Alares Architects & Engineers
Insight · May 7, 2026

Why commissioning pays for itself.

Most facility managers we talk to think of commissioning as a regulatory checkbox — something the spec calls for at the end of a project, signed off and forgotten. It's not. Done right, it's the single most reliable way to make sure your building actually does what its design says it will.

Air handler commissioning
Topic

Commissioning

Read time

4 minutes

Published

May 7, 2026

Audience

Facility managers · Owners

What commissioning actually does

Commissioning (Cx) is a third-party verification process. We test systems — air handlers, chillers, controls, fire alarm, medical gas — under real operating conditions, against the design intent, and document where they fall short. Then we work with the contractor to fix it before the warranty period expires.

That's it. No magic. The leverage is in the rigor.

Three places it earns its keep

1. Catching design-vs.-reality gaps before occupancy

Every project we've worked on has had at least one system that came in working "kind of" — fans set to the wrong CFM, dampers stuck open, sequences of operation that look fine on paper but fight each other in the field. Commissioning surfaces these issues while the contractor is still on the hook. After substantial completion, the same fixes become change orders.

2. Calibrating systems to design intent

A boiler plant rated for 95% efficiency rarely runs there in year one. Pumps oversized to handle peak load run at 30% all summer, burning power. We tune setpoints, sequences and trim levels until the system actually performs the way the design said it would.

On a recent VA campus retrocommissioning project, this work surfaced six-figure annual energy savings — without replacing a single piece of equipment.

3. Documentation operations can actually use

Most as-built drawings rot in a binder. Commissioning produces something different: a verified record of how every system was set up, what the sequences are, and what to do when something drifts. Two years later, when something breaks at six in the morning, that document is what saves the call-back.

What about retrocommissioning?

If your building is more than ten years old and has never been formally commissioned, retrocommissioning typically pays back in 18–24 months. We've retrocommissioned over 80 million square feet of healthcare and federal space; the savings curve is consistent — 8–15% of annual energy spend, with no capital project required.

Bottom line

If you're planning a new build, commission it. If you've inherited an aging facility, retrocommission it. The work pays for itself, and what you learn carries forward to every operating decision after.

Need a commissioning agent?

Whole-building, HVAC, retrocommissioning, CHP and solar PV — over 50 million square feet commissioned and counting.

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