John Krigger

John Krigger is the coauthor of The Homeowners Handbook to Energy Efficiency and a teacher at the Web-based training institute Saturn Online.

Articles By Author
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Superinsulating My Old House

Author: John Krigger
free CONTENT
January 03, 2009

Aging office worker tackles challenging superinsulated retrofit and lives to tell about it. [continue reading]

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Superinsulating My Old House, Phase 2

Author: John Krigger
premium CONTENT
November 02, 2009

Phase 1 was an R-35 face-lift of the west façade. Phase 2 looks to the north and east. [continue reading]

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Unusual Wood-Burning Insert Installation

Author: John Krigger
premium CONTENT
November 07, 2010

Energy expert continues to learn from a deep energy retrofit of his Montana Home. This time he's installing a wood-burning stove to save money, add ambiance, and provide security during emergencies - like when runaway trains knock out a town's power. [continue reading]

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Sealing Up Your Home's Leaks

free CONTENT
June 16, 2001

Your house's walls and windows-what building professionals call the building envelope or shell-are supposed to prevent air from moving through them. [continue reading]

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Blogs By Author
Insulating Closed Roof Cavities

Insulating Closed Roof Cavities

John Krigger

Many homes with cathedral ceilings or flat roofs have little or no insulation. The IRC 2009 building code requires a ventilated space of at least one inch above the roof insulation. Building scientists sometimes ask how useful the ventilation is and how much ventilation could actually flow in the one-inch space. [continue reading]

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