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Building Enclosure Commissioning (BECx)

Our Services

Building Enclosure Commissioning (BECx)

Building Enclosure Commissioning (BECx) is a quality assurance and risk management process that validates a building’s ability to control air, water, vapor, and thermal transfer in accordance with design intent and real-world performance conditions. Rather than testing after construction is complete, BECx integrates verification from design through construction to confirm that every enclosure performs as intended.

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building-enclosure-commissioning

Why Building Enclosure
Commissioning Matters

The building enclosure is the first and most critical barrier protecting your investment. When air or water leaks occur, the consequences not only lead to energy loss but can also result in material deterioration, mold growth, warranty disputes, and safety hazards.

Early commissioning helps prevent those risks by identifying design conflicts, installation errors, and performance gaps before occupancy. At BECI, our commissioning engineers work directly with owners, architects, and contractors to deliver performance validation, documentation, and confidence.

Benefits of Early
Building Enclosure Commissioning

Early commissioning ensures performance, reduces risk, and supports measurable ROI. Projects that integrate BECx early benefit from:

  • Reduced rework and safety risk: Validate systems before failure occurs.
  • Improved energy efficiency: Improve thermal performance and lower operating costs through verified air and water control
  • Lower lifecycle costs: Avoid costly post-occupancy repairs and warranty claims.
  • Stronger LEED outcomes: BECx supports LEED Energy and Atmosphere credits, as well as sustainability goals.
  • Greater comfort and durability: Verified assemblies protect occupants and assets for decades.

To see how commissioning supports the long-term performance of existing properties, explore our Asset Evaluations and Reserve Studies services.

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Our Building Enclosure Commissioning Process

The ultimate goal of BECx is to achieve a high-performance building enclosure that enhances the building’s overall energy efficiency, durability, and indoor environmental quality while minimizing the risks of defects and failures.

BECI’s Building Enclosure Commissioning process encompasses several key phases:

Pre-Design/Design Phase

We evaluate drawings and specifications to confirm that materials, assemblies, and transitions meet performance expectations for air, water, vapor, and thermal control.

Pre-Construction/Construction Phase

Our team provides on-site observation, reviews mock-ups, and performs ASTM and AAMA testing to verify installation quality and real-world performance.

Occupancy and Operations Phase

We confirm final system integrity through field testing and deliver defensible documentation that validates compliance and long-term enclosure performance.

Ready to build performance into your project from day one?

Schedule a BECx Consultation Today