Table 6: Summary of ECM Evaluations Table 6 summarizes every ECM evaluated by the design team for this particular project, along with various ECM financial metrics. For a detailed description and analysis of individual ECMs, please see the Appendices. Table 6: Summary of ECM Evaluated Annual ECM First Cost Costs Simple Persistence Accepted No. Description Estimate Savings Payback ROI H/M/L Yes/No Comments SD design/estimate included insulation 1a Additional 0.75" Wall Insulation $180,000 $14,000 12.9 7.8% H N 1" thicker than required by code. 1b Additional 1" Wall Insulation $300,000 $16,500 18.2 5.5% H N 1c Additional 1.5" Wall Insulation $350,000 $18,400 19.0 5.3% H Y 2a Glass SHGC =0.38 $186,000 $7,500 24.8 4.0% M N 2b Glass SHGC =0.33 $190,000 $8,000 23.8 4.2% M Y Argon Filled Triple Glazed Glass Seal life guaranteed only 10 years. Slight 2c SHGC = 0.26 $265,000 $13,400 19.8 5.1% L N gray tint. Day Lighting Sensors, Atrium 3 $42,000 $12,000 3.5 28.6% M Y Desiccant Wheel 4 $200,000 $40,000 5.0 20.0% M Y Exterior Shades, South Facade 5 $78,000 $15,000 5.2 19.2% H Y 6 Increase Thermostat Deadband $0 $7,000 N/A N/A L Y 7 Free Cooling Process Load $350,000 $55,000 6.4 15.7% H Y 8 Shower Heat Recovery Device $24,000 $3,000 8.0 12.5% L N Maintenance issues Note 1: represents an opinion of the probability that the estimated energy savings will be fully realized.
Table 6: Summary of ECM Evaluations Table 6 summarizes every ECM evaluated by the design team for this particular project, along with various ECM financial metrics. For a detailed description and analysis of individual ECMs, please see the Appendices. Table 6: Summary of ECM Evaluated ECM No. Description First Cost Estimate Annual Costs Savings Simple Payback ROI H/M/L Comments 1a Additional 0.75" Wall Insulation $180,000 $14,000 12.9 7.8% H N SD design/estimate included insulation 1" thicker than required by code. 1b Additional 1" Wall Insulation $300,000 $16,500 18.2 5.5% H N 1c Additional 1.5" Wall Insulation $350,000 $18,400 19.0 5.3% H Y 2a Glass SHGC =0.38 $186,000 $7,500 24.8 4.0% M N 2b Glass SHGC =0.33 $190,000 $8,000 23.8 4.2% M Y 2c Argon Filled Triple Glazed Glass SHGC = 0.26 $265,000 $13,400 19.8 5.1% L N Seal life guaranteed only 10 years. Slight gray tint. 3 Day Lighting Sensors, Atrium $42,000 $12,000 3.5 28.6% M Y 4 Desiccant Wheel $200,000 $40,000 5.0 20.0% M Y 5 Exterior Shades, South Facade $78,000 $15,000 5.2 19.2% H Y 6 Increase Thermostat Deadband $0 $7,000 N/A N/A L Y 7 Free Cooling Process Load $350,000 $55,000 6.4 15.7% H Y 8 Shower Heat Recovery Device $24,000 $3,000 8.0 12.5% L N Maintenance issues Note 1: Persistence represents an opinion of the probability that the estimated energy savings will be fully realized. Accepted Yes/No
3.2.2-Energy-Report-Format-Projects-Over-10M_.docx