energy conservation standards for commercial unitary air conditioners and heat pumps anopr public meeting engineering analysis building technologies program office of efficiency renewable us department september 30 2004 2 analyses flow diagram screening use & end load characterization shipments national impact markups equipment price determination life cycle cost payback period market technology assessment 3 to characterize the ac hp determine available efficiencies by product class identify design options that increase apply criteria established doe which evaluate screen out manufacturer relationships higher improve relative baseline units purpose 4 approaches split systems niche issue 1 alternative refrigerant option maximum levels affect full or part performance 18 issues comment 5 classes cooled
