| http://www.w3.org/ns/prov#value | - The premium usually correlated with the input of highly efficient HVAC and water systems, and the use of renewable energy sources like solar panels and wind turbines.???Essentially, what the study did find is that there is a premium associated with pursuing a Platinum rating,??? Gutter says. ???it is the integration of those types of systems that contribute to a slight increase in the bottom line.
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