January 21, 2026

Chiller Plant Efficiency Series – Introduction

Most chiller plants are managed as if “efficiency” were a single setting: a chilled-water setpoint, a condenser-water setpoint, or a pump DP setpoint.

That mindset is the root problem.

A chiller plant is not one machine. It is a system of machines, and every major component in that system has an efficiency curve—meaning its efficiency changes depending on where it operates.

C4SB: past and future (2022–2026)

The How and Why The Coalition for Smarter Buildings (C4SB) exists to solve a problem the building industry could not solve alone: how to deploy smarter

Chiller Plant Efficiency Series – Introduction

Most chiller plants are managed as if “efficiency” were a single setting: a chilled-water setpoint, a condenser-water setpoint, or a pump DP setpoint.

That mindset is the root problem.

A chiller plant is not one machine. It is a system of machines, and every major component in that system has an efficiency curve—meaning its efficiency changes depending on where it operates.

C4SB: past and future (2022–2026)

The How and Why The Coalition for Smarter Buildings (C4SB) exists to solve a problem the building industry could not solve alone: how to deploy smarter