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A Sentry Pac Pro™ aeration controller doesn't replace your fans — it makes sure they're only running when it actually helps. That means: Getting the entire bin to a consistent moisture content, instead of hoping the grain evens out on its own.

Every hour your aeration fans run costs you something. Multiply that by a whole season of guesswork — running fans all night when the grain only needed 30 minutes, or forgetting to shut them off for three days straight — and it adds up to real money leaking out of your operation

We sat down on the front porch with a grain farmer who's run Sentry Pac since 1992. When we asked what he'd tell skeptics who question going without cables, he didn't hesitate: "Go ahead and spend tens of thousands of dollars on something you don't need."

As we enter the crucial period of soybean and corn harvests this fall, I’d like to highlight some key details from our manual that can truly enhance your harvest process, especially concerning cooling the grain effectively while maintaining the desired moisture levels.

Proactive is exactly that: preventing grain from ever going out of condition so you never have to react to a negative situation inside your bin. Reactive is the opposite — you only know something's wrong when you see elevated CO2 from respiration or you discover a hotspot in the grain.

In essence, the Pac Pro™ takes the guesswork out of aeration by letting you program the exact parameters for airflow, moisture content, and temperature that you want to maintain in your grain bins.

Many systems respond to these problems by over-aerating. This reactive approach is not how we operate.

Sentry Pac Pro™ with 40 years of proven value, now is getting upgraded with connectivity!