User Manual

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4.2. BAC efficiency classes
EN 15232 defines four different
BAC efficiency classes (A, B, C, D)
For building automation and control
systems:
Class Energy efficiency
A
Corresponds to high energy performance BACS and TBM
· Networked room automation with automatic demand control
· Scheduled maintenance
· Energy monitoring
· Sustainable energy optimization
B
Corresponds to advanced BACS and some specific TBM functions
· Networked room automation without automatic demand control
· Energy monitoring
C
Corresponds to standard BACS
· Networked building automation of primary plants
· No electronic room automation,
thermostatic valves for radiators
· No energy monitoring
D
Corresponds to non-energy efficient BACS. Buildings with such systems shall be
retrofitted. New buildings shall not be equipped with such systems
· Without networked building automation functions
· No electronic room automation
· No energy monitoring
All processing functions in EN 15232 are assigned to one of the four classes for residential and
non-residential buildings.
A
B
C
D