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Energy Loads and Your Bottom Line
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Why Energy Loads Matter
Utility costs = controllable expenses Optimizing for energy efficiency can improve: Productivity Absenteeism Presenteeism
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The 3 / 30 / 300 Model Jones Lang LaSalle (JLL) determined organizations generally spend per square foot annually: $3 on utility costs $30 on rent $300 on human capital costs HVAC and lighting impact is over 50% of utility costs
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The 2 / 20 / 200 Model Combined costs smart HVAC and lighting can impact Building intelligence upgrades improve all three measures: Energy costs reduced Real estate lease ability improved (reduced CAM) Human capital costs reduced by improved employee comfort, productivity, health and retention
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Peak Demand Savings Identify heavy energy loads at circuit level with energy meters and submeters. Collect energy load data on each piece of equipment in your building with software-based smart meters. Take opportunities to shift energy use to partial- and off-peak hours under time-of-use rate utility schemes. Take advantage of demand-response discount opportunities from your utility company.
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Act, Monitor, Measure Utilize software-based monitoring, measurement and control Real-time, wireless monitoring of energy loads via Internet Scheduling and some operational control remotely Alerts when energy use exceeds predetermined levels Optimize energy-intensive equipment
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Meet Tenant Demands Energy Efficiency + Green Building = Productivity Gains Recent Harvard, Syracuse & SUNY universities’ studies find correlations between green building factors and productivity gains. Study of 109 participants in 10 high-performing buildings in five cities found green-certified buildings enabled: 26.4% higher cognitive test scores 30% fewer “sick-building syndrome” symptoms
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Meet Tenant Demands (continued)
Same Harvard, Syracuse & SUNY universities’ researchers paired previous cognitive research with labor stats to estimate economic benefits. Study of office buildings in seven cities in different climate zones found: Doubling ventilation rate from ASHRAE minimum with energy-efficient ventilation costs $1 to $10/person/year Productivity gain: 8% ≈ $6,500/person/year, not accounting for other health benefits
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