Conditioned Crawlspaces

A conditioned crawlspace is a crawlspace constructed and insulated so that it is part of the conditioned space of the house. Conditioned crawlspaces remain less common than vented crawlspaces despite performing better in terms of safety, health, comfort, durability and energy consumption.

The following documents examine the benefits of conditioned crawlspaces, how and why they work, and how to understand and interpret relevant sections of the building code. Related documents, such as those discussing basement insulation more generally, are also included in this section.

1-10 of 10 Items
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BA-0202: Basement Insulation Systems

By Building Science Corporation
Download.pdf  1010.7 KB

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BA-0309: Renovating Your Basement

By Building Science Corporation
Download.pdf  920.2 KB

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BA-0401: Conditioned Crawlspace Construction, Performance and Codes

By Joseph Lstiburek
Download.pdf  2.1 MB

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BA-1003: Building America Special Research Project—High-R Foundations Case Study Analysis

By Jonathan Smegal/John Straube
Download.pdf  4.0 MB

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BA-1015: Bulk Water Control Methods for Foundations

By Kohta Ueno and Joseph Lstiburek
Download.pdf  3.4 MB

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BA-1108: Hybrid Foundation Insulation Retrofits: Measure Guidelines

By Kohta Ueno and Joseph Lstiburek
Download.pdf  4.5 MB

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BA-1303: Transformations, Inc.: Partnering to Build Net-Zero Energy Houses in Massachusetts

By Ueno/Wytrykowska/Bergey
Download.pdf  6.0 MB

1-10 of 10 Items