OptoSense Calculator - Energy saved with Demand Controlled Ventilation

KEY DATA FOR ZONE
Size of zone: m2 t ventilation Occupancy: > 90 % 90 - 50 % 50 - 10 % < 10 % Tot.Occupied
Max occupancy: people hours min Hours/day
Airvolume: m3/t day m3/t night People Average
Airvolume: m3/day m3/year People, weigthed
KEY HVAC PARAMETERS Demand based on: Presence Regular CO2 OptoSense or similar Timer only
Vent. Heating m3/t day
Vent. Cooling m3/t night
Heat/Cool Recovery m3/hours day
m3/year m2
+Ventilation heating W kWh Airvolume VAV/CAV %
+Ventilation cooling W kWh Fan kWh/year/m2
-Heat/Cool recovery W kWh Heat/Cool kWh/year/m2
= Net(/m3 air) (/m2) W kWh Ventilation kWh/year/m2
ENERGY SAVED BY: Presence Regular CO2 OptoSense or similar
Redused airvolume/day            
Redused airvolume/year/m2            
Reduction in kWh/year/m2            
Reduction in kWh/year            
Reduction in €/year            

Note: The calculator uses a simplified model based on airvolumes, occupancy and different sensors used for DCV. The model is based on North European climate (Oslo) and normalized towards a series of simulations with different parameters in the advanced SIMIEN energy modelling tool.