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Determining a roof system's energy efficiency and cost

Abstract
How much insulation is needed and how much will the insulation save me in reduced energy costs? Finding the answers to thee questions and concisely and accurately presenting them to a building owner has always been difficult. However, several recent development, which are discussed in this article, have simplified the process.
Date
6/1998
Author(s)
Mark Graham
Page(s)
71
Keyword(s)
energy efficiency; cost; heating; cooling; ASHRAE 90.1-1989



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