Billows® BBQ Temperature Control Fan Kit

Rated 4.6 out of 5
Read 359 Reviews|288 Questions, 4,208 Answersor
SKU: TW-1600-KIT
Sale Price: $79.00

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includes power adapter Billows Kit includes fan, fan plug, fan port adapter, USB-C to USB-C cable, 12V power supply and cable, and flue tape. ThermoWorks compatible controller sold separately (required).

Optional Billows Mounting Kits are available
Please see the Q/A section to determine if you need one for your smoker.

2-year Warranty


Controller Compatibility: Works with any ThermoWorks controller
Control your cook more efficiently with Billows and RFX GATEWAY, ThermaQ 2, SmokeX, or Signals.

Made to Fit Most Smokers
Easy to fit into any smoker’s BBQ fan opening.
(Optional mounting kits are available.)

Cook perfect, succulent BBQ meats over the course of many hours without having to worry about flareups, burn-outs, vent adjustments, or tending the coals. Confidently control your BBQ with ThermoWorks quality precision.

Billows now comes with Open Lid Detection, Billows returns the smoker to your set temp much quicker.

  • Maintains constant temperature control (±10°F/6°C typical) over entire cook
  • Fastest initial speed-to-temperature
  • Lowest overshoot, stabilizes faster
  • Control stability exceeds other units
  • One integrated system to monitor and control smoker and meat temps
  • Cool-touch industrial-molded weatherproof composite
  • Uses replaceable USB-C connector cables
  • True charcoal flavor without the hassle of fire tending
  • Engineered in Utah by ThermoWorks

When connected to a ThermoWorks compatible controller (required), the Billows fan quickly gets your smoker up to the target cooking temperature and keeps it there. The powerful fan maintains precise temperature control, whether you’re cooking in a stick-burner, ceramic, barrel, or drum cooker. An optional expansion connection kit is available to pair two Billows with the same controller for large smokers or cookers, but you’re not likely to need it, as powerful as Billows is. Up your game today with Billows.

Optional Billows Mounting Kits (sold separately) may be used to attach Billows to certain types of smokers. See the Question and Answers section for more details.

359 Ratings
4.6out of 5 stars
359 Ratings

Rated 5 stars by 75% of reviewers

Rated 4 stars by 14% of reviewers

Rated 3 stars by 7% of reviewers

Rated 2 stars by 2% of reviewers

Rated 1 star by 2% of reviewers

1-10 of 359 Reviews
Rated 3 out of 5
Mar 13, 2025
Works very good, but...
This is my second Billows, the Billows works very good, it keeps the temperature within +/- 2 to 3*F in my drum smoker, I don't give it 5 stars because on my last Billows the gasket between the Billows and the smoker is not glued to the Billows, with my first Billows I just needed to make sure it's centered to the opening of the air inlet, with my last Billows, I now have to make sure that the Billows is centered to the air intake and that the gasket is placed correctly to seal the area between the Billows and the smoker otherwise you'll get an undesired air opening, when installing it in a tight space, it makes it difficult to ensure a correct seal.
Rated 5 out of 5
Mar 9, 2025
Impressed after first cook.
First overnight cook went even better than I thought it would. Held within a few degrees and no flareups.
Rated 5 out of 5
Feb 27, 2025
Dials in temperature effortlessly!!! Peace of mind is wonderful in doing any cook!! Thank you!!
Rated 5 out of 5
Feb 25, 2025
Simplified smoking
This works great on my weber smokey mountain smoker. As long as there is adequate fuel, the billows regulates the temp within 5 degrees. Before this product, I had to monitor the smoker, adjust dampers continuously. I also have a Treager and this does a better job regulating temp
Rated 5 out of 5
Feb 24, 2025
Best Add on for Smoker
Wow, I recently got this for my 9 year old Weber Smokey Mountain and this is a game changer. It kept the heat perfect for my cook and I didn't have to do anything. I set my briquettes up in a ring, and let the billows control the air flow. it was great.
Rated 5 out of 5
Feb 23, 2025
Fist cook with the Bellows
This thing is a complete game changer. I've got it paired up with my signals. First set of ribs I did. Not one temp alarm the whole cook. Im not used to just putting the meat on. And never making another adjustment. Best thing I've ever bought for my grill.
Rated 4 out of 5
Feb 21, 2025
effects are benefitted on lower quality cookers
This unit works as expected. I have to say that a temp controller on a large heavy gauge smoker like the Yoder flat top in 24x48 configuration made the cooker less stable. In my opinion, the natural draw of a great cooker is actually better than electronic control. However, on the Kamado Joe, it's very useful and exceptionally stable. The second you switch to a wsm, the natural draw is far more consistent on its own! I use lump charcoal on all of them. These are my findings. I'd only connect the billows to Kamado Joe if I wanted to leave the house. It's important to know that you lose convective heat with this device. For example, chicken needs the rushing air to crisp the skin.
Rated 4 out of 5
Jan 30, 2025
Bellows on a small kettle (Webber Jumbo Joe)
I'm using the Bellows in combination with RFX probe and RFX Gateway on my Webber 18" Jumbo Joe kettle.
With the setup shown I get about 2.5 hours @ 225 F with < +/- 10 F. Adequate but:

I would really like to see a little more finesse in the control algorithm to minimize those excessive over/under shoot temperature excursions.

Full PID is overkill and confusing for the user.

The Proportional term can be controlled by adjusting the airflow restrictor on the Bellows air inlet.

Implementing D (Rate) control to damp the excursions could bee done quite easily by using a Finite State Machine to check if the measured temperature is approaching the setpoint and how fast the temperature is changing.

i.e. - Temp Turn off fan early.
- Temp > Set | Temp falling too fast => Turn on fan early.

My case is extreme, Small thermal mass to help damp out overcontrol, need smarter control algorithm help!!!
Rated 5 out of 5
Jan 28, 2025
Billows
I installed billows on my offset smoker and sll my pled two pork butts yesterday. It worked amazing. It controlled the temperature to +/- 2 degree range for the entire cook time. That's amazing!! Thank you ThermoWorks.
Crp
Rated 5 out of 5
Jan 25, 2025
Game changer
I purchased the billows with the new RFX thermometers and the combination makes long cooks effortless. Going from an analog set up to wifi with wireless probes is a huge game changer. The only complaint I have - and it's being fixed per customer service - is that you currently can't see the pit and meat temps on the same screen in the app. The rep I spoke to said that's the #1 response they've received and it is being worked on. Looking forward to the app update!
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288 Questions
Why did you choose this?

For home built smoker.

Saw it on sorted food

Review seen on you tube

Automate my smoker.

Will this work on a Weber Smokey Mountain?

Yes, it will. Once Billows has been attached, we recommend closing off any intake vents (you can use the high temperature flue tape to do this) and almost closing the exhaust vent. Also, make sure you are not building the fire right next to the spot where Billows is attached.

Will Billows work with a Pit Barrel Cooker?

Yes, We have a mounting plate kit that will work for your Pit Barrel Cooker. While it is named Kamado Mounting Plates for Billows, you can use it with your Pit Barrel as one of the plates has a notch that you will use while attaching it to your smoker.

You can find the Mounting Plates here:

https://www.thermoworks.com/TX-1607X-M1

Here is a photo of Billows attached to a Pit Barrel Cooker using a Kamado Mounting Plate.

https://help.thermoworks.com/wp-content/uploads/2019/09/Billlows-Mounting-Plate-On-Pit-Barrel-Cooker.jpg

Will the Billows work on a large BGE?

You may purchase the Kamado Mounting Plates for Billows here: https://www.thermoworks.com/TX-1607X-M1 The plate sizes are: Large Plate: 3.54 H x 3.01 W x 0.01 D inches (90 H x 76.5 W x 0.5 D mm) Small Plate: 3.11 H x 2.75 W x 0.01 D inches (79 H x 70 W x 0.5 D mm)

Will Bellows work with Weber Smokey Mountain smokers?

Yes, it will. Once Billows has been attached, we recommend closing off any intake vents (you can use the high temperature flue tape to do this) and almost closing the exhaust vent. Also, make sure you are not building the fire right next to the spot where Billows is attached.

Does this work with the Smoke ?

Here's what you need to know:

1. You are able to track your cooks of Smoke+Smoke Gateway in the ThermoWorks BBQ app. There is one-way communication between the app and Smoke, meaning that the app receives temperature information from Smoke through Smoke Gateway, but the app cannot control or change any settings on Smoke's hardware. Smoke's hardware does not have the capability to control Billows and cannot be retrofitted to work with it.

2. There is 2-way communication between the ThermoWorks BBQ app and Signals, meaning that any changes you make on Signals' hardware is reflected in the app and any changes you make in the app is reflected on Signals. Signals' hardware was especially designed and built to control Billows. Because you can control Signals in the app, you can also control Billows in the app. You can also control Billows via Signals' hardware.

You can have both Smoke+Smoke Gateway and Signals connected to the ThermoWorks BBQ app, but you still can't control Billows with Smoke.

Will you have an adapter for the 22” Weber Kettle?

Yes, it will attach to your Weber Kettle. You can attach Billows by either using more high temperature flue tape to seal up the gaps or by drilling a 1.25 inch hole that you will use especially to attach Billows to your Kettle.

Here is a video tutorial by Learn to BBQ that demonstrates how to do this:https://www.youtube.com/watch?v=Da0gHrkINSo&t=2s

Make sure that Billows is out of the way of falling ash.

Is this compatible with the Smoke I bought just about a year and a half ago?

No, it is not. Smoke does not have the necessary circuitry to control Billows and cannot be retrofitted to include it.

Does the Signals unit along with the Billows fan have a “lid open” feature where Signals automatically knows when the cooker’s lid is opened and compensates with the fan to avoid overshooting target temps when the lid is replaced?

Update 11/27/19. Billows now includes the Open Lid Detection feature.

Can you use this with a Weber kettle without drilling a hole? It was mentioned that you can just use more flue tape to cover up the holes, where would you attach the billows though?

One of our customers reported that instead of drilling a hole, he made a baffle out of tin foil. Here's the photo he sent us:

https://help.thermoworks.com/wp-content/uploads/2020/02/Weber-Ranch-Kettle-Tinfoil-Baffle600.png

I have a Pitmaker Safe with a 2" ball valve for air intake, will you have an adapter to make this work?

The 2' ball mounting kit you'll use with your smoker is found here: https://www.thermoworks.com/billows-mounting-kit

Billows® BBQ Temperature Control Fan Kit

$79.00

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