Monitoring and Assessment

Commission, Retro-Commission or Recommission Building

What Is It?

Commissioning: Building commissioning is a systematic and documented process of ensuring that a building is functioning to the owner’s operational needs by making sure its systems perform efficiently and its operators are properly trained.

Retro-commissioning: For existing buildings, the commissioning (also known as retro-commissioning) usually focuses on identifying and fixing existing problems, which may have been present at initial construction or developed over the life and use of the building.

Recommissioning: For buildings that have undergone either commissioning or retro-commissioning, recommissioning may be necessary at some point in the future as a check-up, either by a new owner or building manager, or simply to ensure systems are continuing to function properly.

In general, commissioning is recommended upon construction completion, after any renovation, and after set periods of normal building operation.

Benefits

Building commissioning is beneficial for both new/existing building owners and occupants. For new construction projects, building commissioning reduces the risk of system malfunctions and provides a comprehensive method to assess and improve the way its systems interact and operate. Commissioning also allows building owners to detect problems early on, which frequently results in less expensive resolutions and fewer disputes between the owner and contractor. For existing buildings, retro- and recommissioning identify areas that require improvements to create a safer and more comfortable building while also leading to lower energy use and maintenance costs.

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