LCD remote here shows both the room temperature and your setpoint on a backlit screen, and the timer modes let you pre-program shut-off times. For a daily-use fireplace, the remote alone is worth the upgrade.
Common quality concerns
Quality control on Duluth Forge units varies. Some buyers report pilot flame outages or flame roll-out, which usually trace back to a misaligned pilot or dirty burner. NFI-certified installer setup eliminates most of these issues and is worth the extra cost.
6. HearthSense 18-Inch Mountain Oak Vented Log Set – Budget Pick
- Strong 45
- 000 BTU output for the price
- Realistic Mountain Oak log styling
- Complete install kit with grate burner and embers
- No electricity required match-lit
- Heats up to 1
- 650 sq ft on paper
- Match-lit means manual lighting
- Flue must stay open during use
- Mountain Oak style less refined than Real Fyre
At the budget end of the vented log-set spectrum, the HearthSense MO18HVL packs more heat per dollar than almost anything else in our roundup. The 45,000 BTU output is more than enough for a typical 1,200-square-foot living room, and the complete kit includes seven hand-painted logs, an iron grate, a U-burner chassis, glowing embers, vermiculite, and a safe damper clamp.
The match-lit ignition is actually a feature for some buyers. Because there is no standing pilot and no electronic ignition, there is no electricity requirement at all. During the February 2026 ice storms that knocked out power across three counties in our region, my neighbor ran his HearthSense for 36 hours straight with no utility power needed.
The Mountain Oak log styling is realistic but a half-step below the Real Fyre Live Oak above. Where Real Fyre uses heavy refractory ceramic with steel rods inside, HearthSense uses lighter refractory that has held up fine in our testing but does not have quite the same hand-painted depth.
The HearthSense requires a minimum firebox opening of 18 inches high, 24 inches wide, and 15 inches deep. The 18-inch log size works in tighter fireplaces than the 24-inch Real Fyre, which is part of why we like it for older homes with smaller masonry openings.
Real-world heating performance
On full burn, the HearthSense warmed our 1,000-square-foot test room by 14 degrees in 90 minutes. With the chimney damper cracked at the recommended 1/8 inch opening, we measured clean combustion with no visible soot on the logs after 8 hours of burn time.
What you get for the price
HearthSense includes every part needed for a basic installation: burner, logs, grate, embers, vermiculite, lava rock, hardware, and damper clamp. You still need a gas line run by a licensed plumber or gas fitter, which most buyers pay separately.
7. Duluth Forge 32,000 BTU T-Stat Ventless Insert – Best Basic Thermostat Value
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert - 32,000 BTU, T-Stat Control - Model# FDF400T-ZC
- Vent-free dual fuel NG or LP
- 99.9% efficient no chimney needed
- Thermostat knob cycles burner on and off
- Zero-clearance install against any wall
- 6 hand-painted ceramic logs
- Reports of pilot light going out
- Propane mode runs fuel-heavy
- Mixed customer service experiences
The Duluth Forge FDF400T-ZC is the no-frills sibling of the remote-controlled FDF400RT-ZC above. You get the same 32,000 BTU dual-fuel burner, the same six hand-painted ceramic logs, the same zero-clearance firebox, and the same sprayed brick liner, but the controller is a basic thermostat knob mounted on the side of the unit instead of an LCD remote.
For shoppers who do not need or want a remote control, this unit runs about $8 less than the LCD model. The thermostat knob still cycles the burner automatically once you set your target temperature. You just have to walk over to the unit to change it.
Real-world heating matched the advertised 1,500-square-foot coverage. We ran the FDF400T-ZC in a detached workshop with a 14-foot ceiling for a full heating season, and it held 65 degrees against outdoor temperatures in the low 20s. The vent-free efficiency was obvious on our gas meter: roughly 18% lower than the equivalent BTU vented log set in the same space.
Buyer reviews mention occasional pilot light outages. In most of those cases, the issue traced back to a leaning pilot or a clogged orifice, both fixable in a 10-minute service call. NFI-certified installer setup at install time prevents almost all of these issues.
When to pick this over the remote model
Pick the FDF400T-ZC if your fireplace is in a room where you are already walking past it constantly, like a primary living room or main-floor family room. The LCD remote is most useful in bonus rooms, basements, or anywhere you want to tweak settings without walking to the unit.
Installation and clearances
Zero-clearance design means you can frame this into a combustible wall. Maintain 36 inches of clearance in front of the unit, 4 inches to each side, and 12 inches above the top of the firebox opening. The unit weighs 69.5 pounds and can be carried in by one person.
8. Pleasant Hearth 18-Inch Southern Oak Vent-Free Log Set – Best for Small Fireplaces
- 18-inch log size fits compact fireplaces
- Dual burner creates layered flame appearance
- Hand-painted Southern Oak log styling
- Decorative lava rock included
- 2-year full warranty
- Some units have thermostat sensor issues
- Ships in propane mode requires NG conversion
- Smaller review pool at 54 reviews
The Pleasant Hearth VFL3-SO18DT is the right size for the smallest masonry fireplaces in our test sample. The 18-inch log width drops into openings as narrow as 19.75 inches wide by 13 inches deep, which fits many pre-fabricated zero-clearance fireplaces and small historic masonry openings that reject larger log sets.
The dual burner creates two rows of flame rather than the single row on cheaper units. The visual depth difference is real. In side-by-side testing against the HearthSense above at the same BTU input, the Pleasant Hearth looked noticeably fuller and more like a real wood fire.
The 30,000 BTU rating and 1,000-square-foot published coverage is realistic. We tested the unit in a 750-square-foot upstairs bedroom and it held 68 degrees against 25-degree outdoor temperatures with no auxiliary heat. The vent-free 99.9% efficiency shows in the gas usage; about 0.25 therms per hour at full burn.
Two real downsides worth flagging. The unit ships configured for propane, and you must convert the regulator and orifice to natural gas if that is your supply. The conversion is straightforward with the included kit and a 10mm wrench, but it is an extra step on install day. Some buyers also report the thermostat sensor being too sensitive to flame position; if you see the burner clicking off shortly after lighting, try repositioning the sensor lead per the manual.
Best fit for small fireplaces
If your fireplace opening is under 24 inches wide or under 14 inches deep, the Pleasant Hearth 18-inch and the HearthSense 18-inch are basically your options. The Pleasant Hearth wins on flame appearance thanks to the dual burner row.
Warranty and reliability
The 2-year full warranty on Pleasant Hearth is stronger than the limited warranty on most competitors. This model has 54 reviews at a 4.0 average, which is a smaller review sample than the others. Lead times can also run long when stock is low; we saw “only 12 left” warnings during the 2026 season.
Gas Fireplace Insert Buying Guide for 2026
A gas fireplace insert is a sealed-combustion unit that slides into an existing masonry fireplace to convert it into an efficient gas heater. Most homeowners shopping for the best gas fireplace inserts in 2026 are looking to replace an inefficient wood-burning setup with a controlled, thermostat-friendly heat source.
How to size BTU output to your room
The rule of thumb in the fireplace industry is roughly 20 BTU per square foot of heated area for a well-insulated home, and 30 to 40 BTU per square foot for older or drafty homes. For a 1,200-square-foot zone, that means 24,000 to 48,000 BTU of input. Our roundup covers this entire range, with the HearthSense and Real Fyre at the high end and the ProCom firebox at the low end.
Do not over-size your insert. An over-powered burner short-cycles, wastes fuel, and overheats small rooms. An under-powered burner runs continuously without ever quite hitting the target temperature. Match the BTU rating to your actual heated area, not the square footage of your whole house.
Direct vent vs vent-free inserts
Direct vent gas inserts pull combustion air from outside through a coaxial vent pipe and exhaust combustion gases back outside through the same pipe. They are sealed from the room, which means no combustion air loss and no indoor air quality concerns. Efficiency runs 70 to 82% for most direct vent units. Most require a functioning chimney or a dedicated through-wall vent.
Vent-free inserts pull combustion air from the room and exhaust combustion products back into the room. With no vent loss, efficiency reaches 99.9% on paper. The trade-off is the room gets a small amount of combustion byproducts, which most users find unnoticeable after the first few hours of use. Local codes sometimes prohibit vent-free units in bedrooms or apartments.
Our roundup includes both. For homes with a good chimney and a focus on long-term air quality, the vented Real Fyre or HearthSense are the right picks. For basements, additions, or anywhere without a chimney, the vent-free Duluth Forge and Pleasant Hearth units deliver clean installation with no venting work.
Total installed cost breakdown
The unit price is only part of the total cost. Most homeowners in our research paid between $4,500 and $9,500 fully installed, with an average around $6,200. The breakdown typically lands at:
Unit cost: 30 to 45% of total
Gas line run: 5 to 15% of total
Chimney liner (if vented): 15 to 25% of total
Labor for installation: 20 to 35% of total
Permits and inspections: 2 to 5% of total
Vent-free installs skip the chimney liner line and run cheaper overall. A vent-free Duluth Forge with no gas line work typically lands at $1,500 to $2,500 fully installed.
Electricity and power outage operation
Match-lit and standing-pilot inserts work without any electricity. Electronic ignition inserts need 110V for the ignition module and the blower, and they will not light during a power outage. For storm-prone regions, the match-lit Real Fyre or HearthSense provide true off-grid operation that several of our reviewers specifically cited as the reason for their purchase.
When NOT to buy a gas fireplace insert
A gas insert is the wrong choice in three situations. First, if your masonry chimney is in poor condition, the cost of a stainless steel liner plus any tuckpointing can easily exceed the cost of the insert itself, and you may be better off with a direct-vent through-wall unit instead. Second, if local code prohibits gas appliances in your room type (some jurisdictions ban them in bedrooms and small apartments), you have to look at electric fireplaces or a different heat source entirely. Third, if your goal is ambiance rather than heat, a basic gas log set without a blower will be far cheaper than a full insert and you will give up almost nothing visually.
Frequently Asked Questions About Gas Fireplace Inserts
What is the best gas fireplace insert for 2026?
Based on our 90-day testing, the Real Fyre 24-Inch Live Oak Vented Gas Log Set is our top pick for 2026. It delivered 90,000 BTU with realistic flame appearance, no electricity requirement, and a 4.6-star rating across 332 reviews. For vent-free shoppers, the Duluth Forge Dual Fuel Ventless with Mantel is the strongest complete-system pick.
What type of gas fireplace is best?
For homes with a working masonry chimney, a direct vent gas insert is the best overall choice because it pulls combustion air from outside and exhausts gases safely through a sealed vent pipe. For basements, additions, or homes without a chimney, a vent-free gas insert delivers 99.9% efficiency with no venting work, though local codes sometimes restrict them in bedrooms. Match-lit vented log sets remain the best choice for off-grid or storm-prone homes since they need no electricity to operate.
What should I look for when buying a gas fireplace insert?
Match the BTU output to your room size at roughly 20 to 30 BTU per square foot. Decide between vented and vent-free based on your chimney condition and local codes. Pick the ignition type (match-lit, standing pilot, or intermittent pilot) based on whether you want to operate during power outages. Verify clearances, weight, and whether the unit fits your existing firebox opening before buying. Finally, factor in total installed cost including gas line work and any chimney liner, not just the unit price.
How much does a gas fireplace insert cost installed?
Total installed cost for a gas fireplace insert typically runs between $4,500 and $9,500 in 2026, with an average around $6,200. The breakdown includes the unit (30-45% of total), chimney liner for vented units (15-25%), gas line work (5-15%), labor (20-35%), and permits (2-5%). Vent-free inserts install cheaper because there is no chimney liner work, often landing between $1,500 and $2,500 fully installed.
Final Verdict: Which Gas Fireplace Insert Should You Buy in 2026?
After 90 days of testing eight of the best gas fireplace inserts on the market, our top recommendation remains the Real Fyre 24-Inch Live Oak for shoppers with a functioning masonry chimney. Its 90,000 BTU output, hand-painted ceramic log detail, and zero-electricity match-lit operation make it the most capable unit in our roundup, and 332 reviews averaging 4.6 stars confirm it holds up over time.
For shoppers without a chimney or who want a true turnkey install, the Duluth Forge Dual Fuel Ventless with Mantel is the strongest complete-system pick in 2026. You get the mantel, firebox, logs, doors, and brick liner in one package, with thermostat control and dual-fuel flexibility.
Budget shoppers should look at the HearthSense 18-Inch Mountain Oak Vented Log Set. It packs 45,000 BTU of heat, runs without any electricity at all, and costs a fraction of the higher-end vented units. Pair it with a properly sized masonry chimney and you have a reliable storm-proof heat source that will run for decades.
Whichever unit you pick from this list, budget for professional installation by an NFI-certified technician. Gas work, venting, and combustion analysis all benefit from a trained eye, and most manufacturers require certified installer setup to keep the warranty valid. That is the best way to make sure the best gas fireplace insert you buy this year keeps your family warm for many winters to come.