G/TBT/N/MEX/344  
17 January 2017  
(17-0315) Page:  1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6.  
 
1. Notifying Member : MEXICO  
If applicable, name of local government involved (Articles 3.2 and 7.2):  
º Agency responsible : Secretaría de Energía  (Ministry of Ene rgy) 
Name and address (including telephone and fax numbers, email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:  
Comité Consultivo Nacional de  Normalización para la Preservación y Uso Racional de los 
Recursos Energéticos , CCNNPURRE (National Advisory Committee on Standardization for 
the Conservation and Rational Use of Energy Resources)  
Av. Revolución Núm. 1877 
Colonia Loreto, Delegación Álvaro Obregón  
Ciudad de México, C.P. 01090  
Email: ybo.pulido@conuee.gob.mx  and norma.morales@conuee.gob.mx  
or:  
Comité Consultivo Nacional de Normalización de la Se cretaría de Economía , CCONNSE 
(National Advisory Committee on Standardization of the Ministry of the Economy)  
Av. Puente de Tecamachalco Núm. 6, Col . Lomas de Tecamachalco  
Sección Fuentes  
Naucalpan de Juarez  
CP. 53950, Estado de México  
Email: claudia.sama@economia.gob.mx  and mariana.hernandez@economia.gob.mx   
3. Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:  
4. Products co vered (HS or CCCN where applicable, otherwise national tariff 
heading . ICS numbers may be provided in addition, where applicable) : Room air -
conditioners (tariff heading 8415)  
5. Title, number of pages and language(s) of the notified document : PROY-NOM-021-
ENER/SCFI -2016, Eficiencia energética y requisitos de seguridad al usuario en 
acondicionadores de aire tipo cuarto . Límites, métodos de prueba y etiquetado  (Draft 
Mexican Official Standard PROY -NOM-021-ENER/SCFI -2016: Energy efficiency of and user 
safety requirements for room air-conditioners  - Limits, test methods and labelling) 
(32 pages, in Spanish)  
6. Description of content : In accordance with Article 45 of the Federal Law on Metrology 
and Standardization, the regulatory impact assessment concerning draft Mexican Official 
Standard PROY -NOM-021-ENER/SCFI -2016 "Energy efficiency of and user safety 
requirements for room air-conditioners  - Limits, test methods and labelling" will be made 
available for consultation by the public on the premises of the abov e-mentioned 
committees.  
By virtue of the foregoing, the following has been dispatched for public consultation:  
Proyecto de Norma Oficial Mexicana PROY -NOM-021-ENER/SCFI -2016,  Eficiencia 
energética y requisitos de seguridad al usuario en acondicionadores de  aire tipo cuarto . 
Límites, métodos de prueba y etiquetado  (Draft Mexican Official Standard PROY -NOM-021-
ENER/SCFI -2016: Energy efficiency of and user safety requirements for room air-
conditioners  - Limits, test methods and labelling).  G/TBT/N/MEX/344  
- 2 - 
  7. Objective and ra tionale, including the nature of urgent problems where 
applicable : The notified  draft Mexican Official Standard sets out the combined energy 
efficiency ratio (CEER)  specifications and test methods , as well as the user safety 
specifications and test methods  for verifying compliance therewith . It also establishes the 
information that must be included on the energy efficiency label, which must appear  on all 
appliances covered by this draft Standard  in addition to the other required marking . It 
applies to new d omestic and foreign -made room air-conditioners  that are marketed in the 
United Mexican States, with an air -cooled condenser and a cooling capacity of up to 10,600 
watts and with or without a heating system . It does not apply to split -type room air-
conditio ners. 
8. Relevant documents:  
 NOM-008-SCFI-2002, Sistema General de Unidades de Medida (Mexican Official 
Standard NOM -008-SCFI-2002: General system of units of measurement ). 
 NMX-J-521/1 -ANCE -2012, Aparatos electrodomésticos y similares - Seguridad - 
Parte 1: Requisitos generales  (Mexican Standard NMX -J-521/1 -ANCE -2012: 
Household and similar electrical appliances - Safety – Part 1: General requirements), 
published in the Official Journal on 2 2 April 2 013. 
 NMX-J-521/2 -40-ANCE -2014, Seguridad en aparatos elect rodomésticos y similares - 
Parte 2 -40: Requisitos particulares para bombas de calor, acondicionadores de aire y 
deshumidificadores  (Mexican Standard NMX -J-521/2 -40-ANCE -2014: Household and 
similar electrical appliances - Safety - Part 2 -40: Particular  requirements for heat 
pumps, air-conditioners  and dehumidifiers), published in the Official Journal on 
12 December 2 014. 
9. Proposed date of adoption : The notified draft Mexican Of ficial Standard will be adopted 
upon its publication in the Official Journal as  a final Mexican Official Standard.  
Proposed date of entry into force : Once it has been published in the Official Journal and 
entered into force, this draft Mexican Official Standard will cancel and replace Mexican 
Official Standard NOM -021-ENER/SCFI -2008,  Eficiencia energética, requisitos de seguridad 
al usuario en acondicionadores de aire tipo cuarto . Límites, métodos de prueba y 
etiquetado  (Energy efficiency of and user safety requirements for room air-conditioners  - 
Limits, test methods and labelling), published in the Official Journal on 4 August 2 008. 
10. Final date for comments : 60 calendar days after publication in the Official Journal 
(26 December 2016).  
11. Texts available from : National enquiry point [X] or address, telephone and fax 
numbers and  email and website addresses, if available, of other body:  
Secretaría de Economía  
Subsecretaría de Competitividad y Normatividad  
Dirección General de Normas  
Tel.: (+52) 55 5729 9100, Ext. 43244  
Fax: (+52) 55 5520 9715  
Website: http://www.economia -noms.gob.mx/?P=144  
Email: normasomc@economia.gob.mx  and/or sofia.pacheco@economia.gob.mx  
Text available online at: 
http://www.dof.gob.mx/nota_detalle.php?codigo=5467144&fecha=26/12/2016  
https://memb ers.wto.org/crnattachments/2017/TBT/MEX/17_0161_00_s.pdf