Nom 020 ener 2011 pdf

Mexican official standard nom015 ener 2012, energy efficiency for household refrigerators and freezers. It also establishes the test methods which must be used to determine the energy. Analysis of the methodologic assumptions of the nom020ener2011 mexican residential building standard. Analysis of the methodologic assumptions of the nom020. Norma oficial mexicana nom 020 ener 2011, eficiencia energetica en edificaciones. Nom 020 ener 2011, however, divides the country into just four climatic zones and only considers the energy use of cooling systems, disregarding heating costs. For this reason, in 2011 a mexican official standard, nom 020 ener 2011 was published. This study discusses the assumptions and calculations that underlie. Normas oficiales mexicanas en eficiencia energetica. Norma oficial mexicana nom020ener2011, eficiencia energetica en edificaciones. Pdf analysis of the methodologic assumptions of the nom020. Nom008 sets values for fenestration areas, heat gain coefficient and shading coefficient for opaque and transparent elements of walls and roofs of the reference building. Nom 020 ener 2011, however, divides the country into just four climatic zones and only considers the energy use of cooling systems, disregarding heating. The recommendations of this policy are thus inadequate for the many regions in mexico that have mild to moderate winters.