NexExec Suites

11409 Business Park Circle
Firestone, CO 80504


Certification: Wednesday/Thursday 8:00am - 5:00pm; Friday 8:00am - 3:45pm

  • Sept 29 - Oct. 1, 2021


Re-certification: Friday 8:00am - 5:15pm​

  • Oct. 1, 2021 

Please note: If your certification expires any day prior to the course date, you must request an extension from CAOHC at https://www.caohc.org/training-and-certifications/occupational-hearing-conservationist/about-the-training/ohc-recertification

Due to many federal, state, and municipal public health guidance and directives; and the current issues regarding COVID-19, CAOHC extended many certifications Until Sept. 30, 2021.


Sample Course Schedule


Due to the hands-on nature of the workshops, supervisors required and physical distancing recommendations; class size is limited.


Pre-registration and pre-payment are required.

Early Registration: registration/payment postmarked or received at least 10 calendar days prior to the course start date:

  • $700 Full Certification Course

  • $400 Re-certification Course

Late Registration: registration/payment postmarked or received within 7 calendar days of the course start date.

  • ​$800 Full Certification Course

  • $500 Re-certification Course


Payment is due by course date. An additional late payment fee will apply for any payments that are received after the course date.



  • Course materials

  • $75 certification / re-certification fee payable to CAOHC

  • Lunch 

  • Water, coffee, tea


If needed, there are hotels in the vicinity. Here are the ones that are closest:

  • Holiday Inn Express & Suites Firestone - Longmont: 11256 Business Park Circle, Firestone, CO 80504

  • Comfort Suites Longmont: 11292 Business Park Circle, Firestone, CO 80504

  • Best Western Firestone Inn and Suites: 11228 Business Park Cir, Firestone, CO 80504 

  • Can also stay (15 min away) in Longmont, CO


Notice of cancellation must be received by AIA ten (10) working days prior to the course start date for a full refund less a $100 cancellation fee. All other cancellations, including no shows, will NOT be refunded. Registrants unable to attend may send an alternate or transfer registration to the next available course provided by AIA.

AIA reserves the right to cancel any course and make a full refund of enrollment fees to registrant.

Upcoming Events

  • CAOHC Certification/Recert 2021
    Sept 29 - Oct. 1, 2021
    NexExec Suites
    Sept 29 - Oct. 1, 2021
    NexExec Suites, 11409 Business Park Cir, Firestone, CO 80504, USA
    Occupational Hearing Conservation course includes lectures, examinations, and hands-on practical workshop sessions that cover hearing testing, otoscopic screenings, & hearing protection fitting. This training complies with OSHA, MSHA and FRA requirements for personnel conducting audiometric testing.