Efficiency Opportunities in Practice10 / 13
Refrigeration & Glycol System Optimisation
Tuning fermentation and conditioning cooling — setpoints, glycol loop design and free cooling — for the cellar's round-the-clock load.
10 min read · Jacob Willis, Net Zero Lead · Last reviewed July 2026
The refrigeration and cooling demand lesson showed that fermentation and conditioning are the brewery's biggest electrical load. This lesson looks at three ways to run that plant harder for less, none of which require touching a single food-safety limit.
In this lesson
- 01Multi-temperature glycol loops
- 02Setpoint review within validated limits
- 03Free cooling from the winter climate
- 04Putting the three together
- 05Sources and further reading