The Inefficiencies of the Latest Energy Code
The Pro Builder
JUNE 3, 2023
per month in Climate Zone 2 (see map below) and $0.92 per month in Climate Zone 3 for a standard 2,500 square-foot single-family house, yet it costs roughly $1,366 to achieve that level of insulation. The analysis indicated average energy savings of $0.67 Another example is continuous wall insulation.
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