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Investor Presentaiton

110% 100% 90% Regulated Buidling Energy Use vs ASHRAE 90.1-2004 Commercial HVAC Efficiency Requirements ASHRAE 90.1 (2007 & 2010) Building Target MaxTech Limit Full Load Efficiency 20% 10% 0% 80% 70% 60% MaxTech Part Load Efficiency 50% 40% 30% Average ASHRAE 90.1 2013 Requirements Equipment Level Limit ד-- Possible Path to nearly Net Zero Buildings Systems Approach & Renewable Energy -7--7 2004 2007 2010 2013 2016 2019 2022 2025 2028 2031 2034 2037 Year

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