The Energy Information (Household Air Conditioners) (No. 2) Regulations 2005

1.  The energy efficiency class of a regulated appliance shall be determined in accordance with the following tables. The energy efficiency ratio (EER) shall be determined in accordance with the test procedures of the harmonised standard at conditions T1 ‘moderate’.

Table 1 Air-cooled air conditioners

Table 1.1

Energy Efficiency class	Split and multi-split appliances
A	3.20<EER
B	3.20≥EER>3.00
C	3.00≥EER>2.80
D	2.80≥EER>2.60
E	2.60≥EER>2.40
F	2.40≥EER>2.20
G	2.20≥EER

Table 1.2

Energy Efficiency class	Packaged(1)
(1) Packaged ‘double ducts’ units (known commercially as `double ducts') defined as `Air conditioner completely positioned inside the conditioned space, with the condenser air intake and air discharge connected to the outside by means of two ducts', will be classified according to Table 1.2 with a correction factor of –0.4.
A	3.00<EER
B	3.00≥EER>2.80
C	2.80≥EER>2.60
D	2.60≥EER>2.40
E	2.40≥EER>2.20
F	2.20≥EER>2.00
G	2.00≥EER

Table 1.3

Energy Efficiency class	Single-duct
A	2.60<EER
B	2.60≥EER>2.40
C	2.40≥EER>2.20
D	2.20≥EER>2.00
E	2.00≥EER>1.80
F	1.80≥EER>1.60
G	1.60≥EER

Table 2—Water-cooled air conditioners

Table 2.1

Energy Efficiency class	Split and multi-split appliances
A	3.60<EER
B	3.60≥EER>3.30
C	3.30≥EER>3.10
D	3.10≥EER>2.80
E	2.80≥EER>2.50
F	2.50≥EER>2.20
G	2.20≥EER

Table 2.2

Energy Efficiency class	Packaged
A	4.40<EER
B	4.40≥EER>4.10
C	4.10≥EER>3.80
D	3.80≥EER>3.50
E	3.50≥EER>3.20
F	3.20≥EER>2.90
G	2.90≥EER