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Preventative Maintenance - Problem Set 2.2

  1. What types of assessments are needed in order to determine whether an HVAC system’s components should be cleaned or replaced?
  2. What are the four principles of particulate removal from HVAC systems?
  3. What are three precautionary measures to prevent cleaned HVAC surfaces from becoming re-contaminated during the cleaning process?
  4. What are three quality control measures contractors can utilize to verify an HVAC system’s cleanliness after cleaning is done?