NIA Certified Thermal Insulation Inspectors™

Browse the complete list of NIA Certified Thermal Insulation Inspectors™ by clicking "See All" below, or select any combination of the following criteria and click "Search".

Inspectors listed under a company name denoted in green are current NIA members.

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NIA's new Thermal Insulation Inspector Certification™ program educates and trains insulation inspectors on how to evaluate installation work and determine whether it is compliant with mechanical insulation specifications.

Become a Certified Insulation Inspector

To find out more or to register for an upcoming course, please visit or email