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FEMP Guidelines: Boiler Selection Criteria • FEMP = Energy Star for larger energy-using equipment • Minimum boiler efficiency guidelines • Boiler system selection & sizing guidelines “If building loads are highly variable, as is common in commercial buildings, designers should consider installing multiple small (modular) boilers.” “Modular systems are more efficient because they allow each boiler to operate at or close to full rated load most of the time, with reduced standby losses.”

U.S. GHG Emissions: • U.S. CO2 Emissions (Gigatons CO 2 e) – 1990 - 2030: • 29% of GHG’s Traced to Site Emissions in the Commercial / Industrial Sectors

U.S. GHG Emissions:<br />

• U.S. CO2 Emissions (Gigatons CO 2 e) – 1990 - 2030:<br />

• 29% of GHG’s Traced to Site Emissions in the<br />

Commercial / Industrial Sectors

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