Carrefour is a leading international retail chain with an extensive network of stores around the world. It is committed to improving its customers' experience and ensuring a healthy and comfortable environment in its stores. To achieve these goals, Carrefour sought innovative solutions to accurately count footfall and monitor air quality across its extensive store portfolio.
Carrefour x Technis – Indoor Environmental Quality at the Heart of the Customer Experience
In a context where health, comfort, and sustainability have become central priorities, Carrefour has chosen to place environmental data at the core of its operational strategy.
With Technis, the retailer measures and analyzes indoor environmental quality in real time across more than 150 stores, ensuring a healthy and pleasant environment for both customers and employees.
The Challenges of Indoor Environmental Quality in Retail
Temperature, humidity, CO₂ levels, volatile organic compounds (VOCs)… These parameters directly influence well-being, sanitary safety, and energy performance in commercial spaces.
For retailers, mastering these indicators has become an essential lever to:
- Improve comfort and health for customers and staff.
- Optimize energy performance across their facilities.
- Ensure regulatory compliance with new environmental standards.
- Strengthen brand image through well-being and sustainability.
The Carrefour Project: A Model of Environmental Monitoring
Across more than 150 stores, Carrefour has deployed Technis sensors capable of continuously tracking key indoor air quality indicators.
The collected data is centralized on an analytics platform, enabling:
- Real-time visualization of ambient conditions.
- Automatic alerts when thresholds are exceeded.
- Regular reports for facility managers.
🔍 Technology deployed:
- Multi-parameter sensors (CO₂, temperature, humidity, VOCs)
- Secure IoT data transmission
- Centralized supervision and alert interface
“Environmental data has become a true operational management tool.
It helps us anticipate issues, improve in-store comfort, and reduce our energy footprint.”
— Maintenance and Operations Manager, Carrefour
Tangible and Lasting Benefits
- Enhanced well-being: stable, comfortable conditions for customers and employees.
- Reduced energy consumption: HVAC systems adjusted to real needs.
- Smarter decision-making: proactive management of maintenance and air quality.
- Simplified compliance: automated monitoring of indoor air quality thresholds.
A Strategic Tool for Sustainable Performance
Beyond immediate comfort, environmental data has become a driver of overall performance.
It enables Carrefour to align regulatory requirements, sustainability goals, and premium customer experience, while achieving a measurable reduction in the energy footprint of its store network.
The Carrefour case perfectly illustrates the strategic impact of an environmental data-driven approach. For retail chains, it represents a concrete opportunity to control air quality, reduce energy costs, and deliver a healthier, more enjoyable customer experience — while aligning operations with sustainability and compliance objectives
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