Learn what the new regulations mean, how to comply, and which steps you can take now without unnecessary investments.
We help you make your real estate portfolio BACS-compliant.
01
BACS stands for Building Automation and Control Systems. From January 1, 2026, large buildings must continuously monitor and optimize their installations.
Why? Many buildings currently waste 25-30%of energy through poorly configured systems. BACS ensures you see what's happening in real-time and automatically adjust where needed.
02
BACS is mandatory for all non-residential buildings with large HVAC systems. Think offices, schools, warehouses, hospitals, hotels, and sports facilities.
Maarten Briët Co-Head Netherlands, Schroders
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Want to be sure you’re BACS compliant? We can help with a comprehensive BACS-audit.
More info03
BACS works with four classes that indicate how intelligently your building is controlled. From class D (everything manual, no monitoring) to class A (fully automatic, real-time optimization).
Want to know which class your building currently has and what's needed? Read our onepager for more information.
04
From January 2026, buildings must meet specific technical requirements. Here's what that means in practice:
05
Starting June 1, 2026, GACS will take a step further. Not only will installations be monitored, but the indoor climate must also be demonstrably monitored.
Jonatan Roose, Founder Healthy Workers
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Healthy Workers is co-funded by the European Union (ERDF). The JTF-project contributes to more sustainable and better-performing real estate.
