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Packaged RTU Efficiency Screening Tool

Other values required by this calculation tool should be available from utility bills and manufacturers' equipment data.

Case description  
Baseline unit:  versus High-efficiency unit: 
Cooling load (tons at full load)
Equivalent months of full cooling demand (EMFCD)
months
Equivalent full load hours/year
hours/year
Utilities sales tax
%
Summer peak electric demand price
$/kW
Summer peak electric energy price
$/kWh
Base-case electric cooling efficiency (EER)
at full load
High-efficiency electric cooling efficiency (EER)
at full load
Installed cost premium for
high-efficiency system
$/ton

 

Demand reduction
kW
Energy savings
$/yr
Demand savings
$/yr
Total savings
$/yr
High-efficiency system net cost premium
$
Simple payback
years

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