Implementation Strategies

General Guidelines

A few basic guidelines apply to all approaches to building with ducts inside:

Size equipment capacity to match the envelope requirements.
Identify the location of the thermal boundary.
Carefully assess how the home’s air barrier will be installed and how continuity will be maintained. Which trade will do the work? What materials will be used? Schedule the trades accordingly.
Place the furnace or air handler in a central location.
Keep duct runs short and straight.
Minimize equipment and air noise.
Locate supply registers on interior walls when possible. Carefully select supply grilles for proper air throw and mixing using ACCA Manual T.

Resource Guides for Six Approaches to Building with Ducts Inside (PDFs for all six approaches):

PDFs of CAD Drawings

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