Humidity Control: Supplemental Dehumidification in Hot-Humid Climates (TechNote)
This TechNote provides an overview of strategies for improving humidity control in hot-humid climates (applicable as well in other humid climates). The focus is on supplemental dehumidification methods using commercially available equipment. It includes a summary table of enhanced/supplemental dehumidification strategies, code considerations, design considerations, and recommendations.
TechNotes: Best Practices for Home Builders
In recent years, building codes for energy efficiency and related standards have been amended to require greater amounts of insulation in exterior wall and roof assemblies, including continuous insulation on exterior walls, higher levels of building air tightness, and mechanical ventilation.
NAHB’s Construction Technology Research Subcommittee worked with Home Innovation Research Lab to develop these TechNotes to help builders navigate these new code requirements and implement best practices to avoid building performance issues related to interior humidity levels, condensation in wall and roof assemblies, and interior air quality.
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