The Azimuth Project
Most carbon effective

1 Industry Renewable Heat : 205.99

2 Transport Biofuels : 189.57

3 Domestic Reduce household heating by 1ºC : 179.12

4 Domestic Solid wall insulation : 169.63

5 Transport Full Hybrid : 155.64

6 Transport Micro Hybrid : 146.77

7 Commercial Heating – most energy efficient boiler : 139.21

8 Commercial Heating – Programmable Thermostats High : 131.44

9 Commercial Biomass boilers with RHI : 114.04

10 Transport Plug-in Hybrid : 105.65

11 Commercial Air Source Heat Pump with RHI : 94.65

12 Commercial Ground Source Heat Pump with RHI : 93.83

13 Industry Others : 92.98

14 Industry High Temperature Heating : 87.21

15 Industry Process Improvement : 85.39

16 Commercial Heating – Reducing Room Temperature : 80.38

17 Industry Drying & Separation : 78.32

18 Transport Electric : 74.70

19 Industry Motors & Drives : 66.08

20 Transport Transport : 65.45

21 Domestic Pre76 cavity wall insulation : 61.19

22 Industry Controls : 58.06

23 Domestic Electronic products : 55.79

24 Domestic Ground Source Heat Pumps with RHI : 54.90

25 Industry Heat Recovery : 50.75

26 Domestic Air Source Heat Pump with RHI : 49.19

27 Commercial Most energy efficient double glazing : 47.21

28 Commercial Heating – Optimising Start Times : 45.14

29 Industry Operation & Maintenance : 44.46

30 Industry Energy Management : 38.39

31 Domestic Information and Communication Technology products : 36.59

32 Industry Low Temperature Heating : 36.26

33 Domestic Efficient lighting : 35.13

34 Commercial Lights – Basic Timer : 32.14

35 Domestic Solar water heating with RHI : 28.65

36 Commercial Heating – More efficient air conditioning : 28.55

37 Commercial Heating – Thermostatic Radiator Valves Fully Installed : 24.93

38 Industry Space Heating : 21.36

39 Commercial Lights- Most energy efficient Replacement 26mm : 20.80

40 Commercial Lights – Turn off Lights for an extra hour : 17.48

41 Domestic Glazing – single to new : 15.33

42 Commercial Monitors – Energy Management : 15.00

43 Commercial Most energy efficient external wall insulation : 14.71

44 Commercial Most energy efficient flat roof insulation : 14.51

45 Commercial Lights – High frequency ballast : 13.87

46 Industry Fabrication & Machining : 13.13

47 Domestic DIY floor insulation (susp. timber floors) : 13.09

48 Commercial Solar water heating with RHI : 12.60

49 Domestic A+ rated wet appliances : 11.22

50 Domestic Loft insulation 100–270mm : 11.19

51 Commercial Most energy efficient cavity wall insulation : 10.55

52 Domestic Loft insulation 0–270mm : 10.49

53 Industry Ventilation : 10.29

54 Industry Refrigeration & Aircon : 9.97

55 Domestic Loft insulation 75–270mm : 9.86

56 Domestic Uninsulated cylinder to high performance : 9.81

57 Commercial Most energy efficient pitched roof insulation : 9.63

58 Domestic Mini wind turbines (5kW) with FIT : 9.43

59 Commercial Presence Detector : 9.36

60 Domestic Photovoltaic generation with FIT : 9.06

61 Domestic Improve airtightness : 8.80

62 Industry Building Energy Management : 8.59

63 Domestic Glazing (to Best Practice) : 8.29

64 Transport Smarter Choices : 7.75

65 Domestic Reduce heating for washing machines : 7.64

66 Domestic Glazing – old double to new double : 7.35

67 Domestic Biomass boilers with RHI : 7.13

68 Domestic Reduced standby consumption : 6.86

69 Commercial Computers – Energy Management : 6.40

70 Commercial Variable Speed Drives : 5.96

71 Commercial Stairwell Timer : 5.94

72 Domestic Loft insulation 50–270mm : 5.85

73 Domestic Modestly insulated cyl to high performance : 5.67

74 Commercial Lights- Most energy efficient Replacement Tungsten : 4.93

75 Industry Insulation : 4.74

76 Industry Compressed air : 4.65

77 Commercial Office Equipment – Most energy efficient monitor pc only : 4.56

78 Commercial Lights – IRC Tungsten-Halogen – Spots : 4.06

79 Industry Design : 4.04

80 Commercial Most energy efficient freezer : 3.89

81 Domestic 76–83 cavity wall insulation : 3.85

82 Commercial Cycling : 3.67

83 Commercial Room thermostat to control heating : 3.54

84 Commercial Lights – Sunrise-Sunset Timers : 3.41

85 Commercial Lights – Light Detectors : 3.39

86 Commercial Most energy efficient double glazing (replace double) : 2.98

87 Commercial Compressed air : 2.38

88 Domestic Post ‘83 cavity wall insulation : 2.11

89 Domestic Turn unnecessary lighting off : 1.97

90 Domestic Thermostatic radiator valves : 1.86

91 Industry New Food & Drink Plant : 1.81

92 Commercial Printers – Energy Management : 1.67

93 Industry Lighting : 1.65

94 Commercial Lights – Metal Halide Floods : 1.64

95 Domestic Loft insulation 25–270mm : 1.48

96 Domestic Insulate primary pipework : 1.46

97 Commercial Most energy efficient fridge : 1.27

98 Domestic Paper type solid wall insulation : 1.11

99 Industry Burners : 1.05

100 Commercial Photocopiers – Energy Management : 0.93

101 Domestic Micro wind turbines (1kW) with FIT : 0.79

102 Transport Park and Ride (Rail) : 0.74

103 Domestic Integrated digital TVs : 0.74

104 Industry Information Technology : 0.72

105 Transport Rail Electrification : 0.69

106 Domestic A++ rated cold appliances : 0.68

107 Transport New railway Stations : 0.59

108 Commercial Vending Machines Energy management : 0.35

109 Commercial Motor – 4 Pole Motor – EFF1 replace 4 Pole : 0.30

110 Domestic Hot water cylinder ‘stat : 0.27

111 Transport Bus Priority and Quality Enhancements : 0.23

112 Transport Park and Ride (Bus) : 0.17

113 Transport Express Bus/Coach Network : 0.16

114 Commercial Most energy efficient fridge-freezer : 0.12

115 Commercial Office Equipment – Most energy efficient Monitor : 0.06

116 Transport Park and Ride (Bus + Dedicated service) : 0.03

117 Domestic A-rated ovens : 0.00

118 Domestic A-rated condensing boiler : 0.00

119 Domestic Induction hobs : 0.00

120 Domestic Insulated doors : 0.00

121 Domestic Installed floor insulation (susp.Timber Frames) : 0.00

122 Domestic Loft insulation 125–270mm : 0.00

123 Domestic Loft insulation 150–270mm : 0.00