International Indoor Air Quality Institute


The IIAQI offers a membership program for professionals involved or wish to get involved in IAQ assessment and management. Our membership program provides access to exclusive resources, networking opportunities, and discounts on our leading IAQ certification and training courses.

Explore the benefits

  • Healthy IAQ Certificate Assessments

    For Commercial and Residential premises to have a Healthy IAQ Certificate they must use an IIAQI Assessor AP (accredited professional) to make the assessment and communicate with the Institute. You will feature on the IIAQI member directory and the interested for a certificate can find the assessor on it

  • 10% Discount on the Healthy IAQ Certificates

    To pass along promotional discounts to your clients and customers, giving you a competitive advantage in the market.

  • Access exclusive discounts

    Discounts on education programs and events

  • Recognition in the IIAQI member directory

    Get your professional profile listed in our exclusive member directory, showcasing your expertise and connecting you with potential clients and collaborators

  • Support

    You have access to our library of knowledge resources, the IIAQI online community, and for those complex cases, you can count on IIAQI consulting services.

Membership Fees


29 /per month


299 /per year
2 months free

Requirements For Professional Membership

  • Over the age of 18
  • Pass the IIAQI Assessor AP course exam or hold one of the accepted qualifications
  • 20 hours of CPD (continuous professional development) per year

* Accepted Qualifications:

  • ACAC:
    • Indoor Environmental Investigation & Consulting: CIEC, CIE, CRIE
    • Indoor Air Quality Administration: CIAQM, CIAQAM
  • BOHS:  M Series
  • OHTA: International Certificate in Occupational Hygiene (ICertOHTA)
  • GOBGC: Certified Industrial Hygienist (CIH)

Indoor Air Quality Course

Our IIAQI Assessor AP (Accredited Professional) course

IAQ Education & Events

We offer a range of educational programs on indoor air quality

IIAQI Assessor AP Directory (Coming Soon)

Accredited IAQ Assessments (Coming soon)