Blowers & Fans for Air-Cooled Draft Beer Towers
Air-cooled towers rely on a steady stream of cold air pulled from the walk-in cooler up through the tower to keep the beer line — and the beer inside it — at serving temperature all the way to the faucet. A blower or fan is what actually moves that air; without one, an air-cooled tower on anything but the shortest run will let the beer warm up before it pours.
When You Need a Blower
- Forced-air remote draft systems — any air-cooled tower with a run under roughly 25 ft still needs active airflow, not passive convection, to hold temperature reliably
- Multi-tap towers — more beer lines inside the column mean more thermal mass to cool, which needs stronger, more consistent airflow than a single-tap setup
- Warm ambient environments — kitchens, outdoor bars, or any space warmer than a standard bar floor puts more demand on the blower to keep pace
Blower vs. Going Glycol
A blower is the right fix for a run under about 25 ft. Beyond that, or in a persistently warm space, a blower alone usually can't keep up — that's the point where a glycol chiller becomes the more reliable choice instead of pushing a bigger fan.
Not sure if your setup needs a blower or a full glycol upgrade? Contact us with your run length and tower type.
Tower Blower FAQ
My air-cooled tower still pours warm beer even with a blower — what's wrong?
Either the blower isn't strong enough for the run length and tap count, or the tower has simply outgrown what forced air can handle — this is the most common sign it's time to move to a glycol-cooled setup instead of troubleshooting the blower further.
Do I need a blower if my tower sits right on top of the kegerator?
Often not — a very short direct-draw run can rely on passive cold air rising into the tower without active airflow. A blower becomes necessary once the run has any real distance or the tower has multiple taps drawing more thermal load.
