Posts Tagged ‘phone company’
What is the insulation R value of a 1-inch thick telephone book?
April 13th, 2010 | 
Author: They seem like they would make good insulation, and the phone company is giving them away. Do phonebooks make good insulation, and how do they compare to other forms of insulation?
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Tags: energy savings, Insulation, Cooling
Tags: Cooling, energy savings, Insulation
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