Quick wins
1. Lower heating setpoints by 1 to 2 degrees in winter and raise cooling setpoints by 1 to 2 degrees in summer.
2. Enable night setback and weekend schedules.
3. Replace fixed-speed pumps with variable-speed drives.
4. Clean coils and replace filters on schedule.
5. Use occupancy sensors to stop conditioning empty rooms.
Bigger levers
6. Commission the control sequence so equipment does not fight itself.
7. Add a BMS gateway to centralize alarms and trends.
8. Recover energy with heat-recovery VRF or heat wheels.
9. Right-size equipment instead of oversizing “just in case”.
10. Monitor kWh per square meter and set annual targets.
Taken together, these measures typically cut HVAC energy by 20 to 40 percent. DNARENS controllers make scheduling, setback, and trend monitoring straightforward to deploy.
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