NOM guides
How to read and apply the energy efficiency standards for refrigerators and mini-splits, with worked examples.
NOM-015-ENER-2018
How to calculate a refrigerator's Emax
Find your class in Table 2, calculate the adjusted volume and apply Emax = a·AV + b, with a worked 300 L example.
Read guide · 6 min → NOM-023-ENER-2018NOM-023 test tolerances: how much margin you really have
How much difference the standard accepts between the declared and the measured EER, and why the 5 % tolerance does not always fully apply.
Read guide · 5 min →