How to prevent overnight chiller failure from ruining a batch

Overnight glycol and chiller failures are among the most expensive surprises in a craft brewery—one system problem can affect every tank on the loop.

Why overnight failures are so expensive

When a chiller or glycol system fails overnight, fermentation vessels on the loop can drift for hours before anyone arrives. By morning, multiple active batches may be out of spec, and your options are limited to salvage, blend, or dump. The cost is not just beer—it is labor, scheduling disruption, and customer commitments.

Warning signs manual checks miss

Scheduled tank walks and morning chiller checks help, but they leave gaps:

  • Failures that start after the last walk and before the first check
  • Slow glycol supply warming that does not trip a local alarm
  • Weekend and holiday periods when fewer staff are on-site
  • No centralized log showing exactly when conditions changed

What to monitor

A practical monitoring setup usually includes glycol chiller supply or return temperature plus fermentation tanks on the affected loop. Cold storage may be separate but follows the same alert principles. The goal is earlier notice—not a guarantee that nothing will ever fail.

See our glycol chiller monitoring use case for how breweries approach this.

How alerts reduce response time

Smart alerts notify your team when configured readings drift or equipment stops responding. Off-site staff can decide whether to send someone in, adjust setpoints remotely where control is configured, or prepare for an early cellar visit—depending on your setup and practices.

Where FermaStat fits

FermaStat monitors configured chillers, tanks, and cold storage with real-time telemetry, smart alerts, and cloud logs. Many breweries start with chiller plus tank monitoring before adding control. Request a pilot to get a recommended device map for your cellar.

Ready to protect your next batch?

Request a FermaStat pilot and get a recommended setup for your brewery.