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Commissioning - Problem Set 1.1

Source(s) or Contributor(s)
Pacific Northwest National Laboratory
Question

1. According to the NREL model, what percentage of the energy used in HVAC systems is estimated to be attributed to installation-related faults, leading to a substantial financial burden on utility bill payers?

2. Identify one symptom of insufficient airflow in an HVAC system and explain its potential impact on occupant comfort.

3. List some potential consequences of incorrect refrigerant charge in an HVAC system.