| Published by the Air Conditioning Contractors of America (ACCA)
Install it right! Perimeter heating and cooling produce the highest degree of comfort in a single duct system, but you must install ducts correctly to avoid excessive moisture or heat loss. Manual 4 combines the practical recommendations of ACCA contractors experienced in installing ducts in or below a ground slab and in crawl spaces, including 50 illustrated techniques.
- Basics of site preparation, materials, insulation, and moisture control
- Performance characteristics and types of perimeter air distribution systems
- Duct materials and material performance
- Vapor barriers
- Concrete slab and crawl space construction details
- Below grade, crawl space, and basement duct system installation details
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