Welcome to Marquis Intelligence – your trusted partner in indoor air quality, air purification, and home ventilation since 1992.

With over three decades of excellence, we design and implement advanced IAQ and ventilation systems for residential, commercial, hospitality, healthcare, and industrial environments.

Our expertise covers everything from turnkey air purification solutions to complex kitchen exhaust treatment and VOC control in high-end interiors. Every project is custom-engineered to maximize comfort, safety, and energy efficiency.

Marquis Intelligence has become a recognized name across Europe and the UK, with key milestones including:
• Continuous air quality improvements at London City Airport (LCY) since 2015
• Our award-winning system at the Beaumont Hotel in London, recognized in the “Best in Tech” category by The Brit List Awards
• Signature solutions for landmark homes, office towers, and public institutions

As early adopters of dielectric barrier discharge (DBD) technology and bipolar ionization, we’ve set new standards for hygiene, sustainability, and indoor climate control in centralized HVAC systems.

Whether you need home ventilation, waste air treatment, or solutions for the most demanding air quality challenges, we're here to help you breathe better.

👉 Follow us and discover how clean air transforms not just buildings - but lives.

Marquis Intelligence

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