A wood or gas fireplace throws plenty of heat directly in front of it and not much anywhere else. Most of that warm air just rises and disappears up the flue.
A blower kit fixes that: it pulls cooler room air across the firebox, warms it, and pushes it back out into the room instead of losing it up the chimney.
The catch is that blower kits are largely brand-specific — the one that fits a Heatilator won’t necessarily fit a Quadra-Fire. Below are five current kits matched to the fireplace brands they actually fit, plus one universal option that sidesteps the compatibility question entirely.
- Heatilator, Majestic, Lennox, Temco: the FireplaceBlowersOnline GFK4 kit is built specifically for this brand group.
- Need more airflow: the FireplaceBlowersOnline FBK-250 moves up to 250 CFM with two-speed control.
- Heat & Glo, Quadra-Fire, Hearth & Home: the GFK-160A / GFK-160 kit is the direct-fit match.
- Don’t want to match a brand at all: the AC Infinity AIRBLAZE T10 is a genuinely universal option with app-free automatic speed control.
The 5 Best Fireplace Blower Kits Right Now
- ★ Included With Purchase ★ – Replacement blower, three double stick foam pads (two on the back and one on the bottom of the blower), magnetically mounted thermostat, rheostat variable speed control, 3-prong power cord, pre-wired harness, installation instructions
- ★ Included With Purchase ★ – replacement 160 CFM ball bearing blower assembly, rubber isolation feet for noise reduction, magnetic automatic thermostat sensor, rheostat variable speed controller, heavy duty grounded 3 prong power cord, wire harness, installation instructions.
- A quiet blower fan kit with smart controls, designed to boost airflow coming from your fireplace.
- ✿The GFK-160A fireplace blower fan kit includes dual ball bearing blower, magnetic thermostat, rheostat variable speed control, 3-prong power cord, rubber mounting feet to reduce noise and vibration, rre-wired harness for easy installation, installation instructions. 1-Year return and exchange.
- 【Included With Purchase】The gfk4b fan kit for heatilator includes replacement blower, magnetically mounted thermostat, rheostat variable speed control, 3-prong power cord, pre-wired harness, three double stick foam pads (two on the back and one on the bottom of the blower), installation instructions.▶ The Heatilator Fireplace Blower Fan Cross Reference Numbers: GFK4, GFK4A, GFK4B, FK4, Rotom HB-RB74K, R7-RB74K.
Blower Kit Comparison
| Kit | Airflow | Fits | Best For |
|---|---|---|---|
| FireplaceBlowersOnline GFK4 | 130 CFM | Heatilator, Majestic, Lennox, Temco | That specific brand group |
| FireplaceBlowersOnline FBK-250 | 250 CFM | Universal mounting | Stronger airflow |
| GFK-160A / GFK-160 | 160 CFM | Heat & Glo, Quadra-Fire, Hearth & Home | That specific brand group |
| AC Infinity AIRBLAZE T10 | Variable, auto mode | Universal | Skipping the compatibility question |
| GFK-160A (broad-fit) | 160 CFM | Heat N Glo, Superior, Quadra-Fire, Hearth & Home, Heatilator, Majestic | Widest brand compatibility |
1. FireplaceBlowersOnline GFK4 Fireplace Blower Kit
Best for: Heatilator, Majestic, Lennox, Temco
Purpose-built for this specific brand group rather than a generic universal fit, which matters more than it sounds like — a blower sized and shaped for the wrong firebox opening just won’t seat properly no matter how good the motor is. It moves 130 CFM through triple cast aluminum blades, with three-speed control and mounting brackets for either side of the firebox.
- Direct fit for a well-defined brand group
- Three-speed control
- Mounts to either side of the firebox
- Won’t fit fireplaces outside its listed brand group
2. FireplaceBlowersOnline FBK-250 Fireplace Blower Kit
Best for: stronger airflow
Two-speed control and a 250 CFM ceiling give this kit noticeably more heating punch than the smaller 130–160 CFM kits on this list, worth the step up if you’re trying to heat a larger room off a single fireplace. Universal mounting brackets keep installation to either side of the firebox or chimney straightforward.
- 250 CFM — the strongest airflow on this list
- Two-speed control
- Universal mounting brackets
- Costs more than the lower-CFM kits here
3. GFK-160A / GFK-160 Fireplace Blower Kit
Best for: Heat & Glo, Quadra-Fire, Hearth & Home
The direct-fit blower for this brand group, moving 160 CFM through a sealed ball-bearing motor. If your fireplace is a Heat & Glo, Quadra-Fire, or Hearth & Home model, this is the one built for it rather than a generic substitute.
- Direct fit for Heat & Glo, Quadra-Fire, Hearth & Home
- Sealed ball-bearing motor
- 160 CFM airflow
- Brand-specific fit, not universal
4. AC Infinity AIRBLAZE T10 Universal Fireplace Blower Fan Kit
Best for: skipping the compatibility questionRather than matching a specific fireplace brand, this kit is built to mount universally and includes automatic speed control that adjusts output to firebox temperature without you touching a dial. Worth the look if you’d rather not spend time cross-referencing brand compatibility charts before buying.
- Universal mounting, no brand-matching required
- Automatic temperature-based speed control
- Runs quietly
- Costs more than a brand-specific direct-fit kit
5. GFK-160A Blower Fan Kit (Broad-Fit)
Best for: widest brand compatibility
This one lists compatibility across a wider spread of brands than most GFK-160-style kits — Heat N Glo, Superior, Quadra-Fire, Hearth & Home, Heatilator, and Majestic. Worth checking against your fireplace’s manual before buying, but a reasonable first stop if your model isn’t a clean match for picks #1 or #3.
- Fits a wide range of brands
- 160 CFM airflow
- Still worth confirming fit against your specific model before ordering
Video: How a Fireplace Blower Kit Works
Fireplace Blower Buying Guide
Check brand compatibility first
This is the single most important step, and it’s why most of the picks above are organized by brand rather than by feature. Blower kits are shaped to slide into a specific firebox opening — a kit built for a Heatilator generally won’t seat properly in a Quadra-Fire. Check your fireplace’s manual or model plate before ordering, or choose a genuinely universal kit like pick #4 to sidestep the question.
Installation location
In a gas or wood insert, the blower is usually installed below the unit. On many gas fireplaces, it’s mounted against the rear wall facing upward, and some setups place blowers on either side of the firebox instead. Whichever configuration your fireplace uses, the blower works the same way: it draws in cool room air, forces it up and over the heated firebox, and pushes it back out as warm air.
Airflow (CFM)
Cubic feet per minute (CFM) is the useful spec for comparing raw heating power — kits on this list range from about 130 to 250 CFM. A bigger room generally benefits from a higher-CFM kit, though installation location and how well your fireplace is already sealed matter just as much as the number on the box.
Speed control and thermostats
Fixed-speed kits are simpler and cheaper. Multi-speed and thermostat-controlled kits let the blower ramp down when the fire is low and up when it’s roaring, which is both more comfortable and more efficient than running one speed constantly.
Power requirements
Most kits plug into a nearby standard outlet with the included cord. If your fireplace doesn’t have one nearby, factor in the cost of adding an outlet or running an extension before you commit to a specific kit.
What Are the Benefits of a Fireplace Blower?
A blower cuts down on wasted heat by circulating warm air into the room instead of letting it rise straight up the flue, which can meaningfully reduce how hard your fireplace has to work to keep a room comfortable. It also helps even out room temperature instead of leaving you baking a few feet from the fire and cold everywhere else, and on larger fireplaces it can help protect the surrounding wall or brick from sustained high heat. For more on getting the most out of what you already have, see our guide on maximizing fireplace heat output.
FAQ
The Bottom Line
Match the kit to your fireplace’s brand first — that eliminates most of the guesswork. From there, it’s mostly a question of how much airflow you actually need and whether you want speed control that adjusts on its own or a simple fixed setting.
Product availability and pricing on Amazon shift constantly, so the picks above reflect what’s actually in stock right now, and the live listings throughout this page will update themselves if that changes.
Hi, my name’s Eugene Duke and I love sitting by my fireplace reading a book and sipping on an adult beverage. Do you have a fireplace in your house? I’ll help you figure out the best type and style of fireplace for your home.