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COVID-19 Update:

To protect the health of our staff and our customers, Efficiency Vermont offices are closed to the public. In the meantime, our customer support team is available to help you remotely. Contact us at (888) 921-5990 or

We have cautiously begun scheduling project related site visits when required. You can find more information on our safety protocols here.

What is Indoor Air Quality (IAQ)?


Heating, Cooling & Ventilation, Weatherization and Envelope - Introductory | 40 min training
Professional Credits: 1
October 1, 2020

Learn what Indoor Air Quality is and why it matters. This session explores common indicators, sources and measurement techniques.

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