Indoor Air Quality : How to Select a Contractor

  1. Can the company show proof of NADCA membership and certification?
  2. How long has the contractor been in the business?
  3. Can they provide you with certificates of current WC and General Liability insurance?
  4. Will they provide you with 3 to 5 references for similar sized and scoped projects?
  5. Does the contractor have written safety, respiratory, and confined space programs?
  6. Will the contracting company actually do the work or will they subcontract?
  7. Will the company be assigning an Air Systems Cleaning Specialist (ASCS) to your project that will be responsible for the complete project?
  8. If there is any remediation of mold, does the company have IICRC Certified mold remediation technicians who will perform the work?