Building Airtight Homes
February  2002   Similar Articles
By Steve Lentz   (8  Pages)
An experienced builder of energy-efficient homes explains the framing and air-sealing details necessary to build a tight, well-ventilated home.

First 100 Words:
Since 1984, I have been building energy-efficient homes with special attention to air sealing. Most conventional new homes, when tested with a blower door, show a natural infiltration rate of 4 to 8 air changes per hour; my homes are rated at 0.48 to 1.0 air changes per hour (ACH50). My package of energy-saving details costs my customers only about $1.25 per square foot, and they often make back the extra cost with just three to five years of energy savings. Since satisfied customers tell their friends about their low energy bills, my homes have been in steady demand. Building

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