The Energy Information (Household Refrigerators and Freezers) Regulations 2004

Regulations 7(2), 8(2)(d) and 12(b)

SCHEDULE 5 ENERGY EFFICIENCY CLASS

PART 1 Definitions of Classes A+ and A++

1.—(1) An appliance shall be classified as A+ or A++ where the energy efficiency index alpha (I) is within the ranges specified in Table 1.

Table 1

Energy efficiency index α(Iα)	“Energy efficiency class”
30 > Iα	A++
42 > Iα ≥ 30	A+
Iα ≥ 42	A to G (see below)

(2) The energy efficiency index alpha shall be calculated using the formula:

where—

“AC” means the annual energy consumption of the appliance (in accordance with the harmonised standards); and

“SC_α” means the standard annual energy consumption α of the appliance.

“SC_α” is calculated as:

where—

“Vc” means the net volume (in litres) of the compartment (in accordance with the harmonised standards);

“Tc” is the design temperature (in °C) of the compartment;

the values of M and N are given in Table 2; and

the values of FF, CC, BI and CH are given in Table 3.

Table 2

Type of appliance	Temperature of coldest compartment	Mα	Nα
(1) For these appliances, the temperature and star rating of the compartment with the lowest temperature will determine the values of M and N. Appliances with –18°C *(***) compartments shall be considered as fridge-freezers *(***).
1. Larder Fridge	>-6°C	0.233	245
2. Refrigerator/chillers	>-6°C	0.233	245
3. Refrigerator no star	>-6°C	0.233	245
4. Refrigerator*	≤-6°C *	0.643	191
5. Refrigerator**	≤-12°C **	0.450	245
6. Refrigerator***/	≤-18°C ***/*(***)	0.777	303
7. Fridge/freezer *(***)	≤-18°C ***/*(***)	0.777	303
8. Upright freezer	≤-18°C *(***)	0.539	315
9. Chest freezer	≤-18°C *(***)	0.472	286
10. Multi-door or other appliance		(1)	(1)

Table 3

Correction factor	Value	Conditions
(1) An appliance is “built-in” only if it is designed exclusively for installation within a kitchen cavity with a need of furniture finishings, and tested as such.
FF (frost free)	1.2 1	For “frost free” (ventilated) frozen food compartments; Otherwise
CC (climate class)	1.2 1.1 1	For “tropical” appliances; For “subtropical” appliances; Otherwise
BI (built-in)	1.2 1	For built-in appliances (1) of under 58cm in width; Otherwise
CH (chill compartment)	50 Kwh/y 0	For appliances with a chill compartment of at least 15 litres; Otherwise

(3) If an appliance is not A+ or A++, it shall be classified in accordance with Part 2.

PART 2 Definition of Classes A to G

2.  The energy efficiency class of an appliance shall be determined in accordance with Table 4.

Table 4

Energy efficiency index: I	Energy efficiency class
I < 55	A
55 ≤ I < 75	B
75 ≤ I < 90	C
90 ≤ I < 100	D
100 ≤ I < 110	E
110 ≤ I < 125	F
125 ≤ I	G

where—

• “energy efficiency index” (expressed as a percentage) = annual energy consumption of appliance in accordance with the harmonised standards / standard annual energy consumption of appliance;

• “standard annual energy consumption of appliance” (expressed in kWh/year) = M × adjusted net volume + N;

• “adjusted net volume” (expressed in litres) = net volume of fresh food compartment + Ω × net volume of frozen food compartment; andthe values of M, N and Ω are taken from Table 5.

  Table 5

  Category of Appliance	Ω	M	N
  (1) For refrigerator/chiller the adjusted volume = net volume of fresh food compartment + Ω × net volume of chiller (10°C) compartment (expressed in litres).
  (2) For ‘no frost’ appliances as defined in the harmonised standards, this index is increased by a provisional factor of 1.2 giving a value of 2.58 (this allows for the possible bias of the measurement method, which does not allow for the lack of ice build-up on “no frost” appliances. In practice, ice build-up will somewhat increase the consumption of “conventional” appliances).
  (3) Adjusted net volume (AV) shall be calculated by the formula: where— “Tc” is design temperature (in °C) of each compartment; “Vc” is the net volume (in litres) of each compartment; and “Fc” is a factor which equals 1.2 for “no frost” compartments and 1 for other compartments.
  (4) For these appliances, the values of M and N shall be determined by the temperature and star rating of the compartment with the lowest temperature, in accordance with Table 6.
  1. Larder fridge	—	0.233	245
  2. Refrigerator/chiller	0.75(1)	0.233	245
  3. Refrigerator no star	1.25	0.233	245
  4. Refrigerator*	1.55	0.643	191
  5. Refrigerator**	1.85	0.450	245
  6. Refrigerator***	2.15	0.657	235
  7. Fridge/freezer*(***)		0.777	303
  8. Upright freezer	2.15(2)	0.472	286
  9. Chest freezer	2.15(2)	0.446	181
  10. Multi-door or other appliances

  Table 6

  Temperature of coldest compartment	Equivalent category	M	N
  >-6c	1 Larder fridge 2 Refrigerator/chiller 3 No-star refrigerator	0.233	245
  ≤ -6°C *	4 Refrigerator (*)	0.643	191
  ≤ -12°C **	5 Refrigerator (**)	0.450	245
  ≤-18°C ***	6 Refrigerator (***)	0.657	235
  ≤-18°C *(***)with freezing capacity	7 Fridge/freezer *(***)	0.777	303