G/TBT/N/MEX/387  
4 January 2018  
(18-0021) 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):   
2. Agency responsible : Secretaría de Energía  (Ministry of Energy)  
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:  
Comments may be submitted to the President of the National Advisory Committee on 
Standardization for the Conservation and Rational Use of Energy Resources (CCNNPURRE), 
Mr Odón Demófilo de Buen Rodríguez, at : 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  
3. Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading . ICS numbers may be provided in addition, where applicable) : The notified 
text applies to sp lit-type, free -flow, ductless air conditioners (known as mini -split and 
multi-split air conditioners), whether simple cycle (only cold) or reverse cycle (heat pump), 
with air -cooled condensers, powered by electricity, with nominal cooling capacities of 1W 
to 19,050W, which operate by mechanical compression.  
5. Title, number of pages and language(s) of the notified document : Proyecto de 
Norma Oficial Mexicana PROY -NOM-023-ENER -2017, Eficiencia energética en 
acondicionadores de aire tipo dividido, descarga libre y sin conductos . Límites, método de 
prueba y etiquetado  (Draft Mexican Official Standard PROY -NOM-023-ENER -2017: Energy 
efficiency in split -type, free -flow, ductless air conditioners . Limits, test methods and 
labelling) (37 pages, in Spanish)  
6. Description of content : The notified draft Standard applies to split -type, free -flow, 
ductless air conditioners (known as mini -split and multi -split air conditioners), whether 
simple cycle (only cold) or reverse cycle (heat pump), with air -cooled condensers,  powered 
by electricity, with nominal cooling capacities of 1W to 19,050W, which operate by 
mechanical compression.  
It applies only to systems marketed in the United Mexican States that use one or more 
simple refrigeration circuits and that have an evapora tor and a condenser.  
The following devices are excluded from the scope of this draft Standard:  
(a) Water -source heat pumps  
(b) Units designed for use with additional ducting  
(c) Mobile units (not window -type) with a condenser exhaust duct  
(d) Units with a frequency compressor and/or variable coolant flow, known as inverters  
(e) Air conditioners with two -speed compressors  G/TBT/N/MEX/387  
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  7. Objective and rationale, including the nature of urgent problems where 
applicable : Consumer information ; labelling ; environmental protection . The notified draft 
Standard establishes the minimum seasonal energy efficiency ratio (SEER) for split -type, 
free-flow, ductless air conditioners . It also specifies the test methods that must be used to 
verify compliance, and defines the relevan t public information labelling requirements.  
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), published in the Official 
Journal on 2 7 November 2 002. 
NOM-024-SCFI-2013, Información comercial para empaques, instructivos y garantías de 
los productos electrónicos, eléctricos y electrodomésticos  (Mexican Official Standard NOM -
024-SCFI-2013: Commercial information to be displayed on the packag ing of and included 
in the instructions and guarantees for electronic, electrical and home electrical appliances)  
9. Proposed date of adoption : 180 calendar days after its publication in the Official Journal 
as a final standard.  
Proposed date of entry into force : 180 calendar days after its publication in the Official 
Journal as a final standard.  
10. Final date for comments : 60 calendar days after publication in the Official Journal.  
11. Texts available from : National enquiry point [ ] or address, tel ephone and fax 
numbers and email and website addresses, if available, of other body:  
Secretaría de Economía  (Ministry of the Economy)  
Subsecretaría de Competitividad y Normatividad (Under -Secretariat of Competitiveness 
and Standardization)  
Dirección  General de Normas  (General Directorate of Standards)  
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  
jose.ramosr@economia.gob.mx  
Text available online at:  
http://www.dof.gob.mx/nota_detalle.php?codigo=5508579&fecha=21/12/2017  
https://members.wto.org/crnattachments/2018/TBT/MEX/18_0024_00_s.pdf