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FAQ
the
bulb calculator
Quantity of 35W Halogen bulbs we use:
Halogen bulbs
Number of Hours on per day:
hours
Current cost of electricity (check yr bill!):
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
p / kWh (unit)
Annual cost of running current bulbs:
£
Annual carbon tonnes from current bulbs:
carbon tonnes/year
Equivalent GREENLED bulb: ANTARES 4 Watts (draws only 3.7 Watts)
Annual cost of equivalent Greenled bulbs:
£
Annual carbon tonnes from equivalent Greenled bulbs:
carbon tonnes/year
ANNUAL SAVINGS:
£
ANNUAL CARBON TONNES SAVINGS:/td>
carbon tonnes/year
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