# Define acceptance evidence and continued review

Lesson 3 of [Manage HVAC and indoor air quality projects](https://hvacpros.fyi/academy/manage-hvac-air-quality-projects.md), 10 minutes.

An HVAC or indoor-air project needs a way to decide whether the agreed work was completed and whether the original problem remains. EPA's commercial Building Air Quality Guide overview includes criteria for assessing mitigation strategies, determining whether a problem has been resolved and deciding…

The rest of this lesson is for learners enrolled in the course. [See how Manage HVAC and indoor air quality projects works](https://hvacpros.fyi/academy/manage-hvac-air-quality-projects.md).

Also on the [web page](https://hvacpros.fyi/academy/manage-hvac-air-quality-projects/define-acceptance-and-review).