Central air compressor fan reflects sunlight into house. What can I do about it?
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Another idea which may be applicable , and avoid performing a paint , is using a piece of 3M membrane like this 

http://solutions.3m.com/wps/portal/3M/en_EU/3MGraphics/GraphicSolutions/Products/Catalogue/?N=5799&amp;rt=c3



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I think that it is not appropriate to paint a brand new piece of equipment , painted with electrostatic paint and perfectly finished, for both the aesthetic part and for potential warranty issues.
If I had this problem I would order from a blacksmith a small shelter skeleton and I would put a polycarbonate sheet as a roof (this can be done by a carpenter as well without the need a the polycarbonate sheet).
To get a better idea here is a picture of the concept :


You will of course use  a much smaller size to cover only the unit.