Commission Delegated Regulation (EU) No 811/2013Show full title

ANNEX II Energy efficiency classes

1. SEASONAL SPACE HEATING ENERGY EFFICIENCY CLASSES

The seasonal space heating energy efficiency class of a heater, with the exception of low-temperature heat pumps and heat pump space heaters for low-temperature application, shall be determined on the basis of its seasonal space heating energy efficiency as set out in Table 1.

The seasonal space heating energy efficiency classes of a low-temperature heat pump and a heat pump space heater for low-temperature application shall be determined on the basis of its seasonal space heating energy efficiency as set out in Table 2.

The seasonal space heating energy efficiency of a heater shall be calculated in accordance with points 3 and 4 of Annex VII, for heat pump space heaters, heat pump combination heaters and low-temperature heat pumps under average climate conditions.

Table 1

Seasonal space heating energy efficiency classes of heaters, with the exception of low-temperature heat pumps and heat pump space heaters for low-temperature application

Seasonal space heating energy efficiency class	Seasonal space heating energy efficiency ηs in %
A+++	ηs ≥ 150
A++	125 ≤ ηs < 150
A+	98 ≤ ηs < 125
A	90 ≤ ηs < 98
B	82 ≤ ηs < 90
C	75 ≤ ηs < 82
D	36 ≤ ηs < 75
E	34 ≤ ηs < 36
F	30 ≤ ηs < 34
G	ηs < 30

Table 2

Seasonal space heating energy efficiency classes of low-temperature heat pumps and heat pump space heaters for low-temperature application

Seasonal space heating energy efficiency class	Seasonal space heating energy efficiency ηs in %
A+++	ηs ≥ 175
A++	150 ≤ ηs < 175
A+	123 ≤ ηs < 150
A	115 ≤ ηs < 123
B	107 ≤ ηs < 115
C	100 ≤ ηs < 107
D	61 ≤ ηs < 100
E	59 ≤ ηs < 61
F	55 ≤ ηs < 59
G	ηs < 55

2. WATER HEATING ENERGY EFFICIENCY CLASSES

The water heating energy efficiency class of a combination heater shall be determined on the basis of its water heating energy efficiency as set out in Table 3.

The water heating energy efficiency of a combination heater shall be calculated in accordance with point 5 of Annex VII.

Table 3

Water heating energy efficiency classes of combination heaters, categorised by declared load profiles, η_wh in %

	3XS	XXS	XS	S	M	L	XL	XXL
A+++	ηwh ≥ 62	ηwh ≥ 62	ηwh ≥ 69	ηwh ≥ 90	ηwh ≥ 163	ηwh ≥ 188	ηwh ≥ 200	ηwh ≥ 213
A++	53 ≤ ηwh < 62	53 ≤ ηwh < 62	61 ≤ ηwh < 69	72 ≤ ηwh < 90	130 ≤ ηwh < 163	150 ≤ ηwh < 188	160 ≤ ηwh < 200	170 ≤ ηwh < 213
A+	44 ≤ ηwh < 53	44 ≤ ηwh < 53	53 ≤ ηwh < 61	55 ≤ ηwh < 72	100 ≤ ηwh < 130	115 ≤ ηwh < 150	123 ≤ ηwh < 160	131 ≤ ηwh < 170
A	35 ≤ ηwh < 44	35 ≤ ηwh < 44	38 ≤ ηwh < 53	38 ≤ ηwh < 55	65 ≤ ηwh < 100	75 ≤ ηwh < 115	80 ≤ ηwh < 123	85 ≤ ηwh < 131
B	32 ≤ ηwh < 35	32 ≤ ηwh < 35	35 ≤ ηwh < 38	35 ≤ ηwh < 38	39 ≤ ηwh < 65	50 ≤ ηwh < 75	55 ≤ ηwh < 80	60 ≤ ηwh < 85
C	29 ≤ ηwh < 32	29 ≤ ηwh < 32	32 ≤ ηwh < 35	32 ≤ ηwh < 35	36 ≤ ηwh < 39	37 ≤ ηwh < 50	38 ≤ ηwh < 55	40 ≤ ηwh < 60
D	26 ≤ ηwh < 29	26 ≤ ηwh < 29	29 ≤ ηwh < 32	29 ≤ ηwh < 32	33 ≤ ηwh < 36	34 ≤ ηwh < 37	35 ≤ ηwh < 38	36 ≤ ηwh < 40
E	22 ≤ ηwh < 26	23 ≤ ηwh < 26	26 ≤ ηwh < 29	26 ≤ ηwh < 29	30 ≤ ηwh < 33	30 ≤ ηwh < 34	30 ≤ ηwh < 35	32 ≤ ηwh < 36
F	19 ≤ ηwh < 22	20 ≤ ηwh < 23	23 ≤ ηwh < 26	23 ≤ ηwh < 26	27 ≤ ηwh < 30	27 ≤ ηwh < 30	27 ≤ ηwh < 30	28 ≤ ηwh < 32
G	ηwh < 19	ηwh < 20	ηwh < 23	ηwh < 23	ηwh < 27	ηwh < 27	ηwh < 27	ηwh < 28

3. ENERGY EFFICIENCY CLASSES OF SOLAR HOT WATER STORAGE TANKS, IF (PART OF) A SOLAR DEVICE

The energy efficiency class of a solar hot water storage tank, if (part of) a solar device, shall be determined on the basis of its standing loss as set out in Table 4.

Table 4

Energy efficiency classes of solar hot water storage tanks, if (part of) a solar device

Energy efficiency class	Standing loss S in Watts, with storage volume V in litres
A+
A
B
C
D
E
F
G