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Best Practice Guide |
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Glossary |
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Best Practice Guide GlossaryBrowse the glossary alphabetically: R-VALUE Return to list of termsA unit of thermal resistance used for comparing insulating values of different material. It is basically a measure of the effectiveness of insulation in stopping heat flow. The higher the R-value number, a material, the greater its insulating properties and the slower the heat flow through it. The specific value needed to insulate a home depends on climate, type of heating system and other factors. Source: California Energy Commission |