Energy Efficiency Rating    Environmental Impact (CO2) Rating
  Current Potential
Very energy efficient - lower running costs 
 (92-100) A
 (81-91)   B
 (69-80)   C
 (55-68)   D
 (39-54)   E
 (21-38)   F
 (1-20)   G
Not energy efficient - higher running costs 
Arrow 76
Arrow 79
England, Wales & Scotland EU Directive 
2002/91/EC
  Current Potential
Very environmentally friendly - lower CO2 emissions
 (92-100) A
 (81-91)   B
 (69-80)   C
 (55-68)   D
 (39-54)   E
 (21-38)   F
 (1-20)   G
Not environmentally friendly - higher CO2 emissions
Arrow 79
Arrow 83
England, Wales & Scotland EU Directive 
2002/91/EC
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