The Marquis Intelligence FAQ provides answers to the most common questions about HVAC, heat recovery ventilation, air purification, and air treatment systems.

This page is organized into thematic sections covering residential and commercial ventilation, air filtration, bipolar ionization, and other technologies that improve indoor air quality.

The questions and answers are based on engineering practice, experience gained from completed projects, and current technical standards. They explain how these systems work, what they can achieve, and where their limitations lie.

Marquis Intelligence FAQ section helps readers understand how different technologies can improve indoor air quality and how to correctly apply them in real-world conditions.