Warranties are a commercial consideration. IEEE has nothing to do with commercial issues. It does require things that end up implying longer expected service life, i.e. chemical resistant coatings, high temperature insulation, the bearings must be regreasable, the nameplates and condensate drains must be stainless steel etc. etc.
"If I had eight hours to chop down a tree, I'd spend six sharpening my axe." -- Abraham Lincoln
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