IIT Research Study
Enabling Smarter Buildings
IIT Research Validates Energy Savings & Indoor Air Quality Advantages of NES Ventilation Control System
As published in Building Simulation, An International Journal, a comprehensive, peer-reviewed study by the Department of Civil, Architectural and Environmental Engineering at the Illinois Institute of Technology (IIT) features Nagle Energy Solutions’ demand-control ventilation application as a model for optimizing building construction methods and practices.
IIT engineers determined the NES ventilation control strategy – which makes use of variable fan-motor speed responses to measured gas concentrations – considerably outperforms the other control strategies in minimizing annual energy consumption while ensuring healthy indoor air quality is continuously maintained.
The NES control strategy captures:
- 84% more energy savings than the predominant garage ventilation control strategies currently employed worldwide;
- 73% more energy savings than older “on/off” garage ventilation strategies still deployed in many properties; and
- 98% more energy savings than garage ventilation strategies with no means of control in place, i.e., powered continuously (24/7).
The NES patented ventilation control sequencing for enclosed, commercial garages routinely achieves a 95% decrease in kilowatt-hour (kWh) consumption and peak kilowatt (kW) demand, with quantifiable – and recurring – energy savings higher than 97%, all while the garage fans run continuously.
IIT engineers note the study provides the framework for modeling energy and indoor air quality impacts on parking garages under various control scenarios.