Carbon stars#
The carbon stars are also on a scale from 1 to 5. 1 saves the least carbon (but still some!) and 5 saves the most. Because our buildings vary so much in construction and how they are used, these are even rougher than the costs.
The carbon stars are also on a scale from 1 to 5. 1 saves the least carbon (but still some!) and 5 saves the most. Because our buildings vary so much in construction and how they are used, these are even rougher than the costs.