[Equest-users] eQuest 3.64 - EIR Calculations

[Mike Schaefer]

I found a formula for EIR calculations from the eQuest-users Archive "Wizard DX EER Correction" with the following formulas:
EIR =  (1/EER-0.012167)/((1/3.413)+ 0.012167)
EIR =  (1/SEER*0.778+1.4)-0.012167)/((1/3.413)+ 0.012167)

However, the same archive shows that the EIR = (Compressor Input + Condenser Input)/ (Cooling Output)   ... at ARI conditions.
 
What is the correct method of calculating EIR?... and if the correct method is the formulas above can someone explain the calculation coefficients? I would expect, if I know the unit informaiton, that I'd take the unit input power and net capacity output for my EIR calcs.

Michael Schaefer - P.E., LEED® AP


 		 	   		  
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