Understanding the 40/60 rule when choosing between LEED rating systems

Published on: 
1 Aug 2014

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Wondering what to do when choosing a rating system isn’t as simple as black and white?

LEED v4 addresses 21 different types of buildings and spaces, but how do you know which one to choose when you’ve got a mixed use space?

Enter the 40/60 rule. This model provides guidance for making a decision when several rating systems appear to be appropriate for a project. 

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