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GACS checklist (commercial)

Answer the items per section. You will get a score, verdict and concrete recommendations. The options follow the official Dutch “Checklist technische eisen GACS”.

Note: below 290 kW some requirements may differ.

1) Heating system (1.1–1.10)
1.1 Heat emission
1.2 TABS (thermally activated building structure)
1.3 Distribution water temperature
1.4 Distribution pumps
1.5 Heating on/off scheduling
1.6 Generator control (combustion/supply)
1.7 Heat pump control (indoor)
1.8 Heat pump outdoor unit
1.9 Generator sequencing
1.10 Thermal storage
2) Domestic hot water (2.1–2.4)
2.1 Boiler (electric/heat pump)
2.2 Storage with external generation
2.3 Solar DHW with backup
2.4 DHW circulation pump
3) Air-conditioning (3.1–3.9)
3.1 Terminal unit (FCU/indoor)
3.2 TABS (cooling)
3.3 Distribution water temperature
3.4 Distribution pumps
3.5 Cooling on/off scheduling
3.6 Heating/Cooling interlock
3.7 Chillers / cold generators
3.8 Chiller sequencing
3.9 Thermal storage (cool/heat)
4) Ventilation (4.1–4.10)
4.1 Room airflow control
4.2 Room air temperature control
4.3 Air-water systems coordination
4.4 Outdoor air fraction control
4.5 AHU airflow/pressure control
4.6 HRS frost protection
4.7 HRS overheating protection
4.8 Free cooling
4.9 Supply air temperature control
4.10 Humidity control
5) Lighting (5.1–5.2)
5.1 Occupancy control
5.2 Daylight control
6) Shading (6.1)
6.1 Shading control
7) Technical building management (7.1–7.7)
7.1 Setpoint control
7.2 Runtime scheduling
7.3 Fault detection & diagnostics
7.4 Energy & indoor climate reporting
7.5 Local energy generation
7.6 Waste heat reuse / load shifting
7.7 Smart grid integration

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You’ll receive a summary with recommendations.