IMPROVING ENERGY AUDITS WITH TECHNICAL RETRO-COMMISSIONING

摘要

echnical retro-commissioning (retro-Cx) is a systematic hands-on process that determines building system performance during actual operation. The technical retro-Cx process corrects ventilation- and energy-related problems in existing buildings and is also used to obtain actual operating data for audit savings calculations. There are two commonly used energy auditing approaches: process audits and technical retro-Cx audits. The process audit approach relies on the written work of others and includes a review of the test and balance reports, the temperature control sequences shown in the contract documents, a review of the plans and specifications, and a brief facility walk-through to determine corrective actions. ASHRAE calls this a Level I audit.