1 REGULATION ON ENERGY LABELLING AND MINIMUM 
ENERGY PERFORMANCE REQUIREMENTS  
FOR AIR -CONDITIONERS  
2 Contents 
1. SCOPE AND OBJECTIVE  ................................................................................................................... 3
2. NORMATIVE  REFERENCES  ............................................................................................................. 4
3. TERMS AND DEFINITIONS  ............................................................................................................... 4
4. REGISTRATION REQUIREMENTS  ................................................................................................... 5
5. MEPS  ..................................................................................................................................................... 7
6. Controlling cooling temperatures  ......................................................... Error! Bookmark not defined.
7. NAME PLATE AND INSTRUCTION SHEET OR MANUAL  .......................................................... 8
8. ENERGY RATING  CLASSIFICATION  .............................................................................................. 9
9. ENERGY LABELLING  REQUIREMENTS  ........................................................................................ 9
3 REGULATION ON ENERGY LABELLING AND MINIMUM 
ENERGY PERFORMANCE REQUIREMENTS  
FOR AIR -CONDITIONERS  
1. SCOPE AND OBJECTIVE
1.1 Scope  
This regulation specifies the Minimum Energy Performance Standard (MEPS) 
and the energy labelling requirements for air conditioning units and heat pumps used in residential, commercial and industrial sectors with nominal capacities less than or equal to 65,000 Btu/h. 
The following types of air conditioning or heat pumps units are included within the scope of this regulation: 
1. Single- package units of window  type
2. Single split-system non- ducted units using air-cooled condensers
3. Single split-system ducted units using air- cooled  condensers
4. Units using electric resistance heaters
The following units are excluded from the scope of this regulation: 
1. Evaporative coolers
2. Mobile (windowless) and portable units with exhaust air duct
3. Individual assemblies not constituting a complete refrigeration systemsuch as condensing units for separate use 
4. Air conditioners that are not intended for human comfort
5. 100% solar energy powered air conditioning systems
1.2 Obje ctive  
The objective of this regulation is to: 
a) Provide detailed information on the performance and energy labelingrequirements which an air -conditioning appliance has to meet in order to 
carry a valid energy efficiency label;  and 
b) Provide detailed information on the performance requirements which anair-conditioning appliance has to meet in order to meet minimum energy 
performance standard  requirements.  
4 2. NORMATIVE  REFERENCES
Updated editions of the following normative references are applied (Including 
any changes on these normative references).  
2.1 GSO ISO 5151 “Non-ducted air conditioners and heat Pumps -Testing and rating for Performance”.  
2.2 GSO ISO 13253 “Ducted air-conditioners and air- to-air heat Pumps - Testing 
and rating for Performance”.  
3. TERMS AND DEFINITIONS
For the purposes of this regulation, the terms and definitions given in references mentioned in sub- clauses 2.1 and 2.2 and those below are 
considered. 
3.1 Ducted air conditioners  
An air conditioner model configuration where the indoor side is situated remote  
to the space to be conditioned. The conditioned air is supplied or extracted via 
a duct. 
3.2 Non-ducted air  conditioner  
An air conditioner model configuration where the indoor side is situated partly 
or wholly within the space to be conditioned. The conditioned air is supplied and extracted directly to and from the conditioned space. 
3.3 Rated  capacity  
The nominal rated capac ity claimed by the manufacturer of an air conditioner 
model determined as follows, as applicable: 
(a) Rated total cooling capacity as claimed by the manufacturer fortemperature condition T1 and T3. (Units: Btu/h). 
(b) Rated heating capacity as claimed by the manufacturer for indicatedheating capacity test conditions specified in the normative references in clause (2). (Units: W ). 
The rated capacity appears on the energy label as ‘Capacity Output’  (heating 
and/or cooling as applicable. (Units: Btu/h). 
5   
3.4 Rated  power  
Effective power input of the air conditioner model as claimed by the 
manufacturer during the determination of rated cooling capacity and rated 
heating capacity, as applicable. (Units: W or kW.)  
 
3.5 Split  system  
An air conditioner with separate indoor and outdoor components that are 
connected with refrigerant piping. The indoor unit usually lies within the conditioned space and may be installed or portable/mobile. 
 
3.6 Star rating  
The num ber of stars displayed on the energy label. Available stars are between 
a minimum of one and a maximum of six. It is considered as an indication of 
the claimed energy efficiency of a model at rated conditions. A higher star rating indicates a higher energy efficiency. It is derived from the measured 
EER . 
 
3.7 Estimated annual energy  consumption  
Estimated annual energy consumption at rated power will be kWh consumed in 
2700 hours at full load. 
3.8 Energy Efficiency Ratio EER  
Ratio of the cooling capacity to the cooling power input value (Unit: 
(Btu/h)/W).  
 
 
3.9 Coefficient of Performance C OP 
Ratio of the heating capacity to the power input value (Unit: W/W). 
   
4. REGISTRATION REQUIREMENTS  
 
4.1 Registration is mandatory for all imported and locally manufactured products. 
The information about registration requirement for energy labelling and MEPS is available at EER platform.  
 
 
  
6  4.2 To register products for energy labeling and MEPS, a test report f rom an 
accredited laboratory in accordance with recent edition of GSO ISO 5151 or 
GSO ISO 13253, as applicable, shall be uploaded to the EER platform for each model.  
 
4.3 Data required for registration is provided in appendix A. 
 
  
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4.4 Energy Label Validity (Check Testing)  
The energy label shall be accepted as valid when a single sample of an 
appliance or unit model, test ed for an initial screening test, meets the following 
criteria for cooling and heating, as applicable:  
a) Tested effective power  input .................................. ≤1.05 x rated power. 
b) Tested cooling and heating  capacity  ....................... ≤ 0.95 x rated capacity.  
c) Tested EER  ................................................................... ≤0.95 x rated EER.  
d) Tested COP  .................................................................. ≤ 0.95 x rated COP.  
e) Tested  voltage ..................... 230 volt single phase or 400 volt three phase.  
f) Tested  frequency  .............................................................................. 50 Hz. 
g) Testing conditions (T1)      (Refer to the standards mentioned in clause2).  
h) Testing conditions (T3)      (Refer to the standards mentioned in clause2).  
 
 
5. MEPS  
The minimum energy performance standard MEPS value for the air conditioner in the 
scope of this regulation shall be greater than or equal to the value of Energy Efficiency Ratio (EER), when calculating the cooling capacity at test conditions (T1) and test condition (T3) as follows: 
 
Air 
conditioner 
appliance type  EER Value (Btu/h)/W  
T1 T3 
Window type  
CC (≤24k) 9.8 7.0 
Window type  
24,000 < CC ≤ 65,000   9.0 6.2 
Split  type 
CC ≤ 65,000  11.8 8.3 
 
 
6.  Minimum temperature control setting  
The minimum possible setting for the cooling temperature for all units subject for 
certification shall not be less than 20 °C.
 
  
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7. NAME PLATE AND INSTRUCTION SHEET OR MANUAL  
The following information shall be marked on the name plate of the air - 
conditioner, in Arabic or English or both. The marking shall not be on a 
detachable part of the unit and shall be indelible, durable and easily legible. 
Any energy / performance related information that is attached or displayed on 
any part of the air -conditioner unit or packaging must be justified and free from 
misstatements and according to the normative reference standards mentioned in 
clause (2).  
7.1 The information on the name plate shall include at minimum, the  following: 
– Manufacturer’s name and/or  trademark.  
– Country of origin. 
– Manufacturer’s model or type reference and serial number of the unit. 
– Rated voltage or rated voltage range (Volts).  
– Rated frequency  (Hz).  
– Rated current in  Amperes.  
– Rated power input in watts or kilowatts.  
– Net total room cooling capacity in Btu/h. 
– Energy Efficiency Ratio (EER) in (Btu/h)/W . 
– Heating capacity in W (Applicable to heating units only). 
– Coefficient of Performance (COP) (Watt/Watt). (Applicable to heating units only). 
– Refrigerant used and mass of refrigerant charge in  kg. 
 
7.2 An instruction sheet or manual in both Arabic and English shall be delivered with each air -conditioner, including the following information: 
– The information specified in clause 7.1. 
– Dimensions of the unit and its method of mounting. 
– Minimum clearances between the various parts of the unit and the surrounding framework.  
– Instructions necessary for the correct operation of the unit and any special precautions to be observed to ensure its safe use and  maintenance.  
– Instruction for packing and unpacking the unit. 
– Weight of the unit. 
– Any other additional information. 
– Annual energy consumption as stated in clause 3.7.  
 
  
9   
 
8. ENERGY RATING  CLASSIFICATION  
8.1 The energy efficiency class rating is used for the energy label for products 
within the scope of this regulation. 
 
8.2 The energy eff iciency class is determined in accordance with the following 
table, where the EER (energy efficiency ratio) is determined in accordance with the test procedures of the harmonized standards referred to in clause 2 at condition T3.  
 
 
EER limits  
(Btu/h)/W at T3 Star Rating  
EER >  10 6 
10 > EER >  9.5 5 
    9.5 > EER >  9 4 
9 > EER > 8.5 3 
8.5 > EER >  7.5 2 
EER ≤ 7.5 1 
 
 
9. ENERGY LABELLING  REQUIREMENTS  
 
9.1 Information and Values Contained in the Energy  Labels  
The required fonts are “Simplified Arabic” for Arabic and “Times New 
Roman” for English as illustrated in Figures 1 and 2. The fields (a), (b), (c), (d) of Figure 1 shall comply with the following requi rements:  
 
(a) Field a This band shall terminate according to the appliance’s star rating 
for a rating of only full stars, bisecting the gap between the relevant star 
and the next higher on the scale.  
 
  
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(b) Field b The brand and model designation shall be inserted here. The 
wording should be complete and concise. They should have normal spacing of letter, line and word in the specified area. In the case of split 
systems, where the indoor and outdoor components have different model numbers, model numbers for both shall appear on the label.  
(c) Field c This band shall include the total rated cooling capacity (output 
capacity  in Btu/h and in ton, where CC ton = CC Btu/h/12000) 
and the annual energy consumption. 
 
(d) Field d This area shall contain the rated total heating capacity (if applicable), and the power input for heating. The Figures that apply to the particular appliance shall be of the font indicated and shall be centered in the area for  heating.  
(e) Field e This band shall include the tested value of energy efficiency 
ratio (EER) for the  appliance. 
 
Note: The cooling capacity and power input values shown on the energy label are based on the 
rated cooling capacity and the rated power, as declared by the manufacturer and shown in the 
nameplate for condition T3 for cooling capacity in accordance with the standards mentioned in clause 2. 
9.2 Sample Labels  
Examples of printed energy la bel for air -conditioning appliances are shown in 
Figures 1 and 2. 
9.3 Dimensions of Labels  
Figure 3 shows the dimensions of label. 
9.4 Placement of Energy  Labels  
The label shall be fixed or  attached as a tag on the most prominent part the of 
the product . For the split type Air Conditioners, the label shall be fixed or 
attached as a tag on both indoor and outdoor units. 
Additional label shall be attached to the exterior of the packaging. The label 
shall remain on the unit /package when the unit is removed from its packaging 
for display purposes. 
9.5 Material and Shape of Energy  Labels  
The label shall b e of durable cardboard, if it is to be attached as a tag, or be 
self-adhesive, and shall be cut to the outline shown in Figure 1. A trim or die 
cut margin of up to 5 mm around the label is acceptable. 
 
  
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FIGURE 1: Example of label - Heating & Cooling Unit 
 
  
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FIGURE 2: Details of Label – Cooling only 
 
  
   
   
 
  
 
FIGURE 3: Dimension  of label  
 
  
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APPENDIX A  
DATA REQUIRED FOR REGISTRATION OF  
AIR- CONDITIONERS FOR ENERGY LABELLING AND MEPS  
 
This Appendix sets out the required data for submitting an application for registration  online. 
Application for registration of an air- conditioner for energy efficiency.  
 
PART 1 APPLICANT INFORMATION  
□ Applicant Name  
□ Company Name  
□ Company Address. 
o P.O.Box  
o Post Code 
□ Contact Person: (Name and Address in Kingdom of Bahrain)  
o Job Title  
o Phone number 
o Fax  
o Electronic Mail  
□ Supplier or Vendor in Kingdom of Bahrain: 
o Supplier or Vendor Name 
o Contact Address (Mail Address, Phone, Fax, Electronic Mail) 
o License Number or Commercial Registration  (related to import and sale of goods in the 
Kingdom  
 
  
15  Part 2 DESCRIPTION OF THE APPLIANCE  
□ Model Name (if available)  
□ Model Number or Family Number 
□ Model Number  
o on indoor unit  
o on Outdoor Unit (split systems only) 
□ Other Model Numbers to be included under this registration 
□ Country of Manufacture 
□ Year in which model first available in Kingdom of Bahrain 
□ Model Number(s) to appear on the Energy Label 
□ Date of manufacture traceability (of package unit or indoor unit if split system)  
□ Is the date of manufacture permanently marked on the rating plate in a non- encrypted format?  
o If yes, provide an example of the date format. 
o If no, provide details on how to determine (from the serial number or other permanent 
mark ings for this model) 
□ 'Date of manufacture traceability (of outdoor unit if split system)  
□ Is the date of manufacture permanently marked on the rating plate in a non- encrypted format?  
o If yes, provide an example of the date format. 
o If no, provide details on how to be determined (from the serial number or other permanent markings for this model) 
□ Does this model or family replace or supplement another model or family with identical energy consumption and energy efficiency rating? 
o If yes, indicate relevant details  
 Model name 
 Model number  
 Registration number  
□ Information about the components used in the manufacturing 
There must be complementary documents for the materials used in the Manufacturing including drawings 
and figures and technical specifications and product model accreditation (if any) for each of the 
components mentioned here. 
 
1- Compressor 
□ Country of origin 
□ Name of Manufacturer or trading mark  
□ Compressor model number 
□ Compressor type 
 2- Fan 
□ Country of origin 
□ Name of Manufacturer or trading mark  
□ Fan Model number 
□ Fan type 
 3- Heat Exchanger  
□ Volume and description of the heat exchanger 
 
 
  
16  Part 3 TESTING AND TEST REPORT  
□ Test Laboratory Type 
o Own 'in -house' laboratory 
o Independent laboratory 
□ Test Laboratory Name  
□ Test Laboratory Address 
□ Test Laboratory Accreditation  
□ Test Standard Used  
o The standard mentioned in 2.1 
o The standard mentioned in 2.2 
o Other — (please specify)  
□ Testing / M easurement methods  
o Calorimeter room method  
o Indoor air enthalpy method 
o Outdoor air enthalpy method 
o Compressor calibration method 
o Refrigerant enthalpy method. 
□ Does this air conditioner have separate indoor and outdoor units 
□ Serial number of test units/s and date tested  
o SERIAL NUMBER Unitary unit or indoor unit if split system 
o SERIAL NUMBER Outdoor unit if split system 
o Test date  
□ Rated voltage and frequency of tested unit (Rated voltage or Rated voltage range (V), Rated 
frequency (Hz))  
o Package unit  
o Unitary unit or indoor unit if split system  
o Outdoor system unit if split system  
□ Tested voltage and frequency of tested unit (Tested voltage (V), Test frequency (Hz)) 
o Unitary unit or indoor unit if split system 
o Outdoor unit if split system 
 
 
  
17  Part 4 SPECIFIC APPLIANCE DETAILS  
□ Air-conditioner dimensions (Advisory only), for split systems note only dimensions of the 
internal unit 
o Width (mm)  
o Height (mm)  
o Depth (mm)  
□ Air-conditioner type 
o Cooling only 
o Reverse cycle  
o Heating only 
o Other (please specify)  
□ Power supply 
o Single-phase 
o Three- phase  
□ Rated Voltage (V)  
□ Rated Frequency (Hz)  
□ Refrigerant Type 
o R410A 
o R22 
o R32 
o Other (please specify)  
□ A/C Configuration 1—Air Distribution  
o Ducted  
o Non ducted 
□ A/C Configuration 2—Type 
o Window/Wall,  
o Spot cooler, 
o Portable cooler,  
o Single split system 
o Double/triple split system,  
o Multiple split system,  
o Packaged  
□ Does this air -conditioner use a variable speed drive?  
□ Is this air -conditioner designed to restrict the controls for varying the cooling temperatures to 
minimum temperature of 20 °C.  
 
  
18  Part 5 TEST RESULTS  
 
 
 
TEST RESULTS —COOLING—CONDITION T1  
 
 
COOLING POWER  Rated Effective Power 
Input (kW)*  
Tested Cooling Power 
Input (kW)**   
COOLING CAPACITY  Rated Total Cooling 
Capacity (Btu /h)*  
Tested Total Cooling 
Capacity  (Btu/h)**  
EER (Btu/h)/W  Rated EER **   
Tested EER **   
The star rating according to clause 8 of this regulation.   
 
* To 2 decimal  places  
**   To 3 decimal  places  
 
  
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TEST RESULTS —COOLING—CONDITION T3  
COOLING POWER  Rated Effective Power 
Input (kW)*  
Tested Cooling Power 
Input (kW)**   
COOLING CAPACITY  Rated Total Cooling 
Capacity (Btu /h)*  
Tested Total Cooling 
Capacity  (Btu/h)**  
EER (Btu/h)/W  Rated EER **   
Tested EER **   
The class rating according to clause 8 of this regulation.   
* To 2 decimal  places  
** To 3 decimal places 
 
  
20   
 
TEST RESULTS - HEATING  
Does this model incorporate electric resistance heating?   Yes 
 No 
HEATING POWER  Rated Effective Power 
Input (kW)*  
Tested Heating Power  
Input (kW)**   
HEATING CAPACITY  Rated Total Heating  
Capacity  (kW)*   
Tested Heating Capacity  
(kW)**   
COP ( W/W) Rated COP **   
Tested COP **  
* To 2 decimal places  
** To 3 decimal places